Tec Sturdi Flex Mortar Gray Mortar 50lb Thin Set TA-345

Coverage will vary with condition of substrate. Required trowel size will vary with the tile size, type and substrate uniformity. Select the trowel size that will ensure 100% coverage. Figures below are presented only as guidelines. Trowel Size Approximate Coverage per 50 lbs. (22.68 KG) 1⁄4" x 1⁄4" x 1⁄4" 80-90 sq. ft. (6 x 6 x 6 mm) (7.4-8.4 m2) square-notch trowel 1⁄4" x 3⁄8" x 1⁄4" 55-65 sq. ft. (6 x 9 x 6 mm) (5.1-6 m2) square-notch trowel Suitable Substrates When properly prepared, acceptable substrates include: • Cured concrete, cured mortar beds, brick and masonry (interior and exterior installations) • APA Grade Trademarked Exposure 1 Plywood [Underlayment grade or better, two layers, 11⁄8" (28 mm) total minimum thickness, 16" OC (40 cm), interior floors only]. • Gypsum wallboard (dry interior wall areas only) • Water resistant gypsum wallboard (e.g.: greenboard, interior walls only, dry to intermittent water exposure only) • Cementitious backer units (CBU) or glass mat backer board • Existing ceramic tile and natural stone, provided existing flooring is well-bonded to an approved substrate. • Vinyl composition tile, asphalt tile, linoleum or non-cushioned vinyl sheet goods, provided such surfaces are single-layered, well-bonded to an approved substrate and properly prepared. • Adhesive residue (except tacky or pressure-sensitive adhesive) d free from oil, grease, dust, paint, sealers or concrete curing compounds. All contaminants should be removed prior to installation of tile. Surface protrusions and tile glazes shall be removed by sanding, scraping or scarifying. After preparation, remove all dust by vacuuming. Note: Vinyl asbestos tile or any substrate containing asbestos shall not be sanded, scored or scarified because of the potential health hazard of breathing dust. Any substrate containing asbestos must be handled in accordance with existing EPA regulations. C