Hunker may earn compensation through affiliate links in this story. She is set to graduate in the spring of 2011 with her bachelor's degree in technical communications. Can a liquid waterproofing membrane (such as Mapei AquaDefense, Mapei HPG, or RedGuard) be used under vinyl peel and stick flooring? Installing tile over a wood subfloor is a lot easier today than it was when I started my remodeling career. When it dries, it is a solid, dark red, so you know when it is time to apply thin-set mortar and tiles. thank you for help. When RedGard is wet, it is a hot, fluorescent pink color. It is most important that you wait for the color of the product to turn completely red as ambient conditions will make the dry time vary. Yes, since you already have it there just sand it down and apply redgard over it. Using RedGard under floor and wall tile will create a barrier that will be undisturbed after the tile is installed and grouted. By creating an account you agree to the Hunker, Custom Building Products: RedGard Waterproofing and Crack Prevention Membrane Data Sheet, Custom Building Products: FlexBond Fortified Thin-Set Mortar. still soft after 4-5 days. Allow the grout to cure for 72 hours before applying grout sealer. Contrary to popular belief, ceramic tile and grout, by themselves are not waterproof. Once the tile is set, do not touch, move, or walk on the tile for 24 hours to allow the thin-set to cure undisturbed. Wanting to install these tiles in a basement, but I'm not too keen on the idea of laying a vinyl sheet floor prior to installing the peel and stick, nor am I wanting to utilize a secondary adhesive. Going to paint on a Mapei primer for putting tile over tile. Add water to dry-mix grout and mix the grout up so it is the consistency of peanut butter. The reason that I don’t recommend the mesh tape with step one (silicone) is that the silicone will act as a bond breaker to thinset if it’s smeared over the surface. After the tile work is properly set, follow the architect's and manufacturer's instructions to … RedGard Waterproofing and Crack Prevention Membrane - Gallon Ready-to-use, elastomeric, waterproofing and crack prevention membrane for all interior or exterior commercial and residential tile and stone installations. Press tile firmly into place in a perpendicular motion across ridges, moving back and forth. There are only two schools of thought as to whether you should install a pre-slope in your shower pan. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Allow the RedGard membrane to cure for 1 to 1 1/2 hours. Drywall (sheetrock) falls apart when it gets wet. I plan on dry laying them out. Also, can the same thinset be used for floor tile in the same bathroom? Introducing the latest addition to the RedGard family of products. Now however I am concerned that the Armstrong S288 Adhesive may not be compatible with the Redguard. Have tried this myself. Click to see full answer. It is also heatproof, so it won't lose its grip in hot environments. Looking for a rec for the best thinset to use in over Redgard waterproofer on a bath surround install. Failure to do so can lead to problems with the adhesive you have now, since it isn't rated to go over the RedGard. Use the mortar above or similar bagged mortar and mix with water to give yourself a much sturdier and professional tile installation. Large format tiles like a large format trowel. JavaScript is disabled. Grout sealer helps fill in the spaces between tiles. Thanks, Bob Suited for interior substrates, RedGard SpeedCoat creates a continuous waterproofing barrier with outstanding adhesion. please advise. The membrane material is also installed. Pre-coat corners heavily and lay fiberglass mesh tape that is 6 inches wide into the wet RedGard to reinforce the transition. Clean tools and hands with water before the RedGard dries. You''ll be fine with thinset over Redguard on walls. dried like mastic on cbd. To prevent water damage, you must install a waterproof membrane just below the tile bonding mortar as close to the tile as possible. It's recommended for waterproofing niches, shelves, and entire shower walls when tar paper or poly are not used as a vapor barrier behind the CBU. Apply a minimum 3/64" (1.2 mm) of RedGard® over the joint and the substrate, following the instructions provided previously. Yes, the modified thin set will bond well to Redgard and will cure just fine. This tool is gold for mixing small batches of material, scooping it from the bucket, and for spreading it around on the floor. Wipe the grout haze off of the tiles with a damp sponge. ... Seal and secure your tile floor or wall with our selection of grouting products. I am going to use marble mosaic pinwheel tile in 12″ x 12″ mats. Substrate is 1/2" hardibacker and tile will be a standard white subway with grey grout. You''ll be fine with thinset over Redguard on walls. According to Red Guard, you need to prime the cement board with basically a diluted version of the Red Guard. For ceramic tile over a waterproofing membrane, use regular modified thinset mortar (large format adhesive for tiles over 15"). She has been writing for various websites since March of 2009. Water damage prevention is active from both sides of the RedGard membrane. RedGard can also be used as a crack prevention membrane. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! We just had a tile disaster (using mastic for large format wall tiles and pulled out the levelers after 3 days only to find the tiles sagging / lipping) and wanted to get all residue of the mastic (Mapei Premium Stone and Tile Premix) off of the Red Guard. what should i do now? If you are installing porcelain or glass over Redguard, use the unmodified product, as modified won't set between two oxygen-barrier surfaces (although Custom does approve Versabond Flex for porcelain over Redguard That is ,dried adhesive with trowel marks on the subfloor and no glue on board. Kelly Nuttall is a student at Utah Valley University in Orem, Utah. Professional Tile Adhesive Type 1 is a professional-grade, traditional, nonflammable, acrylic adhesive for setting glazed and unglazed ceramic and porcelain tiles on walls, floors and countertops. Remix the thin-set without adding more water to smooth the mixture again. Unfortunately I discovered about a 6" diameter dip about 1/8" deep in front of the drain where water pools. Use a roller extension pole to help you cover hard to reach areas is needed. It's recommended for waterproofing niches, shelves, and entire shower walls when tar paper or poly are not used as a vapor barrier behind the CBU. You're not supposed to apply a vapor barrier or retarder over the stud and also apply a surface membrane. This finished tile floor is installed over a plywood and cement backer board subfloor. i realized this was a mistake. The first is the belief that a pre-slope is not needed since the top layer of mortar mix will be sloped and the tile adhesive, grout, and tile will deter any significant amount of water from absorbing down to the flat water resistant barrier. Helping You to Do It Yourself! Let this first coat of RedGard dry until the panels appear red in … when all else fails - read the instructions! Easily applied with roller, trowel or sprayer producing a continuous moisture barrier with outstanding adhesion. Install the tile work onto the membrane, but do not bridge the joint. 2): Areas where the redguard is intact on the subfloor and the wood has come off 90%. It's recommended for waterproofing niches, shelves, and entire shower walls when tar paper or poly are not used as a vapor barrier behind the CBU. Do not use unmodified over Redgard. Visual inspection of this area shows 1):lack of glue transfer from floor to wood 5%. Place the mixed grout directly on the tile and spread the grout over the tile, forcing the grout into the grout lines with a rubber grout float. While some types of tile and adhesive have been used for years and remain on the market, new products have been introduced that can lead to some confusion among do-it-yourself installers. Allow the grout to dry for 15 minutes. Spread the thin-set with a notched tiling trowel with notches sized appropriately for the size of the tile being installed. Also question is, how long do you let Thinset dry before applying RedGard? Step 1. i was tiling a smaill area over bath, i used adhesive instead of grout on gaps between ceramic tiles. Professional, ready-to-use tile adhesive. Let me know if you have any additional questions, Home Hardware's got you covered. NEW RedGard Uncoupling Mat -- from Custom Building Products. Do the same for gaps and cracks that are 1/8 inch and wider. now this is just a giant sponge waiting for a leak. they use it everywhere including showers. Putting a product like this in … No matter how firm the subfloor; the plywood will expand and contract at a different rate as the tile, causing cracks to develop in the grout lines or tiles over time. No, you absolutely CAN NOT use tile adhesive (mastic) over the redgard – it will never fully cure. Remix the thin-set without adding more water to smooth the mixture again. Drywall Shower Walls. Can you tile directly over redguard? Allow the thin-set to set up for 5 to 10 minutes. 3) Areas where the wood has stuck to the redgard and the redgard has come off the floor5%. Set the tile into the thin-set while it is still wet. hi, yesterday, i made a DIY mistake. You should also read directions carefully and follow. For a better experience, please enable JavaScript in your browser before proceeding. I assume that using some sort of modified thinset is the answer, but which brand? Smooth the grout lines with a corner of the grout sponge. gc's are using a sound contol in the walls that is dampened with water and sprayed into the wall cavity. redgaurd and mastic over it. Fill all cracks in the substrate that are 1/8-inch wide and larger with RedGard before applying the product over the rest of the substrate. Apply enough thin-set to cover an area that is about 3 feet by 3 feet square. Apply additional adhesive with notch side of trowel held at a 45° angle to the surface, combing in one direction. Mix dry mix fortified thinset mortar with water, a 5-gallon bucket, an electric drill and a thin-set mixer until it is the consistency of peanut butter. RedGard waterproofing membrane is an easy-to-install solution to prevent water leaks through horizontal and vertical installations. Whether you're replacing old grout or working on a new tiling project, you'll want to use the right grout for the job. The color will turn from pink to a solid red sheet with no pink spots when it is fully dry. TILE GUY - retired- TROY, MI - Method & Product suitability consulting. Does anyone have experience installing vinyl glue-down tile over Redguard? Allow the thin-set to set up for 5 to 10 minutes. It bonds directly to clean metal, PVC, stainless steel and ABS drain assemblies. Moisten porous surfaces with a water spray bottle before applying RedGard to the surface. Using flat side of trowel, apply skim coat of adhesive with appropriate size trowel. Thinset tile mortar provides a very strong bond and is resistant to moisture and mold growth. ↩ Can you tile directly over redguard? what will happen if i leave it as it is now? One or the other, but the surface membrane is much preferred. Now I’ve demoed my floor – removed the ugly big brown tile and Armstrong vinyl underneath that (using a hot iron)(whew) and will tile over the original tile left. You'll get a decent bond but your porcelain tiles will not bond as well. Traditional versions are cement-based powders that are mixed with water prior to application. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. This adhesive is used for interior applications only. Poly vapor barrier is only over the studs - not the entire wall. Mix dry mix fortified thinset mortar with water, a 5-gallon bucket, an electric drill and a thin-set mixer until it is the consistency of peanut butter. Thinset is your go-to tile mortar for most indoor and outdoor applications. I have looked at both datasheets (Redguard and s288) and don't see anything really conclusive. Now you know not to take advice only from nice people wearing vests, regardless the color. Move the mixed thinset from the mixing bucket to the RedGard membrane, using a margin trowel. Roll RedGard onto the substrate with a 3/4-inch nap roller cover and a roller frame. Looking for Adhesives & Grout? Hereof, how long does RedGard need to dry before tiling? Also use a notched trowel. I installed a pre-sloped 32"x60" foam shower base with offset drain. You''ll be fine with thinset over Redguard on walls. Tile adhesives and the types of tile being installed have undergone many changes over the years. RedGard SpeedCoat is a ready-to-use, water proofing membrane for both commercial and residential ceramic and natural stone tile installations. Also Know, can you tile over waterproof membrane? Use a flat edged trowel to screed a layer over the floor before combing it out. Use powdered thinset that you mix with water. stapled the one side of studs with poly vapor barrier. Since thinset tile mortar has … Secondly, does tile stick to Redgard? Suited for interior and exterior substrates, RedGard® creates a continuous waterproof membrane barrier with outstanding adhesion and reduces crack transmission in tile and stone floors. however, redguard ,skim coat of thinset and mastic was fine. Thinset tile mortar has a smooth, slippery consistency, similar to mud. You cover hard to reach Areas is needed browser before proceeding prevention membrane it down and apply RedGard it. Is dampened with water and sprayed into the wet RedGard to the surface, in. 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