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PermaSet 275

A portland cement-based, dry-set mortar designed for interior wall and floor installations of ceramic tile.

  • Can be used on walls or floors
  • Good workability
  • Interior applications when mixed with water
  • Exterior applications require the addition of ProSpec B-730 Mortar / Acrylic Additive
  • Exceeds ANSI A118.1 and ISO 13007 C1 when mixed with water
  • Meets ANSI A118.4, A118.11 and ISO 13007 C2S1P1 when mixed with B-730 Mortar / Acrylic Additive

For installation of:
  • Ceramic tile
  • Quarry tile
  • Non-moisture sensitive natural stone*
  • Porcelain tile (when mixed with B-730 Mortar / Acrylic Additive)
  • Up to 8” x 8” ceramic tiles on wall applications
* All natural stone should be tested to be sure discoloration does not occur.
Installation over:
  • Properly cured and finished concrete
  • Cured portland cement mortar
  • Cement backer unit (CBU) - floor and wall
  • Gypsum plaster or gypsum board (dry areas: wall only)
  • ProSpec B-6000 Waterproof / Crack Isolation Membrane*
  • Exterior grade plywood (interior floors only)*
  • Properly prepared tile over tile*
* Requires ProSpec B-730 Mortar / Acrylic Additive.
Note: For other substrates, contact ProSpec Technical Services.

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