Products : Setting : Pre-Mixed : SimpleSet® Pre-Mixed Thin-Set Mortar

SimpleSet® Pre-Mixed Thin-Set Mortar

SimpleSet SimpleSet SimpleSet

A no-mix, no-mess alternative to traditional thin-set mortars spreads quickly and easily. Recommended to bond porcelain, stone, marble, granite and ceramic or porcelain tile up to 8" x 8" (20 x 20 cm). Can be used with tile up to 18" x 18" (45 cm x 45 cm), but dry time significantly increases. Call Technical Services at 800-272-8786 for more information. For interior wall and floor installations. Use white SimpleSet when installing lighter-color stone and tile. Exceeds ANSI A136.1 Type I.

  • Features & Benefits
  • Technical Documents
  • Warranty Information

Suitable Tile Types

  • Porcelain
  • Marble, granite, stone (white mortar)
  • Ceramic, mosaic
  • Quarry tile

Suitable Substrates

  • For interior dry areas only
  • Suitable for wet areas such as tub surrounds and shower walls.
  • Concrete, masonry
  • Plaster, gypsum wallboard (dry areas)
  • WonderBoard®, cement backerboards
  • Exterior Grade Plywood (dry areas)
  • Existing ceramic tile


  • Do not bond tile directly to lightweight concrete, gypsum surfaces, hardwood, Luan plywood, particle board, parquet, cushion or sponge-back vinyl flooring, metal, fiberglass, plastic or OSB panels. Contact Technical Services.
  • Do not use on shower floors or areas exposed to prolonged water exposure or steam.
  • Do not use to install fixtures, ungauged stone tile, Saltillo pavers or glass tile.
  • Do not use to install backerboards to subfloors, over a waterproof membrane or to install heating mats or coils. We recommend using a Custom® polymer-modified mortar.
  • When setting moisture sensitive stone, tile or agglomerates use EBM-Lite™ Epoxy Bonding Mortar 100% Solids.
  • Do not use more material than is necessary to bond tiles. If floor is uneven use a LevelQuik® or LevelLite® Self Leveling Underlayment.
  • Installation dry time varies depending on tile size and density, substrate porosity and ambient conditions.


  • 1 gallon (3.78 L) pail
  • 3-1/2 gallon (13.25 L) pail
  • Available in white or gray

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.

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