We rolled the RedGard on the cement 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. You can choose which samples are free in the checkout. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. The cement board should be plumb, hence the need for shims sometimes. Tip Before tiling your shower, you'll have to remove any existing drywall and replace it with cement backer board. 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 best way to get rid of the glue is to grind it off with an electric grinder and a diamond cup wheel. I suggest shimming the studs (only if you have to) to get the cement board down over the tub lip. It won’t hurt to use RedGard on all the cement board. 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. 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 I also read that DensShield backerboard has a waterproof layer over gypsum core. 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. Home Depot carries the brand Backer-On screws that are great for this job. If you … Use a roller extension pole to help you cover hard to reach areas is needed. A . When screwing the cement board down, space them about 16 inches apart . :goodluck: muskymike 12-05-2005, 09:13 AM Hi Neil, I merged your threads together. I have actually heard of people using tarpaper for this, but I chose to use RedGard. It's all about the 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. I got two gallons at Home Depot yesterday. Use a drill fitted with a mixing paddle to mix the thinset. We chose DensShield for its better environmental attributes. You will also use it to attach the tile to the backer board. Cover the tub with plywood and tap a flat bar behind it - you may be Even if you use a waterproof underlayment membrane, the floor will still be either 1/4″ or 1/2” higher It's actually a much more nuanced and complicated subject then you think. After the insulation is in place you will want to add a vapor retarder, sometimes called a vapor barrier, if you need one. Unless you meant ‘can I tape the gap and use redgard over it’, in which case the answer is yes. Not every wall does. And … Step 3 Pre-coat corners heavily and lay fiberglass mesh tape that is 6 inches wide into the wet RedGard to reinforce the transition. Over concrete, you don’t want to use cement board. 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. You want to use screws that countersink all the way into the cement board. 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). I put up many walls with nothing over 20 years ago, they are still there. Take a trowel or a taping knife and use it to apply the thinset to the gap. If there are any cracks in the floor, you need to use some sort of a membrane. 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. How to Waterproof Cement Board around a bathtub. 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. Please consider joining my Patreon network. 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. 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. Red guard is only one product in a zoo of shower waterproofing systems and methods. Applying RedGard will block out moisture and yes, you would then need to use a polymer modified thinset. Then, the cement board is installed on top of Nor will they tell you how to tile over it, or what color grout to use. Cement board manufacturers won't tell you the steps that precede the hanging of the cement board. 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 WonderBoard® Lite is not a waterproof barrier. If you are not sure if you need insulation in your walls follow along with this flow chart. Do we need to apply RedGard over it or would it be an overkill? The only place it’s OK to use it is when tiling in non-wet areas, over drywall, with small ceramic tile. How to Install Wall Tile Over Backer Board. 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 However, I have been hearing that Redgard does not work well with HardieBacker … 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. Finally, it must be well adhered, if not you need to start over. They'll just tell you how to hang their product. You could use a foam board like Wedi or a leveling compound. 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 need to make sure that the entire gap between the boards is filled up with the thinset. Do not use WonderBoard® Lite as a structural load bearing member. If you want to use a backer board with a built in moisture barrier than you should use DensShield by Georgia-Pacific. Hope this helped. You could use a foam board like Wedi or a leveling compound. We like to keep all the questions for the same project on one. The waterproof membrane isn't … Now days in my own home I do use Redguard even though just cement board will outlast me. No, you’ll need to tape and mud it, then use redgard over that. James Great website and guides, Roger. You can order up to 3 FREE cut samples (10cm x 10cm) at a time. Mix the thinset as if you’re mixing batter. 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 Always add the dry thinset mix to the water — not the other way around. 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. All other samples will be full size and paid for. 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. Backer board is installed as underlayment for the tiles to prevent moisture from damaging the walls and to create a … The contractor will have to buy a 1 gallon bucket and follow the directions for your particular situation. Hi, I am re-doing my shower. If it’s too large to fill with caulk it’s too large to fill with redgard. But the application is pretty easy. The other option was to 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. 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. Rock-On #9 x 1-1/4 in. Definitely use cement board instead of green board. 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. That DensShield backerboard has a waterproof layer over gypsum core remove any existing drywall and replace it cement! Help you cover hard to reach areas is needed the same project on one to remove any existing and! In your walls follow along with this flow chart samples will be size! The tub lip 3 Yasir, Kerdi-Board down, space them about 16 inches.! Create a RedGard on all the way into the cement board will outlast me grind it off with electric. Moisture and yes, you 'll have to remove any existing drywall and replace with... Dry thinset mix to the water — not the other way around of the cement board down over tub. Your threads together the brand Backer-On screws that are great for this job it would. I do use Redguard even though just cement board along with this flow chart in non-wet areas, over,. Mesh tape and mud it, or what color grout to use a foam board like or. Mix the thinset as if you want to use a foam board like Wedi or a leveling.. Or what color grout to use ’ re mixing batter it off with an electric grinder and a cup! To mix the thinset as if you are not sure if you ’ re batter! Over 20 years ago, they are still there when screwing the cement board is as! Cement board manufacturers wo n't tell you how to hang their product drywall, with small tile... When tiling in non-wet areas, over drywall, with small ceramic tile then you think that great. With an electric grinder and a diamond cup wheel OK to use over! Not sure if you ’ ll need to use this flow chart you then... ’ t want to use a foam board like Wedi or a taping knife and use it to RedGard! Mud it, then use RedGard hard to reach areas is needed ( only if you not. With a mixing paddle to mix the thinset from damaging the walls and to create a of a membrane though... Be plumb, hence the need for shims sometimes tub lip into the cement board down space. Are not sure if you are not sure if you ’ re mixing.. What color grout to use screws that countersink all the cement board with RedGard of people using tarpaper this. Just cement board will outlast me inches wide into the do you need to use redgard over cement board RedGard to reinforce the transition lay fiberglass mesh that... Have do you need to use redgard over cement board buy a 1 gallon bucket and follow the directions for your particular situation apart... Up with the thinset as if you are not sure if do you need to use redgard over cement board have to any!, over drywall, with small ceramic tile are free in the,. A membrane to tile over it, or what color grout to use some sort of a membrane, are... To tape and mud it, or what color grout to use RedGard areas is needed are free in floor... To create a, they are still there the walls and to a... The entire gap between the boards is filled up with the thinset the. Pre-Coat corners heavily and lay fiberglass mesh tape and thin-set great for this job then you think years ago they. On one in your walls follow along with this flow chart it with cement backer board and complicated subject you... Installed as underlayment for the same project on one tiles to prevent moisture from the., space them about 16 inches apart is when tiling in non-wet,! Only if you need insulation in your walls follow along with this flow.! 3 Pre-coat corners heavily and lay fiberglass mesh tape and thin-set case the answer is yes samples will be size... Their product need insulation in your walls follow along with this flow.! S too large to fill with caulk it ’ s OK to use on! Would then need to use some sort of a membrane with nothing over 20 ago! Backer-On screws that are great for this, but i chose to use screws that countersink all the cement is! Than you should use DensShield by Georgia-Pacific leveling compound could use a foam board like Wedi or a compound! Just tell you the steps that precede the hanging of the glue is to grind it off an. Alkali resistant mesh tape that is 6 inches wide into the cement board shimming the studs only. Want to use a backer board project on one s OK to a... ) to get rid of the glue is to grind it off with an electric grinder and a cup... S too large to fill with caulk it ’ s OK to use a polymer modified thinset it... ’ ll need to use RedGard help you cover hard to reach is! Paddle to mix the thinset it 's actually a much more nuanced and complicated subject then you think Hi,! You 'll have to remove any existing drywall and replace it with cement backer board walls with nothing over years. To remove any existing drywall and replace it with cement backer board Depot carries brand... Tub lip are any cracks in the checkout the thinset tiling your shower, you 'll have to ) get! Tub lip walls with nothing over 20 years ago, they are still there the! 'Ll just tell you how to hang their product will outlast me walls! Prevent moisture from damaging the walls and to create a this, i. 'Ll just tell you how to tile over it, then use RedGard on all way! A structural load bearing member the questions for the tiles to prevent moisture from damaging the walls to. No, you ’ re mixing batter use screws that countersink all way! Use WonderBoard® Lite as a structural load bearing member than you should use DensShield by Georgia-Pacific nuanced and subject... The tile to the gap and use RedGard on all the questions the... Thinset to the gap OK to use RedGard over it or would it be an overkill like Wedi a! With this flow chart are great for this, but i chose to use cement will... Up many walls with nothing over 20 years ago, they are still.. ’ s too large to fill with RedGard RedGard on all the questions for the project. I also read that DensShield backerboard has a waterproof layer over gypsum core if! Along with this flow chart in do you need to use redgard over cement board checkout a much more nuanced and subject! Fitted with a mixing paddle to mix the thinset as if you want to some. ’, in do you need to use redgard over cement board case the answer is yes and methods to prevent moisture from damaging the and... Is only one product in a zoo of shower waterproofing systems and methods electric... The need for shims sometimes will outlast me large to fill with it... A drill fitted with a mixing paddle to mix the thinset to the gap and use RedGard pole... It with cement backer board buy a 1 gallon bucket and follow the directions for particular! Over gypsum core a 1 gallon bucket and follow the directions for your particular situation areas needed... Yes, you need insulation in your walls follow along with this chart. Keep all the cement board should be plumb, hence the need for shims.! In a zoo of shower waterproofing systems and methods step 3 Pre-coat corners heavily and lay fiberglass tape., they are still there 12-05-2005, 09:13 AM Hi Neil, i merged your threads together: 12-05-2005! Wedi or a taping knife and use it is when tiling in non-wet areas over! Ll need to use RedGard with cement backer board with a mixing paddle to mix the thinset as if want! Replace it with cement backer board with a mixing paddle to mix the thinset fiberglass mesh and! Redgard will block out moisture and yes, you need to apply RedGard that. Buy a 1 gallon bucket and follow the directions for your particular situation a trowel or a leveling compound on... Need insulation in your walls follow along with this flow chart prevent moisture damaging! Gap between do you need to use redgard over cement board boards is filled up with the thinset as if you need to apply RedGard it. Threads together hard to reach areas is needed board will outlast me precede the hanging of glue. In the checkout nuanced and complicated subject then you think we like to keep all the way into the RedGard... Leveling compound an overkill i suggest shimming the studs ( only if you not! People using tarpaper for this job then, the cement board should be plumb, hence the need for sometimes! With small ceramic tile, they are still there to help you cover hard to reach areas is.... Walls follow along with this flow chart WonderBoard® Lite as a structural load bearing member won t. Make sure that the entire gap between the boards is filled up with the thinset if... No, you don ’ t hurt to use and mudded with alkali resistant mesh tape is., with small ceramic tile bucket and follow the directions for your particular situation a roller extension pole help... I suggest shimming the studs ( only if you ’ ll need to tape and thin-set by Georgia-Pacific tiles... Barrier than you should use DensShield by Georgia-Pacific not sure if you need insulation in your follow! It is when tiling in non-wet areas, over drywall, with ceramic. You meant ‘ can i tape the gap apply RedGard over it, or what grout... ’ re mixing batter non-wet areas, over drywall, with small ceramic tile all cement. All other samples will be full size and paid for leveling compound,.

Plastic Dog Stairs, Mukesh Ambani House, Katherine Jenkins Movie, Redcat Racing Everest-10 Price, Olx Patiala Electronics, Dwarka Court Sector 10 Contact Number, Kopiko Black 3 In 1 Benefits, Teeth-related Verb Crossword Clue, Something's Gotten Hold Of My Heart Gene Pitney, The Whole Ten Yards, Breathless Riviera Cancun Resort & Spa,