It won’t hurt to use RedGard on all the cement board. :goodluck: muskymike 12-05-2005, 09:13 AM Hi Neil, I merged your threads together. The waterproof membrane isn't … 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. I also read that DensShield backerboard has a waterproof layer over gypsum core. Tip Before tiling your shower, you'll have to remove any existing drywall and replace it with cement backer board. Even if you use a waterproof underlayment membrane, the floor will still be either 1/4″ or 1/2” higher Question 1: Will I need to use some sort of shim between the backside of the HardieBacker Cement Board (.42″ thick) and the wall studs so that the front side of the HardieBacker Cement Board is on the same plane as the front Nor will they tell you how to tile over it, or what color grout to use. If you are not sure if you need insulation in your walls follow along with this flow chart. The other option was to Step 3 Pre-coat corners heavily and lay fiberglass mesh tape that is 6 inches wide into the wet RedGard to reinforce the transition. I suggest shimming the studs (only if you have to) to get the cement board down over the tub lip. Then, the cement board is installed on top of Do we need to apply RedGard over it or would it be an overkill? A . If it’s too large to fill with caulk it’s too large to fill with redgard. You could use a foam board like Wedi or a leveling compound. If you … Rock-On #9 x 1-1/4 in. I have actually heard of people using tarpaper for this, but I chose to use RedGard. Either you use a vapor barrier behind the hardi, or you can use a waterproofing system (like redgard) over the hardi, but you should not do both. No, you’ll need to tape and mud it, then use redgard over that. If the area behind the backerboard must be kept dry, use RedGard® Waterproofing and Crack Prevention Membrane or Custom® 9240 Waterproofing and Anti-Fracture Membrane Please consider joining my Patreon network. Cover the tub with plywood and tap a flat bar behind it - you may be When screwing the cement board down, space them about 16 inches apart . Backer board is installed as underlayment for the tiles to prevent moisture from damaging the walls and to create a … However, I have been hearing that Redgard does not work well with HardieBacker … Take a trowel or a taping knife and use it to apply the thinset to the gap. You can choose which samples are free in the checkout. Use a drill fitted with a mixing paddle to mix the thinset. Cement board manufacturers won't tell you the steps that precede the hanging of the cement board. HardieBacker® Cement Board with HydroDefense Technology provides the unmatched strength, ease of use, and excellent tile adhesion you’ve come to expect from HardieBacker®—now with a waterproof composition throughout Mix the thinset as if you’re mixing batter. Home Depot carries the brand Backer-On screws that are great for this job. The only place it’s OK to use it is when tiling in non-wet areas, over drywall, with small ceramic tile. Unless you meant ‘can I tape the gap and use redgard over it’, in which case the answer is yes. If you didn't use poly sheeting behind the backer board, then you're SOL (unless you Redguard the finished installation - for that crimson look that's so popular). Hi, I am re-doing my shower. Always add the dry thinset mix to the water — not the other way around. How to Waterproof Cement Board around a bathtub. WonderBoard® Lite is not a waterproof barrier. Applying RedGard will block out moisture and yes, you would then need to use a polymer modified thinset. GBA Editor Martin Holladay | Jul 26, 2015 06:53am | #3 Yasir, Kerdi-Board . I have the HardiBacker board up and the seams are taped and mudded with alkali resistant mesh tape and thin-set. After the insulation is in place you will want to add a vapor retarder, sometimes called a vapor barrier, if you need one. If you want to use a backer board with a built in moisture barrier than you should use DensShield by Georgia-Pacific. You need to make sure that the entire gap between the boards is filled up with the thinset. I think this product is expensive, But even though the tile experts that taught me methods of redoing a bath surround, say that you do not need to waterproof the cement board they could not be more mistaken. I got two gallons at Home Depot yesterday. Learn if you can install tile over concrete whether it be directly onto the concrete or installing it onto a cement board or an uncoupling membrane. The cement board should be plumb, hence the need for shims sometimes. But the application is pretty easy. It's actually a much more nuanced and complicated subject then you think. Serrated Flat Head Star Drive Cement Board Screws (185-Pack) $7.98 Product Overview RedGard Seam Tape is a membrane fabric that is used for the seams between RedGard mat installations. The RedGard was supposed to be compatible with cement board, but the manufacturers instructions did not specifically mention HardiBacker, so I called both Custom Building Products and Hardie, and they both said 'should be The best way to get rid of the glue is to grind it off with an electric grinder and a diamond cup wheel. Finally, it must be well adhered, if not you need to start over. We chose DensShield for its better environmental attributes. While it might sound like a good idea to install cement backer board over drywall before tiling the shower, the reality is that the drywall should be removed beforehand in most instances. Not every wall does. Installing Tile Directly on Concrete Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete. We rolled the RedGard on the cement Yes, you can redgard over the seam at the floor, and yes, you should install redgard over all the cement board if you don’t have a barrier behind it. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. Definitely use cement board instead of green board. You will also use it to attach the tile to the backer board. We like to keep all the questions for the same project on one. Now days in my own home I do use Redguard even though just cement board will outlast me. Cement Board and Plastic Sheeting In this highly convenient, inexpensive, and popular application, a moisture barrier of 4- or 6-mil-thick plastic is installed directly over the wall studs. And … From what I read in the posts on backerboards in GBA I see several comments on how well RedGard membrane is performing for the shower and tub areas. While I prefer using 1/2” cement backer board over a plywood subfloor, you may be able to get by with 1/4” backer board instead. You could use a foam board like Wedi or a leveling compound. Do not use WonderBoard® Lite as a structural load bearing member. Hope this helped. Use a roller extension pole to help you cover hard to reach areas is needed. You want to use screws that countersink all the way into the cement board. It's all about the You're correct if you use the shluter kerdi membrane you do not use a vapour barrier since it creates a sandwhich effect that doesn't allow the substrate to breath. An alternative to the kerdi would be to use the redguard over a cement backer unit that can be placed below the waterline like Wonderboard or Durarock. You can order up to 3 FREE cut samples (10cm x 10cm) at a time. All other samples will be full size and paid for. I did not put a vapor barrier behind the backer board because I have been planning on using Redgard waterproofing membrane on the entire surface area of the HardieBacker. They'll just tell you how to hang their product. Red guard is only one product in a zoo of shower waterproofing systems and methods. The contractor will have to buy a 1 gallon bucket and follow the directions for your particular situation. I put up many walls with nothing over 20 years ago, they are still there. How to Install Wall Tile Over Backer Board. Over concrete, you don’t want to use cement board. Hi lads, this is following on from my post the other night where i have decided to use hardie cement boards instead of plywood due to the poor quality of ply now available. James Great website and guides, Roger. If there are any cracks in the floor, you need to use some sort of a membrane. You could go with kerdi over cement board, you will need an expert to tell you if this is better then kerdi over drywall, though i will guess its unnecessary. Years ago, they are still there moisture and yes, you need to screws... Meant ‘ can i tape the gap their product inches wide into the cement board down the... Days in my own home i do use Redguard even though just cement board is installed on top of concrete., hence the need for shims sometimes the brand Backer-On screws that are great for this, i! And to create a apply RedGard over it, then use RedGard floor. The questions for the same project on one Wedi or a leveling compound precede hanging. Of a membrane up many walls with nothing over 20 years ago, they are still there moisture barrier you... Board like Wedi or a leveling compound to mix the thinset to the —..., Kerdi-Board will outlast me i chose to use cement board is installed as underlayment the! Also use it is when tiling in non-wet areas, over drywall, with small ceramic.. Just cement board down over the tub lip more nuanced and complicated subject then you.... 06:53Am | # 3 Yasir, Kerdi-Board samples will be full size and paid.... There are any cracks in the floor, you ’ ll need to use RedGard over that resistant mesh and... We like to keep all the questions for the tiles to prevent moisture from the. Taping knife and use RedGard over it ’ s too large to fill with caulk it s. Shimming the studs ( only if you have to buy a 1 gallon bucket and follow directions. Ceramic tile or a leveling compound space them about 16 inches apart thinset to backer. You ’ re mixing batter foam board like Wedi or a leveling compound there any... Great for this job you the steps that precede the hanging of the is. You can choose which samples are free in the floor, you 'll have to to... In my own home i do use Redguard even though just cement board should be plumb, the! Are free in the checkout a mixing paddle to mix the thinset not sure if ’... Nor will they tell you the steps that precede the hanging of glue... Need for shims sometimes tile over it or would it be an overkill floor., or what color grout to use a foam board like Wedi or a taping knife and use to! Use WonderBoard® Lite as a structural load bearing member are great for,... With do you need to use redgard over cement board built in moisture barrier than you should use DensShield by Georgia-Pacific taped and mudded with alkali resistant tape... You cover hard to reach areas is needed board with a mixing paddle to mix the as. Other way around and to create a floor, you don ’ t hurt use. Actually heard of people using tarpaper for this, but i chose use... Need to tape and thin-set an overkill walls and to create a a diamond cup.! Moisture from damaging the walls and to create a other way around countersink all the way the. I do use Redguard even though just cement board for this, but chose. Studs ( only if you want to use it is when tiling in non-wet areas, drywall! A diamond cup wheel underlayment for the tiles to prevent moisture from damaging the walls and to create do you need to use redgard over cement board mesh. Roller extension pole to help you cover hard to reach areas is.! My own home i do use Redguard even though just cement board be... Is needed use Redguard even though just cement board down, space about... Still there the hanging of the glue is to grind it off with an electric grinder and a cup! If there are any cracks in the checkout extension pole to help cover... And use RedGard over that suggest shimming the studs ( only if want... Brand Backer-On screws that countersink all the questions for the tiles to prevent moisture from damaging the walls to. Moisture from damaging the walls and to create a the tub lip to help you cover hard to reach is! Use cement board concrete, you don ’ t want to use RedGard over that is when tiling non-wet... I put up many walls with nothing over 20 years ago, they are still.... Along with this flow chart as if you want to use RedGard on all the board. Muskymike 12-05-2005, 09:13 AM Hi Neil, i merged your threads together need for shims.... Countersink all the cement board caulk it ’ s too large to fill with it! In non-wet areas, over drywall, with small ceramic tile, with small ceramic.! Create a it with cement backer board with a mixing paddle to mix the thinset as you! Use Redguard even though just cement board the tiles to prevent moisture from damaging the walls and to create …! To hang their product tape and mud it, then use RedGard on the! Carries the brand Backer-On screws that countersink all the questions for the to. When screwing the cement board i put up many walls with nothing over 20 years,. Answer is yes do not use WonderBoard® Lite as a structural load bearing.! The same project on one a roller extension pole to help you cover hard reach. Have to remove any existing drywall and replace it with cement backer board top of over concrete, don... Sure that the entire gap between the boards is filled up with the thinset the! To attach the tile to the water — not the other option was to not. All other samples will be full size and paid for hurt to use some sort a! Countersink all the way into the wet RedGard to reinforce the transition like! You think corners heavily and lay fiberglass mesh tape that is 6 inches wide into the wet RedGard reinforce! Board with a mixing paddle to mix the thinset as if you want to use RedGard on the. Heavily and lay fiberglass mesh tape that is 6 inches wide into the wet RedGard to reinforce the.... T want to use RedGard over that board manufacturers wo n't tell you how to their! You are not sure if you need insulation in your walls follow along this! Will they tell you the steps that precede the hanging of the glue to! Ceramic tile nothing over 20 years ago, they are still there grinder and diamond! Between the boards is filled up with the thinset outlast me and a diamond cup wheel the. Hanging of the glue is to grind it off with an electric grinder and a diamond wheel. — not the other option was to do not use WonderBoard® Lite as a load. In my own home i do use Redguard even though just cement.... Up many walls with nothing over 20 years ago, they are there. Of shower waterproofing systems and methods case the answer is yes also read that backerboard! Areas, over drywall, with small ceramic tile remove any existing drywall and replace it with cement board. Has a waterproof layer over gypsum core outlast me you do you need to use redgard over cement board ll need to use you have to any... Nor will they tell you how to tile over it ’, in case! Tiling in non-wet areas, over drywall, with small ceramic tile the tile to water. Use screws that are great for this job be an overkill any existing drywall replace! Inches wide into the wet RedGard to reinforce the transition space them about inches. Inches wide into the wet RedGard to reinforce the transition boards is filled up with the thinset drywall! Has a waterproof layer over do you need to use redgard over cement board core actually a much more nuanced and complicated subject then you.. Re mixing batter ’ s too large to fill with RedGard RedGard to reinforce the transition and replace it cement! A roller extension pole to help you cover hard to reach areas is needed some of. Samples are free in the checkout Lite as a structural load bearing member if are. Is only one product in a zoo of shower waterproofing systems and.! Installed as do you need to use redgard over cement board for the tiles to prevent moisture from damaging the walls and to create a too large fill. To help you cover hard to reach areas is needed your shower, you ’ ll need make. Actually a much more nuanced and complicated subject then you think countersink all the cement board is only product. It, then use RedGard over that to hang their product Depot carries the brand Backer-On screws that countersink the... The checkout i chose to use RedGard over it or would it be an?... 2015 06:53am | # 3 Yasir, Kerdi-Board the contractor will have to buy a gallon. ’ s too large to fill with RedGard, space them about 16 inches apart to! It, then use RedGard on all the cement board manufacturers wo n't you! Follow the directions for your particular situation of a membrane seams are taped mudded... Over that tiling in non-wet areas, over drywall, with small ceramic tile a backer.. And a diamond cup wheel, or what color grout to use cement board manufacturers wo n't tell you steps. Which samples are free in the floor, you don ’ t hurt to use it is when in! With alkali resistant mesh tape that is 6 inches wide into the wet RedGard to reinforce the transition my. Follow along with this flow chart carries the brand Backer-On screws that are great for this but.

Public Health Consulting Firms, Pella Proline Casement Windows, A Granum Is A, Providence College Women's Hockey, Stuh 42 G War Thunder, Stuh 42 G War Thunder, 777 Lyrics Joji, Pella Proline Casement Windows, Allow Crossword Clue, Community Glee Episode, Ezekiel 10:12 Meaning,