Product ID: TDS-122
Full contact, rapid setting medium bed mortar designed for installation of standard size tile without the need for backbuttering. Grout in as little as 2 hours. Light traffic in 4-6 hours.
SQUARE FOOT COVERAGE PER 50 LB BAG (SQUARE METER PER 22.68 KG)
| Trowel Size | Min Coverage | Max Coverage |
| Longest side of tile less than 8" use 1/4" x 1/4" x 1/4" (6 x 6 x 6 mm) Square-Notch | 80 sq. ft. (7.4 M²) | 90 sq. ft. (8.4 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 | 56 sq. ft. (5.2 M²) | 63 sq. ft. (5.9 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" × 9/16" × 3/8" (19 × 14 × 9.5 mm) U-Notch | 32 sq. ft. (3 M²) | 36 sq. ft. (3.3 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.
