ProLite® RS Premium Rapid Setting Large Format Tile Mortar

Product ID: TDS-121

Rapid setting version of ProLite. Grout in unders 3 hours with light traffic in 4 hours.
This exceptional handling mortar is iIdeal for setting large and heavy tile on interior or exterior floors and walls. A 30lb. bag has the same coverage as a 50 lb. bag. Non-sag, non-slump formulation capable of medium bed applications up to 3/4″.

  • Fast curing – Grout in 3 hours, open for traffic in 4 hours
  • Non-slump for floors, sag and slip resistant for walls
  • Lightweight – 30 lbs. covers the same area as 50 lbs. of traditional mortar
  • Exceeds ANSI A118.15FHT, A118.11
Related Product(s)
Materials Calculator Determine how much material you need for your project.

Coverage Chart

SQUARE FOOT COVERAGE PER 30 LB BAG (SQUARE METER PER 13.6 KG)

Trowel Size Min Coverage Max Coverage
Longest side of tile less than 8" use1/4" x 1/4" x 1/4" (6 x 6 x 6 mm) Square-Notch 90 sq. ft. (8.4 M²) 100 sq. ft. (9.3 M²)
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 63 sq. ft. (5.9 M²) 70 sq. ft. (6.5 M²)
Longest side of tile more than 15"+ 1/2" x 1/2" x 1/2" (13 x 13 x 13 mm) Square-Notch 45 sq. ft. (4.2 M²) 50 sq. ft. (4.6 M²)
Longest side of tile more than 15"+ 3/4" × 9/16" × 3/8" (19 × 14 × 9.5 mm) U-Notch 36 sq. ft. (3.3 M²) 40 sq. ft. (3.7 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 CustomBuildingProducts.com or contact CUSTOM Technical Services at 800-282-8786.