Product ID: TDS-309
Premium quality, polymer-modified mortar for natural stone or large format tile 15″ (38cm) or larger on one or more sides. Can be used for clay pavers or other thin or medium bed applications (up to 3/4″ thick). Non-slumping formula minimizes lippage.
Formerly named Marble, Granite & Travertine Premium Mortar
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 | 90 sq. ft. (8.4 M²) | 100 sq. ft. (9.3 M²) |
| Longest side of tile 8" to 15" use1/4" 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"+ use 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"+ use 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.
