VersaBond®-LFT RS Rapid Setting Large Format Tile Mortar

Product ID: TDS-450

Versabond®-LFT RS professional grade adhesive mortar is a rapid setting, non-sag, nonslump, polymer modified mortar for use with large format porcelain, ceramic and natural stone tile. With a non-slumping formula to eliminate lippage, Versabond®-LFT RS can be applied to ¾” (19mm) thick on horizontal surfaces. Suitable for floors and walls, Versabond®-LFT RS exceeds ANSI A118.4FHT and A118.11.

Excellent open time and grout in just 2 hours!

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 60 ft² (5.6 M²) 67 ft² (6.2 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 42 ft² (3.9 M²) 47 ft² (4.4 M²)
Longest side of tile more than 15"+ use 3/4" × 9/16" × 3/8" (19 × 14 × 9.5 mm) U-Notch 34 ft² (3.2 M²) 38 ft² (3.5 M²)

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.

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.