Complete Contact™-LFT Premium Rapid Setting Large Format Tile Mortar

Product ID: TDS-245

Full contact, rapid setting medium bed mortar designed for large format tile floors without the need for backbuttering. Grout in as little as 2 hours. Light traffic in 4-6 hours.

  • Flowable properties reduce the need for back-buttering
  • Non-slump – For use as a thin or medium bed mortar up to 3/4″
  • Exceeds ANSI A118.15F and A118.11

Coverage Chart


Trowel Size Min Coverage Max Coverage
Longest side of tile 8" to 15" use 1/4" x 3/8" x 1/4" (6 x 9.5 x 6 mm) Square-Notch 56 sq. ft. (4.6 M²) 63 sq. ft. (6.0 M²)
Longest side of tile more than 15"+ use 1/2" x 1/2" x 1/2" (13 x 13 x 13 mm) Square-Notch 40 sq. ft. (3.7 M²) 45 sq. ft. (4.2 M²)
Longest side of tile more than 15"+ use 3/4" x 9/16" x 3/8" (19 x 15 x 9.5 mm) U-Notch 32 sq. ft. (3.0 M²) 36 sq. ft. (3.3 M²)

Chart for estimating purposes. Coverage may vary based on installation practices and jobsite conditions. For more sizes, use the material calculator at or contact CUSTOM Technical Services at 800-282-8786.

Recommended minimum coverage (80% for dry areas and 95% for wet areas and exteriors). Back buttering may be necessary.

Note that mortar coverage does not include backbuttering tiles. When backbuttering, consider the tile underside pattern and depth to estimate thickness and usage to add to your estimate.

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