Quality begins from the ground up.
Preparing your surface is the most critical task of any tile or stone installation. Custom Building Products offers you one source for the needs of virtually any job.
The foundation of precise tile and stone setting.
Whatever the application, CUSTOM® offers the broadest line of tile and stone setting materials in the industry to give the exact performance your job demands.
Tile grout with dependable performance and color.
Look for tile grout with rock-solid durability, consistency and the largest color palette with Custom. Our grouts are easy to work with yet deliver hard, dense joints.
Care & Maintenance
Stains can RUIN Stone & Tile.Protect Yours Now!
Stains on stone, tile or grout happen easily - and can leave permanent stains. Protect your surface against both oil-based and water-based stains with the right sealer.
Professional Solutions for Professional Results
Offering the largest selection of Sealers, Cleaners, Problem Solvers, Grout Colorant and Stone Restoration products, we provide professionals with the right tools and solutions; making us the #1 Contractor Preferred Manufacturer of Sealers and Cleaners.
CustomTech Flooring Prep
Designed for your floors.
CustomTech – the industry’s leading collection of technologically-superior, easy-to-use, professional grade subfloor preparation products designed for all types of floor coverings.
Flooring Installation Systems
Start with a strong foundation.
Increase the durability of your floor covering installation by ensuring that your subfloor is properly prepared. CUSTOM® Flooring Installation Systems provide a strong foundation for virtually any project, and deliver optimum performance when used under all types of floor coverings: carpet, wood, vinyl and more.
Profiles & Transitions
Discover a better choice in high-quality profiles and transitions. Create stunning designs in tile and stone without unsightly edges.
A complete line of high performing, aesthetically pleasing edge-protection profiles. Available in the most popular designs and styles, they integrate with most field tile to increase design flexibility and minimize safety risks.
Tools & Accessories
Precision demands the best.
SuperiorBilt® Tools are professionally preferred for tile, stone and floor covering installations.
Products : Surface Prep : Waterproofing Membranes & Underlayments : RedGard® Uncoupling Mat
A waterproof, vapor-proof uncoupling membrane that can be used for crack-isolation in most tile, porcelain or natural stone installations, and can be applied over challenging substrates such as installation over green (young) concrete and single ply 19.2" (49 cm) o.c. wood framed floors. RedGard® Uncoupling Mat is designed differently than bonded membranes. When exposed to excessive substrate movement it absorbs stress and preserves the surface and integrity of the tile. RedGard® Uncoupling Mat's bonding layers have reinforced fleece which locks mortar into the mat, ensuring strong, reliable installations.
American National Standards Institute (ANSI) ANSI A108.01, A108.17, A118.10 and A118.12 American National Standards for the Installation of Ceramic Tile ASTM International (ASTM)
Tile Council of North America (TCNA) TCNA Handbook for Ceramic Tile Installation, TCNA Method EJ171, F125, F147, F148, F128 & F125A
Installation must comply with the requirements of all applicable local, state and federal code jurisdictions.
Custom® Building Products is committed to environmental responsibility in both products produced and in manufacturing practices. Use of this product may contribute to LEED® certification.
Exterior and wet areas must have proper sloping to drains. All surfaces must be structurally sound, clean, dry and free from contaminants that would prevent a strong bond. Newly prepared concrete must be troweled smooth and textured to a fine broom finish. Existing surfaces must be scarified and leveled, and all defects must be repaired. Cracks exceeding 1/8" (3 mm) should be treated in accordance with TCNA F125 or TCNA F125A. Below are recomended methods for surface preporation. The use of a bonding primer, CUSTOM's MBP Multi-Surface Bonding Primer, may be an acceptable alternative. All exterior applications must be properly and uniformly sloped away from structures or to drains.
Expansion joints and cold joints, as described in ANSI A108.01, should never be bridged with setting material. They must be brought through the tile work and filled with an appropriate elastomeric sealant, such as Custom's 100% Silicone. Contact Custom's Technical Services for additional information regarding questions about the proper treatment of control or saw cut joints. Refer to TCNA EJ171, F125 & F125A.
Wear impervious gloves and eye protection while using this product. Avoid contact with eyes or prolonged contact with skin. Wash thoroughly after handling. If eye contact occurs, rinse cautiously with water for several minutes, remove contact lenses if easy to do: continue rinsing. Immediately seek medical advice if symptoms are significant or persist. Do not take internally. KEEP OUT OF REACH OF CHILDREN.
Gypsum substrates must have a PSI greater than 2000 and must first be primed or sealed per manufacturer's instructions. When using thin-set applied RedGard® Uncoupling Mat, all gypsum substrates must be coated with RedGard® Waterproofing and Crack Prevention Membrane or Custom® 9240 Waterproofing and Anti-Fracture Membrane.
Plywood flooring including those under resilient flooring must be structurally sound, built to industry standards, and deflection should not exceed L/360 for tile or L/720 for natural stone. Minimum 5/8" plywood over 16" oc joist spacing is required.
Resilient flooring or plastic laminates must be well-bonded, clean and free of all contaminates. Roughen the surface by sanding or scarifying, rinse and allow to dry. Do not sand flooring containing asbestos. For existing well-bonded ceramic tile, mechanically abrade with carborundum stone. Rinse and allow to dry. When sanding we recommend the use of an approved respirator.
Mortar and Notch Requirement
Using a thin-set mortar that meets ANSI A118.4, A118.15 and/or A118.11, apply the thin-set mortar using either a 5/16" x 1/4" (7. 9 x 6.4 mm) V-notch trowel or a 1/4" x 1/4" (6.4 x 6.4 mm) square notch trowel (recommended) to the substrate. Be careful not to trowel out more mortar than you can cover in the specified open time with RedGard® Uncoupling Mat.
Installing RedGard® Uncoupling Mat
Apply the RedGard® Uncoupling Mat to the floor, fleece side down. Embed the matting into the bonding mortar using a float or screed joining sections of mat, simply align end and side sections of adjacent sheets. Occasionally check the transfer of the bonding mortar to the mat. Lift up a corner of the matting to check coverage. Proper installation results in full contact between the fleece webbing and the thin-set mortar.
Each roll of RedGard® Uncoupling Mat is waterproof and offers vapor management. For a waterproof installation, install rolls in parallel strip, eliminating as many seams as possible. Ensure that all joints are butted tight, and use RedGard® Seam Tape (sold separately) according to instructions to ensure the floor is waterproof.
Installing Tile Over RedGard® Uncoupling Mat
Tile can be installed over RedGard® Uncoupling Mat as soon as it has been pressed into place. While working on the mat, place boards on the mat directly under you to prevent damage. Flat coat an ANSI A118.4 mortar, being sure to completely fill all of the depressions in the mat first. Then, thin-set and comb additional mortar using a trowel that is appropriate for the size of the tile. Completely embed the tiles in the setting material. Periodically remove and check a tile to ensure that full coverage is being attained.
As described in the TCNA Handbook for Ceramic Tile Installation, a polymer modified (ANSI A118.4) mortar is required for the installation of porcelain tile, and an ANSI A118.11 mortar should be used when bonding to exterior glue plywood. Custom® Building Products supports the use of polymer modified mortars whenever required. For tile over 15" on one or more sides, use a polymer modified mortar designed for large and heavy tile. Rapid setting mortars and grouts are recommended for exterior applications to help prevent efflorescence.
Install tile or stone with a Custom® Building Products polymer-modified mortar that meets ANSI A118.4, A118.15 or A118.11 standards.
Clean tools and hands with water before material dries.
Properly installed product requires no special maintenance. Do not use as a wear surface.
Custom® Building Products warrants to the original consumer purchaser that its product shall be free from defects in material and workmanship under normal and proper usage for a period of one year following the date of original purchase. CUSTOM's sole liability under this warranty shall be limited to the replacement of the product. Some states, countries or territories do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty will not extend to any product which has been modified in any way or which has not been used in accordance with CUSTOM's printed instructions. CUSTOM makes no other warranties either expressed or implied. This warranty gives you specific legal rights, and you may have other rights that vary from state to state or from one country/territory to another. This warranty is not transferrable.
When the RedGard® Uncoupling Mat is used as a part of a qualifying full installation system of CUSTOM products, the installation can qualify for up to a lifetime system warranty. CUSTOM will repair and/or replace, at its discretion, the affected area of the system. For more information, find details and limitations to this warranty at custombuildingproducts.com.
CUSTOM BUILDING PRODUCTS
Mailing Address Custom Building Products 7711 Center Ave. Ste 500 Huntington Beach, CA 92647
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