Basecoat can also be applied to any surface textured or uneven surface which smoothing or extra durability. There is no need for backerboard. Volg de stappen in dit artikel om een douche helemaal zelf te betegelen. What began as a simple tile installation company has since grown to an international firm with over 40 product lines and a reputation unmatched in the industry. Caulk over any areas that you drilled, around the area where the studs and pan meet, and the joints where the floor and base join. I was willing to give the benefit of the doubt as to the proper waterproofing being done over the greenboard, but those hack details seal the deal. In addition to the tray itself, you'll need to. It provides exceptional bond and low absorption in adhered systems, and offers sustainable design for all types of roofing systems including single-ply, fluid-applied, built-up, spray. I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task!. The product is essentially a more durable gypsum board. Compare our Schluter ratings. Cement board is best used water could be present. I've been remodeling my bathroom and I'm finally getting to the custom shower. It just seems and feels stronger. Also make sure a waterproofing membrane is installed underneath your tile over the cementboard to ensure water doesn't penetrate your subfloor or studs (kerdi makes some good products for this) 2) Make sure mold resistant studs, drywall (the blue kind), caulking, and grout is used to finish off the entire bathroom. Thanks in advance!. I have left over from my project a new. It is very quick to install and the printed grid pattern makes it easy for a precise and square install. It is somewhat more expensive, but be aware that it is not waterproof, so don't use it if it's going to be in contact with water. There is no need for backerboard. The terms thinset cement, thinset mortar, dryset mortar, and drybond mortar are synonymous. The idea is that the cement board will remain stable, even if it gets wet. Previous Step Next Step. Tailored service from wedi. Just frame the walls true and use regular gyp board, profile the floor to the proper slope, cover everything with the membrane, and tile your heart out. he uses greenboard and redguard on everything. just wanna show you something real quick. Greenboard is a type of drywall that builders install in homes and other structures, over the beams in the walls. People would be making a big mistake to use it now. #N#PermaBase® Cement Board. This premium quality, no odor product is ideal for residential, commercial and industrial environments. See more ideas about Tiles, Tile edge and Carpet to tile transition. The schluter backer is nice, but also very pricey. 120 sq feet including the floor. This also goes for moisture resistant drywall also known as green board. Wooden subfloors in older houses need to be strengthened and stabilized before backer board and tile are installed. ) • A food source (paper, wallboard, cloth) • Warm temperatures. I shim and level framing, install 1/2 inch Hardibacker on walls, float with thinset to fine tune any out of plumb corners. Tapered edges allow joints to be reinforced with. To do this, roll on a layer of sealing primer and leave it to dry for 24 hours. Tile backers: cement board, green board, other products: This article discusses the types and installation details for backer boards used below ceramic tiles for countertops and splashboards, including cement backerboard, drywall, greenboard, and glass-mat gypsum backerboards. S41 E14: Out of the Ashes. How to prep a shower for tile with Schluter Kerdi. 21 After Mail-In Rebate. If you use Kerdi over drywall you need to make sure that there is no drywall compound or paint of any kind. Or if new construction an approved VB is installed. An acrylic shower pan is an easier installation than a tile pan. How To: Cut Cement Board The strength and durability of cement board make it a great choice for home improvement projects—but they also make it a little more difficult to manipulate. When exposed to moisture, which any wallboard will be in a bathroom, gypsum board swells. Guide to choosing and installing ceramic or stone tile backer boards for countertops, splashboards Properties & installation of Tile Backer Boards: Cement backer, Drywall, Greenboard, Glass-mat Gypsum How to install greenboard or drywall as a ceramic tile backer Questions & answers about the properties of different ceramic tile backer boards, their installation & troubleshooting. Simple Score and Snap. Here, the shower pan is poured concrete (Image 2). For the floor I make a dry mix mud base and then the Kerdi membrane. Always follow manufacturer's installation instructions to create a waterproof enclosure. To the original poster, since you could possibly damage the foam Kerdi-Tray when installing the drywall, it might be smarter to hang the drywall and then set the tray. FOR BACKSPLASH, LAUNDRY OR OTHER DAMP ENVIRONMENTS. You don’t really water proof the drywall itself. Kerdi-Board is made from an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effective anchoring in thin-set mortar. he uses greenboard and redguard on everything. 61 per square foot*. The greenboard, on the other hand, is only meant for damp environments, and would probably crumble if it got wet. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. Lightly wet the area you'll be grouting with a damp sponge and dump a bit of grout onto the area. Waterproof sheet membrane such as Schluter Kerdi is applied to the cement board with thinset adhesive. 10 and ANSI A118. provides keyword suggestions for following search greenboard in google with word variations e. What once took days can now be done in about an. Highly recommend Kerdi. ) I was favoring Hardi board over using cement board again, but as the Kerdi would be essentially sealing off the moisture load, I conceded. 71 out of 5 based on 513 reviews of 26 pros. Always follow manufacturer's installation instructions to create a waterproof enclosure. My dad prefers the hardboard method but he's pretty old school and I don't think he quite understands the waterproofing system. Will the PVA affect the painting in the bathroom (peeling, flaking etc) or will it be ok. It is very quick to install and the printed grid pattern makes it easy for a precise and square install. HYDRO BAN Board® is a lightweight easy to handle and ready to tile wall board designed to be used in bonded tile or stone installations. S41 E14: Out of the Ashes. Your nearby store only has 12 in stock. I have left over from my project a new. Hello I am looking for the best liquid waterproofing membrane over Durock cement board in a regular shower NOT a steam shower and the products my looking at are Hydro Ban, Redguard, and Durock has a fairly new product they have now USG Durock liquid membrane, the Hydro Ban is the only one that has to be used with their sheet membrane if used for steam shower application,does that make Hydro. Grout the tile. DEAR JOHN: There seems to be a significant amount of confusion about drywall, water-resistant drywall, and wallboard that is 100-percent waterproof. Even in the US greenboard with a waterproofing layer is gaining momentum. Best, John Whipple By Any Design Ltd. Get it today at your convenience. for pricing and availability. Avoid tile and grout cracks in the finished floor with proper preparation and lots and lots of screws. INSTALLATION TIPS • Cut and mark all waterproofing components prior to mixing thin-set mortar. 5-in x 32-in x 48-in Kerdi-Board Polystyrene Foam Backer Board. Green board should not be used in a shower. Kerdi-Board-SN 12 in. The reason why I went with greenboard on the lower half of non-direct water exposure walls is because of the *possibility* of a small spill leaving a puddle that doesn't get cleaned up right away. In addition, Mold/Moisture-Resistant Gypsum Panels offer a number of other benefits related to the appearance, operation and construction of multi. The green color merely is the industry standard for signifying that the. This sturdy material is very lightweight and cuts easily with a utility knife (no need for any power tools!). 120 sq feet including the floor. If you're using cement board as the tiling surface, the greenboard serves absolutely no purpose and you risk creating other problems by trying to protect it. Repeat after me: Green board is not waterproof, Kerdi is. Dec 20, 2014 - Explore floortrendz's board "Schluter" on Pinterest. My relief came in the form of Kerdi waterproof membrane. Featured Product STRATA_HEAT Wire STRATA_HEAT Wire is a versatile floor warming wire system designed for use under many types of finished floor coverings to provide luxury and comfort. A cement board is a combination of cement and reinforcing fibers formed into 3 by 5 feet (91 by 152 cm) sheets, 1. It consists of styrofoam encased in mesh and cement. Yes, Kerdi is designed to go over drywall/greenboard, just make sure to follow their instructions to the letter. Depending on the severity of black mold problems, you may go for a stronger chemical if needed. The traditional method has been to apply a material, such as a 15-lb or #15 felt paper, some building codes require a minimum Grade B building paper to qualify as a water resistant barrier, or a plastic sheeting with a minimum 4-mil thickness, behind the tile substrate to act as your water resistant barrier. " Not quite watery, but almost. There is the backing which is either cement board, Dunshield, or another material. I covered each of the screws with a small patch of kerdiband. Another alternative is to trowel thin-set mortar or plaster over the tiles when setting them. You can tile over greenboard sheetrock whether it is in the shower or any other location. The orange fleece (Schulter Kerdi ? ), but its a special order. I was a little apprehensive the first time I did one, but was pleasantly surprised at how easy it was. thick x 2 in. This is the case so much of the time that when people […]. Here are a few tips on installing Kerdi. This premium quality, no odor product is ideal for residential, commercial and industrial environments. Advertisement. I would really hate to do all this tiling and have it come off later. It is made with a high-density, waterproof extruded polystyrene core and a reinforced, waterproof membrane on both sides to give triple protection from water and vapor intrusion. FOR SALE - Hudson Valley, NY - Selling what you see in the pictures. Lightly wet the area you'll be grouting with a damp sponge and dump a bit of grout onto the area. Find out which Schluter models made the grade before checking out. Another advantage of tub surrounds over ceramic tile and other wall options. After that, it's just getting the tile on. greenboard and paper-faced, mold-resistant gypsum boards are not approved by 2012 IRC and IBC for use in wet areas. Portland cement-based unmodified thin-set mortars are dependent on the presence of moisture for hydration in order to gain strength. Just wondering what everyones opinion on waterproofing tiled shower walls (w/ acrylic pan) was. Click to add item DUROCK® 1/2 x 3' x 5' Cement Board to your list. Otherwise, greenboard goes on 16 in. No need to decide where the cement board ends and the drywall begins. Click to add item "DUROCK® 1/2 x 3' x 5' Cement Board" to the compare list. Schluter recommends "Un-modified thinset mortar" but when I asked a couple of tile contractors, they looked at me like I was crazy!. Schluter has provided innovative stone and ceramic tile installation solutions for over 40 years. A little of that drawn through the grout shouldn't be too harmful to greenboard. As a contractor, I have been using Kerdi since it came out. Learn how to install subway tile with a decorative border in a bathroom shower. I tiled the cieling by flat troweling unmodifed mortar to the membrane then raking out mortar as instructed. Kerdi-Board-SN 12 in. Also, the only time you should be using drywall in the shower, green board or otherwise is if you are using a waterproofing membrane over the drywall, preferably Kerdi. You can pause, skip, or cancel at any time with free returns. 01-29-2008, 04:57 PM #2: AtlanticWBConst. In the photo, I ended up covering the kerdi band with aqua defense just because I had some aquadefense left over. For the floor I make a dry mix mud base and then the Kerdi membrane. No need to decide where the cement board ends and the drywall begins. Click to add item DUROCK® 1/2 x 3' x 5' Cement Board to your list. I have left over from my project a new. Schluter Kerdi is another waterproofing membrane that is pretty easy to apply - and actually that one can be installed right over drywall. Basically, it says that the junction between the wall and the floor must be waterproof treated up to at least one feet up the floor (using various methods). Don't use greenboard under Kerdi (the Kerdi doesn't stick well to greenboard). My relief came in the form of Kerdi waterproof membrane. The customer had not used the shower for 5 years due to substantial leaking when it was being used. Kerdi200/5M covers 54 sq. Twenty years ago we generally had a range of tile sizes from 1 ft x 1 ft down to tiny mosaic tiles. Greenboard is a type of drywall that builders install in homes and other structures, over the beams in the walls. But with documentation certificates from Schluter the inspector says we can, but it's on a case-by-case basis. Or use the Kerdi over the greenboard. I tore out and while gutting the shower noticed that the tiles had no tiling substrate behind them just air and mold. More Wall Maintenance. More comfortable radiant floor heating. If you're using cement board as the tiling surface, the greenboard serves absolutely no purpose and you risk creating other problems by trying to protect it. Wall Renovation. "The fatal flaw of all revolutionaries is that they know how to tear things. geniescience Homeowner. If there is visible mold on drywall or other building materials (usually the result of a flood and/or high relative humidity levels in your home), then a professional should be called to develop a remediation plan for your house. Part Number LQWAF1-2 Item Weight Page 1 of 1 Start Over Page 1 of 1. a sheet membrane system. I was planning on using hardibacker w/Kerdi but it seems that denseshield would save me some prepwork. Grout the tile. Acceptance criteria Testing standards: Testing of fire-stop material and sealing system shall be carried out in accordance with BS 476 : Parts 20 to 24 : Other standards or technical criteria may be accepted if the fire-stop. Redgard is a similar product. Tiles are installed side-by-side using mortar based adhesives called thin set. wedi building board systems wedi building boards have a blue core made from CFC-free extruded polystyrene rigid foam. Installation over waterproof substrates, such as Cement Board®, Schluter Kerdi Board®, GP Densheild®, Johns Manville GoBoard®, Hardiebacker®, Fiberock® and equivalent products. Green board should not be used in a shower. This is totally unnecessary, as the kerdi band itself is waterproof. We use a bonded waterproof system, kerdi made by schluter. The only place it's OK to use it is when tiling in non-wet areas, over drywall, with small ceramic tile. No need to decide where the cement board ends and the drywall begins. Re: Kerdi shower system, a do it yourself project? I don't understand the issue with installing a mud bed for the offset drain. Guys this is Robert Builders. Thinset mortar is a blend of cement, very finely graded sand, and a water retention compound that allows the cement to properly hydrate. Waterproofing for tiled showers with a bathtub can be done in a couple of ways, both equally effective. You protect it with a layer of water proofing material. concrete board Yasir Khan | Posted in General Questions on July 25, 2015 11:32am Builder recommends the Kerdi shower system applied over the dry wall and that’s what the local tile people use too. The recommended thickness for a stud wall application is 1/2", 5/8", 3/4", 1", 1 1/4", 1 1/2" or 2". The next step after installing greenboard is to paint over it. Lightly wet the area you'll be grouting with a damp sponge and dump a bit of grout onto the area. CUSTOM BLDG PRODUCTS LQWAF1-2 Redgard Waterproofing, 1 gal Product information Technical Details. Kerdi Foam Base Question: bbh03: 07-06-2005 09:26 AM Subfloor under cabinets? ( 1 2) Avid: 07-06-2005 08:28 AM Half way done, Just found this awsome forum! Oh Oh. Technically, greenboard and other water-resistant drywall panels can be used in highly wet places. Tiles are installed side-by-side using mortar based adhesives called thin set. I built a 5'x5' shower and used the kerdi system. If done according to manufacturers instructions, it will seal nicely. The core isn’t waterproof, but it can withstand getting wet without. How to Use Salvaged Building Materials in New Construction. It's less work than tearing up the original flooring and laying the new stuff on a properly prepared substrate. System 4 - Kerdi polyethylene waterproofing membrane - Kerdi is a pliable sheet waterproofing membrane applied over standard gypsum board. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. Kerdi can also be installed directly over standard drywall in a shower because, when installed correctly, it creates a continuous waterproof barrier. Waterproofing shower - HELP please - we used green drywall Posted by the problem is that I don't think we can just put kerdi or cement board OVER this drywall b/c then the tiles and grout would make it way too thick and it would overlap the new tub too much. I tiled the cieling by flat troweling unmodifed mortar to the membrane then raking out mortar as instructed. Use RedGard and try to add another waterproof membrane over the greenboard paper Use a Kerdi membrane over the entire thing RedGard is definitely cheaper, but I don't know how well it does under tile. The gridlines, which are printed on the surface, are helpful for neat and quick cuts and installation. Hosted by Jeff Thorman from Ottawa Design and build, Jeff uses his near two decades. (t-bar paper has tar in the middle of the two pieces of paper to stop moisture) After that you would wire the walls. So went to Lowes to get materials for shower and I only got 3 sheets of Durock to start. Mapei UltraFlex-1 Gray Mortar Size: 50lb. Model: #90016810. Q: Why can't I lay new tile over the existing vinyl tile in my bathroom? A: Listen, I get why homeowners and contractors want to cheat and lay new tile over old flooring. Or use the Kerdi over the greenboard. Click to add item "DUROCK® 1/2 x 3' x 5' Cement Board" to the compare list. Use FX Metallic Wall for an even quicker way to coat over your pre-existing shower walls making them seamless and water. I could barely get them in the Van. You can pause, skip, or cancel at any time with free returns. Thinset adheres to Sheetrock as well as any other surface, but you need to consider the purpose of the area when installing tile. I then tiled over all of it. @the_Sage_BB Keep trying! They are in unexpected places! February 18, 2020. There is a thicker sheet that you use for the main areas, and a thinner band that is less bulky for covering seams. This took about 1 to 1. he uses greenboard and redguard on everything. I also used the Kerdi drain. Your Own Space Program. Don't use greenboard under Kerdi (the Kerdi doesn't stick well to greenboard). The way I do it is dig out all of the insulation in the rafter space, run the vent pipe and push the insulation back in over the top, this keeps it nice and flat. Please advice Thanks. I was thinking of stopping the cement board 1/4 inch shy of the ceiling and the front sides just before the green board, put a bead of silicone in the gap, and tile over the cement board. Nailing to. I usually install it the Kerdi/Detra myself because tile contractors are stuck in the 1960's still using hot mop, single ply EPDM or just want to paint on a liquid membrane. Once removal of the old tile is complete, install a cement backer board in the shower area (Image 1). The type of thin-set mortar (modified vs. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. Its not water-resistant and can't be used in the shower. A common option is to build a form to pour mortar into to form a mortar curb. 9 mm) thick cement board is designed as an underlayment for tile floors. keywords found include greenboard drywall,greenboard api,greenboard lowes,greenboard drywall menards,green board home depot,greenboard vs cement board,greenboard in bathrooms,greenboard cost,greenboard for shower walls. It has the same gypsum core that you'll find on standard drywall all over homes, but it comes with a thicker coating of paper that's protected by wax for water resistance. I've seem a lot of people telling that greenboard drywall SHOULD NOT be used in bathroom and wet areas. The first thing to do is select an effective primer that will allow the paint to successfully cover the green tint underlay. Contractor using green board for shower. Kerdi is designed to be installed directly onto gypsum board. Build spacecraft, fly them, and try to help the Kerbals fulfill their ultimate mission of conquering space. How to Use Salvaged Building Materials in New Construction. What began as a simple tile installation company has since grown to an international firm with over 40 product lines and a reputation unmatched in the industry. Actually you can use gypsum wallboard in wet area provided it's waterproofed. Click to add item "DUROCK® 1/2 x 3' x 5' Cement Board" to the compare list. It means 'Greenboard' can still be used in bathrooms (and other areas), it just cannot be used as a backer for tile in a shower or tub surround. Use FX Metallic Wall for an even quicker way to coat over your pre-existing shower walls making them seamless and water. General Department: Type of building material/ component: Buildings Fire-stop Materials and Sealing System B. The paint on membranes are cheap and literally painted on top of almost anything - normal drywall, greenboard, cement board, etc. Schluter Kerdi is another waterproofing membrane that is pretty easy to apply - and actually that one can be installed right over drywall. I actually used the shower for a couple weeks with just the membrane over the cement board. Kerdi shower system vs. You may want to consider one of the other mold resistant sheet rocks instead. We are often asked if drywall is a suitable backing for these shower methods. In addition, Mold/Moisture-Resistant Gypsum Panels offer a number of other benefits related to the appearance, operation and construction of multi. Contact us 888-472-4588. Wet particularily dry and porous surfaces like cement board. While some membrane manufacturers promote use of their. Woke up with bad back pain, could barely bend over to pick up stuff. I'm gonna be doing a complete renovation of my bathroom, ripping everything out to the studs. Take 15 minutes, yank it off and start over. 5-in x 32-in x 48-in Kerdi-Board Polystyrene Foam Backer Board. However, you can use kerdi over greenboard if it’s already installed. I never said it won’t bond to greenboard. I put on probably 5 coats with a small 3/8" nap paint roller. This means I need to install Kerdi on the sloped ceiling too. This is the case so much of the time that when people […]. Its so much easier to work with drywall than cement board too. It can be used in the creation of a broad range of building elements. 10 and ANSI A118. I also used the Kerdi drain. Woke up with bad back pain, could barely bend over to pick up stuff. (21) Write a review. I got turned on to Schluter and use Kerdi when I need to water/vapor-proof the walls. Sure was glad when the Hardi was up and we finished the dry areas off with greenboard (water resistant drywall). The edge will be clean and smooth. Thinset adheres to Sheetrock as well as any other surface, but you need to consider the purpose of the area when installing tile. Cement backer board such as Durock is best used for tile in highly. Plastic roof cement around penetrations,and over staples. I generally just rip out to studs and go back greenboard all the way around, kerdi the shower enclosure from floor to ceiling, tile the shower up and call it a day. Securock® Brand Gypsum-Fiber Roof Board's unique, fiber-reinforced, homogenous composition gives the panel strength and water resistance through to the core. (75) Write a review. A shower surround can be more difficult depending on what size tile you are doing. Can I install Schluter®-KERDI over drywall in my tiled shower? Yes. Greenboard is a type of drywall rather than a brand name, as several different manufacturers make it. Try to protect the greenboard as much as possible. I used 1/2 Hardibacker board over the studs and then used the Kerdi membrane over the Hardi. Ventured back to Galena IL. Cheap lesson really. In the tub (wet) area we are going to put up cement board. Standard sheets of drywall are made from a core of gypsum sandwiched between layers of paper. This review was done to test the performance of 3 different cement boards for ceramic tile installation: The Wedi Backer board, Hardibacker® and Wonderboard®. Work started off slow this past weekend. It just seems and feels stronger. Kerdi can easily be used with the shower pan if you treat the junction the same way they show you when building a tub/shower with the material. (It was banned from use for "wet areas" with the 2006 IRC building code. I said greenboard should not be used anywhere near a shower, it feeds mold. A tile contractor discusses how to choose backer board. You protect it with a layer of water proofing material. We installed wainscot panels and crown molding, wallpapered, and. It's installed over a layer of thinset mortar and has a felt backing that creates a mechanical bond with the mortar. Greenboard is a type of drywall that builders install in homes and other structures, over the beams in the walls. For example, if the tiles are 4 inches tall, then the line should be 4 1/4 inches off the floor. Putting this stuff on walls is difficult and time. HYDRO BAN Board® is a lightweight easy to handle and ready to tile wall board designed to be used in bonded tile or stone installations. Or use the Kerdi over the greenboard. It is possible to tile over painted drywall, as long as the drywall is sufficiently prepared beforehand. Grout the tile. If it makes you feel better, it won't hurt to put thinset between the cbu & sheetrock, I would use a modified thinset, and a 1/4" trowel. 21 After Mail-In Rebate. Use a rubber float to smooth it into the joints, attacking each joint at a diagonal angle. It is possible to tile over painted drywall, as long as the drywall is sufficiently prepared beforehand. For the floor I make a dry mix mud base and then the Kerdi membrane. 10 and ANSI A118. If you use Kerdi over drywall you need to make sure that there is no drywall compound or paint of any kind. Use it over regular sheet rock. Even in the US greenboard with a waterproofing layer is gaining momentum. If you're using the cement board and not Kerdi I'd do as Shawn Prentice suggests. Kerdi shower system vs. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. How to Cut a Pass-Through in a Load Bearing Wall. If my contractor recommends using greenboard for the shower walls. unmodified) used to install DITRA depends on the substrate. Repeat after me: Green board is not waterproof, Kerdi is. This means I need to install Kerdi on the sloped ceiling too. Traditionaly that is accomplished with Durock (cement board) over the framing. I also used the Kerdi drain. I used regular drywall screws. Finding the right trowel for the job is quite simple when you know that, generally speaking, the trowel size should match up to the tile size - the smaller the tile, the smaller the trowel; the larger the tile, the larger the trowel. Here, the shower pan is poured concrete (Image 2). The boards are simply cut to size with a utility knife. If my contractor recommends using greenboard for the shower walls. People who have responded to that by offering suggestions like Kerdi or just living with it because green board isn't bad are answering the question. I also used the Kerdi drain. buying our first home in queens, ny We decided to begin the blog as an historical record of our first home purchase in Glendale, NY. In addition, DensShield Tile Backer doesn't wick moisture. FOR SALE - Hudson Valley, NY - Selling what you see in the pictures. There is no need for backerboard. 18 @ 20 mil. Decided not to do a bench. Q: Why can't I lay new tile over the existing vinyl tile in my bathroom? A: Listen, I get why homeowners and contractors want to cheat and lay new tile over old flooring. I am told that PVA should not have been used in prep of painting. Here are a few tips on installing Kerdi. I don't have a clue about drywall. The goal of any radiant floor heating system is to ensure that the temperature that you. Hosted by Jeff Thorman from Ottawa Design and build, Jeff uses his near two decades. Build spacecraft, fly them, and try to help the Kerbals fulfill their ultimate mission of conquering space. Hello I am looking for the best liquid waterproofing membrane over Durock cement board in a regular shower NOT a steam shower and the products my looking at are Hydro Ban, Redguard, and Durock has a fairly new product they have now USG Durock liquid membrane, the Hydro Ban is the only one that has to be used with their sheet membrane if used for steam shower application,does that make Hydro. Twofeetfirst. When exposed to moisture, which any wallboard will be in a bathroom, gypsum board swells. There are newer technologies now that employ membranes over greenboard (Schluter, RedGuard, etc) but most GCs aren't educated about these systems and just want to do it the old way with cement board and thinset mortar, which is still fine. , I would put Kerdi over the greenboard. Wanted to add one more thing:In my area, per code we can't do Kerdi over drywall. Depending on the severity of black mold problems, you may go for a stronger chemical if needed. FAST INSTALLATON: Complete shower tile projects in half the time or less. A lot of folks like using cement board but it’s heavy and requires a waterproofing membrane over it. Tiles can be installed directly over KERDI-BOARD using the thin-set method. Click and Collect in 1 hour or enjoy free UK delivery on orders over %pound;150 excl. Have a professional install a shower membrane and shower pan appropriate for the space. Putting this stuff on walls is difficult and time. Learn how to install subway tile with a decorative border in a bathroom shower. Gypsum board is not the best choice of material for bathroom walls, however. Use it over regular sheet rock. And as has been stated, Kerdi likes greenboard too. Kerdi is designed to be installed directly onto gypsum board. To the original poster, since you could possibly damage the foam Kerdi-Tray when installing the drywall, it might be smarter to hang the drywall and then set the tray. It's probably redundant, but I use Dens-Shield in the the wet areas, then Kerdi over it. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. In the case of kerdi or glass tile work, since the trowel size is so small, you do want to make sure the hardi is damp to the core. Woke up with bad back pain, could barely bend over to pick up stuff. But with documentation certificates from Schluter the inspector says we can, but it's on a case-by-case basis. Check out the Schluter website and also visit the John Bridge tile forum. Apply the RedGard membrane around drain. Not sure how the wall-tub interface looks, but do all you can to keep water from wicking up behind the Kerdi. Use the notched trowel to spread mortar over the entire shower floor, then press a sheet of waterproof membrane into the wet mortar. Kerdi-Board is made from an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effective anchoring in thin-set mortar. XP Gypsum Board was designed to provide extra protection against mold and mildew compared to standard gypsum board products. Use FX Metallic Wall for an even quicker way to coat over your pre-existing shower walls making them seamless and water. It is designed to create such a waterproof seal that it can be used over standard drywall as long as you follow the procedure of overlapping 2″ at every seam. I'm starting to lean towards Kerdi on top of the greenboard, it's my understanding that there is an exemption in the IRC that allows for this type of usage, I'd then tile over that. No need to figure out what kind of wall material to use – greenboard, Hardi, concrete backer board – just use Kerdi-board. FOR SALE - Hudson Valley, NY - Selling what you see in the pictures. The thin-set and tile can then be set on top of the Kerdi. and 3 x 5-ft. greenboard and paper-faced, mold-resistant gypsum boards are not approved by 2012 IRC and IBC for use in wet areas. kerdi on the shower pan is an absolute joy too. I have a bath shower and just noticed the contractor used green backer board instead of concrete backer board. There are newer technologies now that employ membranes over greenboard (Schluter, RedGuard, etc) but most GCs aren't educated about these systems and just want to do it the old way with cement board and thinset mortar, which is still fine. Schluter®-KERDI-BOARD The universal substrate. You should not ever put tile directly onto drywall, even the "green board" water resistant kind. Advertisement. WALL PANEL INSTALLATION Silicone Adhesive Panel Installation Order Cutting Notches & Holes Silicone Application about 8" apart For best results, Silicone from which is specially formulated to provide maximum adhesion and proper cure rate. Contractor using green board for shower. A shower surround can be more difficult depending on what size tile you are doing. Mix up a batch of grout and let it rest for 5 to 7 minutes. Caulk over any areas that you drilled, around the area where the studs and pan meet, and the joints where the floor and base join. A tile contractor discusses how to choose backer board. I also used the Kerdi drain. Waterproofing for tiled showers with a bathtub can be done in a couple of ways, both equally effective. How to prep a shower for tile with Schluter Kerdi. 10 and ANSI A118. I never said it won't bond to greenboard. Then using a paint roller, start in the back corner and work your way around the walls to a height of about 20cm. As Begreen said you should be fine just attaching the CBU over the sheetrock, just make sure and fasten your cbu screws directly into the studs, and not just sheetrock. ContractorTalk. I'm using Kerdi over greenboard for the shower walls and sloped ceiling. Cement board is readily available and relatively inexpensive (about $10 for a 3 x 5-ft. The face paper is folded around the long edges to reinforce and protect the core, and the ends are square-cut and finished smooth. I actually used the shower for a couple weeks with just the membrane over the cement board. This sturdy material is very lightweight and cuts easily with a utility knife (no need for any power tools!). Ditra is 1/8" thick and comes in 39" wide rolls of various lengths. SKU: 100037092 $11. Once mold spores are inside your home, they grow and thrive on the combination of: • Direct exposure to moisture (from showers, steam, structural or plumbing leaks, etc. To do this, roll on a layer of sealing primer and leave it to dry for 24 hours. I put on probably 5 coats with a small 3/8" nap paint roller. typically if you see mold at the surface of a shower pan this implies an incorrect install which unfortunately means a complete ripout. Kerdi DS (same product, just thicker than regular Kerdi) achieves a vapor perm rating of. (It was banned from use for "wet areas" with the 2006 IRC building code. A lot of folks like using cement board but it's heavy and requires a waterproofing membrane over it. Compare cdRxUiaaipuCQaaadnREtbT5uE. Not sure how the wall-tub interface looks, but do all you can to keep water from wicking up behind the Kerdi. However, it was relatively new to them. Side note is that with Kerdi you must not use the green board and and no joint compound because the mortar won't stick to it properly. Mold/Moisture-Resistant Gypsum Panels were introduced to provide better protection against the threat of moisture damage than standard drywall, but it can be installed and finished just as easily. Ditra is a great product. I can not recall the wood, but we really liked the natural distressed and cracking look. Yes, you can use the nobleseal with kerdi walls. How to Cut Cement Backer Board for Your Next Tile Job Cement backer board is a DIYer's friend—it will let you lay down tile without using a thick bed of mortar. Mix up a batch of grout and let it rest for 5 to 7 minutes. You can also go for a green board as a base beneath your tiles. 8 mm) thick, of water base Type I ce-ramic tile adhesive (ANSI A136. Very little to no benefit with that product over regular sheet rock. I placed felt paper over the tub for protection. Green board should not be used in a shower. This also goes for moisture resistant drywall also known as green board. It is made with a high-density, waterproof extruded polystyrene core and a reinforced, waterproof membrane on both sides to give triple protection from water and vapor intrusion. Unless one-piece shower wall panels Fasteners: Shall be corrision-resistant & listed for the backer board (not black drywall screws) Lining material 3 in. Kerdi-board comes in thicknesses from 3/16″ up to 2". The product is essentially a more durable gypsum board. 120 sq feet including the floor. Kerdi is a fabric waterproof membrane system that you usually apply with an unmodified thinset after doing your mortar bed and installing cement board. Videos for this product. (t-bar paper has tar in the middle of the two pieces of paper to stop moisture) After that you would wire the walls. Re: Proper Use of Green Board Anyone who's showers are orange knows that you can use standard drywall in the wet areas. I have left over from my project a new. ShowerSeal® is a family of KBRS waterproofing products that when used together create a completely seamless water barrier for the entire shower. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. 47-in x 36-in x 60-in GOBOARD Polyisocyanurate Backer Board. 8 mm) thick, of water base Type I ce-ramic tile adhesive (ANSI A136. Hope this helps. The world of tiles is changing rapidly. This fully independent supporting bench unit can be mounted to most vertical surfaces quickly and efficiently, saving the installer valuable time. Hydro Ban is a liquid rubber polymer that can be applied in a similar fashion to paint, forming a flexible and seamless waterproofing membrane over the surface. Volg de stappen in dit artikel om een douche helemaal zelf te betegelen. A common option is to build a form to pour mortar into to form a mortar curb. Actually you can use gypsum wallboard in wet area provided it's waterproofed. I still put Kerdi over cement board instead of drywall, even though drywall is an approved backer for Kerdi. Once removal of the old tile is complete, install a cement backer board in the shower area (Image 1). (75) Write a review. I'm using Kerdi over greenboard for the shower walls and sloped ceiling. The next step would be to hawk and trowel the mud on the walls using float strips. Last edited: Jan 8, 2018 Championsumo , Jan 8, 2018. I said greenboard should not be used anywhere near a shower, it feeds mold. Important to overlap seams in a shingle method. The wire mesh was nailed directly to the studs. The Kerdi comes with a shower pan already slopped: just cut the outside dimensions that you need. @Falcon9Block5 Hahaha. 4 mm (1/4") thickness helps eliminate transition trim when abutting carpet or wood flooring and minimize level variations with other finish materials. It is lightweight, waterproof and ready to tile making installation quick and easy. FOR BACKSPLASH, LAUNDRY OR OTHER DAMP ENVIRONMENTS. for pricing and availability. Re: Shower tile removal/demolition I had a simalar situation in my master bath. I tried remove each tile carefully because I needed to re-use the tub. As a contractor, I have been using Kerdi since it came out. CUSTOM BLDG PRODUCTS LQWAF1-2 Redgard Waterproofing, 1 gal. greenboard and paper-faced, mold-resistant gypsum boards are not approved by 2012 IRC and IBC for use in wet areas. The old mortar jobs the tile setters floated mortar and screeded it plumb and level before wet-setting their tile, today”s cement board, fibercement board, and Kerdi systems the tile is just glued to the walls and follows the walls, including any out of plumb and level situations, along with and humps or swails in the studs. Red Gard Roll On Membrane The RedGard Roll On Waterproof Shower Pan Liner Kit is another option in waterproofing and building your tile shower the right way from the bottom up. Tiling over an old, solid wood subfloor is dicey, even with a layer of backer board. HYDRO BAN Board® is a lightweight easy to handle and ready to tile wall board designed to be used in bonded tile or stone installations. Made of 8-ml-thick polyethylene in Germany with zero VOCs and no odor, KERDI is covered in both sides with a fleece webbing to anchor the membrane in ceramic tile thin-set mortar. Installing a new basement shower on slab with DensShield and green gypsum board on the walls. The type of thin-set mortar (modified vs. Follow @KerbalSpaceP. No need to figure out what kind of wall material to use - greenboard, Hardi, concrete backer board - just use Kerdi-board. Been outta the business for awhile but#1 yes I would silicon gaps in wonderboard, #2 I would use wonderboard over green board (water resistance sheetrock) or just wonderboard - make sure screws go in straight and flush, #3 use regular grout and then seal it after it cures, #4 Yes 1/4" gap between tub and any other materials (they all move differeently and eventually cause cracking). " Not quite watery, but almost. The key to using Kerdi over any surface is to keep the thin set "loose. Thinner panels may be installed over solid surface substrates. 4 kg) to 32 lbs (15 kg) lighter per. Project Documentation Take a look at some example projects which were completed with wedi products Building systems Functionality and security in substructures and floor-level showers. Just mentioned that cementboard was unnecessary and greenboard would be fine. Both Schluter's Kerdi system and Laticrete's HydroBan are approved for use over wallboard. But to be warrantied by Schluter, Kerdi must run up to the height of the shower head, which is 6'6″; 18 inches higher than my lowest shower wall (5′ tall). When roughing up the surface of the drywall, a course-grit sanding sponge provides the best results. faced greenboard. They love it over at John Bridge, so I thought I'd try it out. Re: Kerdi shower system, a do it yourself project? I don't understand the issue with installing a mud bed for the offset drain. I made a complete mess and the drywall was damaged on the perimeter during demo. So, on both counts, regular drywall is preferred for Schluter. 1 gallon bucket covers up to 60-sqft. Mapelastic AquaDefense dries after about 30 to 50 minutes and is then ready to receive any MAPEI polymer or epoxy mortar. It can be used in the creation of a broad range of building elements. By far the most common problem I have encountered has been tile installed over drywall in shower/wet areas. Draw a level horizontal line along the bottom of the greenboard wall with your pencil and level. Greenboard is a type of drywall that builders install in homes and other structures, over the beams in the walls. (21) Write a review. Water that gets into green board can cause the board to deteriorate and mold to grow inside. Lightly wet the area you'll be grouting with a damp sponge and dump a bit of grout onto the area. Barrier to protect adjacent rooms and floors below from water damage. Tile set by the thinset method is adhered to the substrate with a thin layer of "thinset" cement. KERDI-BOARD by Schluter is one of the best ways to waterproof a shower. Since KERDI is impervious, it does not deprive the mortar of its moisture. I did not paint over the primer yet. Moisture / shower grade panel boards such as Durock, Kerdi-Board, HardieBacker, DensGlass, Greenboard, etc. FOR BACKSPLASH, LAUNDRY OR OTHER DAMP ENVIRONMENTS. Florence Addition & Remodeling Contractors are rated 4. However, it was relatively new to them. Its not water-resistant and can't be used in the shower. Twofeetfirst. Use a rubber float to smooth it into the joints, attacking each joint at a diagonal angle. Your nearby store only has 12 in stock. Pulling away tile and board, I appear to have some sort of thin barrier/paper on the other side of the green board and then drywall behind that attached to the studs. Also make sure a waterproofing membrane is installed underneath your tile over the cementboard to ensure water doesn't penetrate your subfloor or studs (kerdi makes some good products for this) 2) Make sure mold resistant studs, drywall (the blue kind), caulking, and grout is used to finish off the entire bathroom. The only place it's OK to use it is when tiling in non-wet areas, over drywall, with small ceramic tile. 71 out of 5 based on 513 reviews of 26 pros. While all KBRS, Tile-Basin® shower bases are already pre-coated with our leak-free ShowerSeal® waterproofing membrane, using the KBRS ShowerSeal® family of products while installing your shower. Moisture resistant drywall in not a water resistant material, it will be damaged over time and can cause leaks. Frankly, working with more than one type of mortar seems unnecessarily complicated. I disagree on your tilesetter's opinion. ARDEX 8+9™ Rapid Waterproofing and Crack Isolation Compound is a best-in-class, two-component, solvent-free, cement-based membrane. Place the mesh tape over the joint and remove excess material using your trowel. How to prep a shower for tile with Schluter Kerdi. Decided not to do a bench. Color-matched caulk is commonly used, I think. Greenboard is a type of drywall rather than a brand name, as several different manufacturers make it. The world of tiles is changing rapidly. I just finished a Kerdi no-barrier shower. Install GoBoard with GoBoard Sealant, take a break and tile the same day. HardieBacker® Cement Board's unique cement formulation and structure provide the ideal combination of strength, uniform composition and performance that no other backer board can provide. Those guys can point you in the right direction. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. Kerdi over greenboard. Try to protect the greenboard as much as possible. The key to using Kerdi over any surface is to keep the thin set "loose. The first thing to do is select an effective primer that will allow the paint to successfully cover the green tint underlay. Instead of having this taken out and reinstalled with concrete, is there anything else that I can do? It is 122 sq. Always follow manufacturer's installation instructions to create a waterproof enclosure. 21 After Mail-In Rebate. What once took days can now be done in about an. If the walls are taped, seamed, flat, etc. Securock® Brand Gypsum-Fiber Roof Board's unique, fiber-reinforced, homogenous composition gives the panel strength and water resistance through to the core. Ranging from mild to potent, the options are available in both chemical and natural alternatives. Yes, if it will be covered with water resistant material like Schluter Kerdi. Since you are in the driver's seat at this time and have a choice of what material to use, you can produce a finished result that should last for many years with little or no damage if an occasional splash or drip occur or even if lots of water. Then the kerdi ditra underlayment looks like a good option for under the floor tile. After 30-40 minutes (check the directions on the bag of grout) you want to wipe. It is also proven to be the most time effect way to complete an accent wall or ceiling compared many other competing products. Waterproofing for tiled showers with a bathtub can be done in a couple of ways, both equally effective. Another option seems to be drywalling the stall and putting up a Kerdi waterproof membrane and tiling directly over that. Hope this helps. That's why easy-to-install PURPLE ® XP drywall is moisture-, mold- and mildew-resistant, so you can keep walls and ceilings fresh and clean for years to come. You’ll find everything you need at Travis Perkins. What I want to do is copy that, put in green board, (then add a waterproof selfadhesive membrane on top of green board), then the cement backer board, then tile. Kerdi is a sheet-applied polyethylene waterproofing membrane and vapor retarder. 18 @ 20 mil. Or if new construction an approved VB is installed. Don't use tile mastic in wet areas like showers, over cement board, fiber cement board, Kerdi, floors, or with glass tile, large format porcelain tile, natural stone, or most anywhere else. The paint on membranes are cheap and literally painted on top of almost anything - normal drywall, greenboard, cement board, etc. More Wall Renovation. However, you can use kerdi over greenboard if it’s already installed. Install GoBoard with GoBoard Sealant, take a break and tile the same day. and is ideal for. This made tiling relatively simple because slight changes in the flatness of the surface could be adjusted for at the next grout line. The matting has a grid structure of square cavities which are each cut back in a. Securock® Brand Gypsum-Fiber Roof Board's unique, fiber-reinforced, homogenous composition gives the panel strength and water resistance through to the core. FAST INSTALLATON: Complete shower tile projects in half the time or less. Shower areas should be completely waterproof using the same technique, and after that you can install tiles using a flexible grout and mortar on top of the waterproofed drywall. Your nearby store only has 12 in stock. Schluter Kerdi is specifically intended to be applied over regular drywall. Also make sure a waterproofing membrane is installed underneath your tile over the cementboard to ensure water doesn't penetrate your subfloor or studs (kerdi makes some good products for this) 2) Make sure mold resistant studs, drywall (the blue kind), caulking, and grout is used to finish off the entire bathroom. Find and mark the middle of the horizontal line. typically if you see mold at the surface of a shower pan this implies an incorrect install which unfortunately means a complete ripout. Top 5 Tips - Waterproofing for Tiled Showers The membrane provides thin, smooth, monolithic coverage over an area of any shape or size, in any configuration, and on horizontal, vertical or overhead surfaces. Even in the US greenboard with a waterproofing layer is gaining momentum. When I redid my bathroom, I used cement board in the shower, and behind the sink. You can tile over greenboard sheetrock whether it is in the shower or any other location. FOR BACKSPLASH, LAUNDRY OR OTHER DAMP ENVIRONMENTS. Install the preformed curb, covering it with mortar and waterproof membrane. Kerdi-board comes in thicknesses from 3/16″ up to 2”. 1) over the. KERDI-BOARD: Waterproof a Shower in 1 Day: KERDI-BOARD by Schluter is one of the best ways to waterproof a shower. Posts about 1930’s bungalow written by curt. Frankly, working with more than one type of mortar seems unnecessarily complicated. I need to put up a vapor. Dec 20, 2014 - Explore floortrendz's board "Schluter" on Pinterest. And as has been stated, Kerdi likes greenboard too. Let this first coat of RedGard dry until the panels appear red in color.
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Kerdi Over Greenboard