Polymer Modified Mortars

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ANSI A118.4 Multi-Purpose Thinset Polymer Modified Mortars

PROFLEX® PRO-STICK 32 thin set mortar has superior performance and workability characteristics not found in regular thin set mortars, along with an extended open time. When mixed, it produces a creamy, easy to spread mortar specially developed for the professional tile setter. For commercial and residential use.


  • ANSI A108.5. ANSI A118.1, ANSI A118.4 compliant
  • Extended open and working time
  • High strength for a variety of applications


For installation of: Ceramic tile, Pavers, Quarry tile, Porcelain tile, Clay bodied tile

For installation over: Tile backer board, Plumb and true masonry, Properly cured and finished concrete, Gypsum plaster, gypsum block or gypsum board (dry areas – walls only,) Cured portland cement mortar.

Shear Strength  7 days (psi) 28 days (psi)
Quarry Tile 100-150 225-250
Mosaic Tile 200-225 250-275
Glazed Wall Tile  150-200 300-350

Compressive Strength 

1500-2000 3500-4000
Adjustability  20 minutes
Open Time 50-70 minutes
Final Set 6-8 hours



Recommended Trowel Sizes

1/2” x 1/2” x 1/2” square notch trowel 40-50 sq. ft. , 1/4” x 3/8” x 1/4” square notch trowel 70-80 sq. ft.

Suitable Surfaces

Backer Boards, Plumb and True Masonry, Cured and Finished Concrete, Gypsum Wallboard (dry areas only), Cured Portland Cement


50 lb. bag; 56 bags per pallet