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 tools and solutions needed to stake their reputations on; 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 : Flooring Installation Systems : Patching : GeneralPatch Calcium Aluminate Based Patch
GeneralPatch is a fast-setting, calcium aluminate compound that provides a smooth finish on interior subfloors prior to the installation of a wide variety of floor coverings. Mix with water only to patch and level concrete and plywood up to 2" (50 mm) thick. Install floor coverings in just 30 – 90 minutes.
Suitable as an Underlayment for:
ASTM International (ASTM)
Resilient Floor Covering Institute (RFCI) Recommended Work Practices for Removal of Resilient Floor Coverings
Tile Council of North America (TCNA) TCNA Handbook for Ceramic Tile Installation, TCNA Method EJ171.
American National Standards Institute (ANSI) ANSI A108.01 and A108.02 of the American National Standards for the Installation of Ceramic Tile
Installation must comply with the requirements of all applicable local, state and federal code jurisdictions.
GeneralPatch is a blend of calcium aluminate cement, inorganic fillers and polymers.
Custom Building Products is committed to environmental responsibility in both products produced and in manufacturing practices. Use of this product can contribute to LEED® certification.
All surfaces must be structurally sound, clean, dry and free from contaminants that would prevent a good bond. Concrete must be fully cured. Refer to final flooring manufacturer's requirements for maximum moisture vapor transmission limitations. Smooth concrete surfaces, existing glazed tile, terrazzo, or polished stone may need to be roughened or scarified. For increased performance in demanding applications, concrete surfaces can be mechanically profiled and prepared by shotblasting, sandblasting, water-jetting, scarifying, diamond-grinding or other engineered approved methods (reference ICRI CSP 3 standards for acceptable profile height). Sheet vinyl must be well bonded and stripped of old finish.
Bonding to OSB and Gypsum SurfacesOSB or gypsum-based underlayments must first be treated with RedGard® Waterproofing and Crack Prevention Membrane and must obtain a minimum 2000 psi (13.8 MPa) compressive strength at the recommended cure time. The underlayment must be sufficiently dry and properly cured to the manufacturer's specifications for permanent, non-moisture permeable coverings. Surfaces must be structurally sound and subject to deflection not to exceed the current industry standards All OSB and gypsum-based underlayment surfaces to receive GeneralPatch must be primed with properly applied sealer or a primer coat of RedGard®, consisting of 1 part RedGard® diluted with 4 parts clean, cool water. The primer can be brushed, rolled or sprayed to achieve an even coat. Apply the primer coat to the floor at a rate of 300 ft/gallon (7.5 M/L). Drying time depends on site conditions, but is normally less than 1 hour. Extremely porous surfaces may require 2 coats.
This product contains Portland cement. Avoid eye contact or prolonged contact with skin. Wash thoroughly after handling. If eye contact occurs, flush with water for 15 minutes and consult a physician. Use with adequate ventilation; do not breathe dust and wear a NIOSH approved respirator. If ingested, do not induce vomiting; call a physician immediately.
Contaminants or curing compounds should be mechanically removed before installation. Concrete must be free of efflorescence and not subject to moisture beyond the floor covering manufacturers' limits or hydrostatic pressure. Lightweight concrete surfaces must have a tensile strength in excess of 200 psi (1.4 n/mm²).
Plywood floors, including those under resilient flooring, must be structurally sound and must meet all industry guidelines. For questions about proper subfloor installation, call Custom® Building Products.
Adhesive layers must be removed. Use extreme caution; adhesives may contain asbestos fibers. Do not sand or grind adhesive residue, as harmful dust may result. Never use adhesive removers or solvents, as they soften the adhesive and may cause it to penetrate into the concrete. Adhesive residue must be wet-scraped to the finished surface of the concrete, leaving only the transparent staining from the glue. To determine desirable results, do a test bond area before starting. Refer to the RFCI Pamphlet, "Recommended Work Practices for Removal of Resilient Floor Coverings", for further information.
Mix 1 gal (3.78 L) clean, cool water to a 25 lb (11.34 kg) bag of GeneralPatch or for smaller jobs, use 3 parts powder to 1 part water.
Slowly add powder to liquid while mixing with a high speed drill (650 RPM or more) and mixing paddle to a lump-free consistency. Mix amounts that can be applied in 10 minutes.
USE CHEMICAL-RESISTANT GLOVES, such as nitrile, when handling product.
Apply material into all voids up to 1" (25 mm) thickness using a broad knife or trowel and finish flush with surface. For skim coating, use a smooth edged trowel to flatten the surface area. Only spot patching should be done on wood surfaces. If an area more than 5 ft. (1.5 M) in diameter is required, use an appropriate Custom® self-leveling underlayment.
Allow to dry for 30 – 90 minutes. Drying time can vary with thickness, temperature and humidity.
Clean with water before material dries.
Properly installed product requires no special maintenance.
25 lb (11.34 kg) Bags
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.
SQUARE FOOT COVERAGE PER 25 LB BAG (SQUARE METER PER 11.34 KG). Coverage will vary depending on the texture of the surface being smoothed.
CUSTOM BUILDING PRODUCTS
Mailing Address Custom Building Products 7711 Center Ave. Ste 500 Huntington Beach, CA 92647
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