Approximate 90110 sq. ft. per gallon with a 1/8 in. x 1/8 in. x 1/16 in. V-notch trowel for Carpet Polypropylene, Woven (Roberts item #49737), Approximate 160-180 sq. ft. per gallon with a 1/16 in x 1/16 in x 3/32in. U-notch trowel for Felt-Back Sheet Vinyl (Roberts item #49736), Approximate 170-190 sq. ft. per gallon with a 1/16 in x 1/16 in x 1/16 in. SQ-notch trowel for Felt-Back Sheet Vinyl (Roberts item #10-823). Improves the air quality inside your home, Solvent-free formula for zero VOC, environmentally safe and non-flammable during application and odourless when dry, Drying time of 24 hours before foot traffic and movement of heavy objects, Protect from freezing