PS40 LHT—ANSI A118.11 Premium Large Heavy Tile Mortar

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PROFLEX®  PRO-STICK 40 LHT is a (ANSI 118.11) latex modified, large heavy tile mortar composed of sand, cement, and resins used to adhere a variety of tile surfaces, natural stone, marble, and granite, to approved substrates. Specially formulated to hold large format tiles and stone surfaces in place on vertical surfaces, and reduces unevenness caused by setting tile on horizontal surfaces. PRO-STICK 40 LHT is applied in thickness from 3/16 to 3/4 inches to adhere marble, granite, and tile, to plaster, drywall, concrete, and masonry surfaces. Designed to set tiles vertically of up to 5 lbs. per sq. ft. (Larger sized units must be field tested to determine suitability).

Advantages

  • Supports heavy tile and stone
  • Suitable for both interior and exterior applications
  • Exceeds ANSI A118.4 and ANSI A118.11 specifications
  • Vertical tile installations up to 5 lbs. Per sq. ft.

Uses

For installation of: Ceramic tile, Pavers, Quarry tile, Porcelain tile, Clay bodied tile, High bottom lugged tile, Marble, Granite, Mosaic, large format tiles, Vertical tile installations up to 5 lbs per sq. ft

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

Shear Strength  7 days (psi) 28 days (psi)
Quarry Tile 250-300 550-600
Mosaic Tile 250-300 350-400
Glazed Wall Tile  400-450 450-500
Compressive Strength 4000-4500 6000-6500
Adjustability  15 minutes
Open Time 60 minutes
Final Set 6-8 hours
Recommended Trowel Sizes

3/4” x 9/16” x 3/8” U Notch trowel 34 – 38 sq. ft., 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, Exterior Grade Plywood, Plastic Laminate, Masonry Surfaces, Proflex Membranes and Underlayments (see warranties)

Packaging

50 lb. bag; 56 bags per pallet