Products : Setting : Mastics / Adhesives : OmniGrip® Maximum Strength Adhesive

OmniGrip® Maximum Strength Adhesive

A flexible, high-polymer adhesive for thin-set tile and stone applications. Designed to resist prolonged water exposure and has 33% less shrinkage than traditional adhesives, as well as sag resistance. It can be used for ceramic, mosaic, quarry, pavers, gauged slate, porcelain and gauged stone tile installations on walls, floors or countertops.

  • Features & Benefits
  • Technical Documents
  • Warranty Information

Key Features

  • Ready-to-use - Just spread and set
  • Sets marble, granite, porcelain and ceramic tile
  • Shrink and sag resistant
  • Use on walls, floors and countertops

Suitable Tile Types

Vitreous, semi-vitreous or non-vitreous tile: ceramic and impervious porcelain up to 18"x18"

Suitable Substrates

  • Concrete, mortar beds, masonry, Portland cement plaster
  • WonderBoard® Lite, cement backerboards
  • Exterior Grade Plywood (EGP) - interior residential and light commercial dry areas
  • Gypsum wallboard (interior dry areas)
  • Existing ceramic tile
  • Fully-bonded sheet vinyl flooring
  • Plastic laminates
  • Cutback adhesive (see preparation instructions)

Composition & Materials

Proprietary blend of acrylic copolymers, calcium carbonate and inorganic materials.


  • 33% less shrinkage than traditional adhesives for maximum coverage and bond
  • Lightweight Weighs 33% less than traditional adhesives
  • Exceeds ANSI A136.1, Type 1 standards for prolonged water exposure
  • Suited for ceramic floor tiles to 16" x 16" (40 x 40 cm) and stone floor tiles to 12" x 12" (30 x 30 cm)
  • Flexible for increased crack resistance


  • Do not bond directly to hardwood, Luan plywood, particle board, parquet, cushion or sponge-back vinyl flooring, metal, fiberglass, plastic or OSB panels.
  • When setting moisture sensitive natural stone, cement or agglomerate tile, check with Custom Technical Services; use EBM-Lite™ Epoxy Bonding Mortar 100% Solids or CEG-Lite™ 100% Solids Commercial Epoxy Grout.
  • Not recommended for installing tile larger than 6"x6" over waterproofing membranes.
  • Do not use to install resin-backed marble of stone; use EBM-Lite™ Epoxy Bonding Mortar 100% Solids or CEG-Lite™ 100% Solids Commercial Epoxy Grout.
  • Recommended for interior use only. Do not use for steam rooms, shower floors or underwater. For those installations, use CUSTOM® Polymer-Modified Mortar Systems.
  • Not for use over radiant heat systems.
  • Installation dry time varies depending on tile size and density, substrate porosity and ambient conditions.
  • Do not use to install fixtures, ungauged natural stone, gauged stone thicker than 3/8" (9.5 mm), transparent glass tile, Saltillo pavers or lug back tile on floors.


  • 1 gal (3.78 L) pail
  • 3.5 gal (13.25 L) pail
  • 1 qt (0.95 L) pail Canada only
  • White

Technical Data

Applicable Standards

American National Standards Institute (ANSI)  ANSI A108.4 and A136.1, Type 1 American National Standards for the Installation of Ceramic Tile

Tile Council of North America (TCNA) TCNA Handbook for Ceramic Tile Installation, TCNA Method EJ171


Technical Data Sheet Technical Data Sheet - French Technical Data Sheet - Spanish Material Safety Data Sheet - English Material Safety Data Sheet - French

Product Warranty

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.

Warranty Duration

When OmniGrip® Maximum Strength Adhesive is used as a part of a qualifying full installation system of CUSTOM products, the installation can qualify for up to a 15 year 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

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