It is the trowel used that will determine how much mortar is needed.
On average, a 1/4" x 1/4" x 1/4" (6 x 6 x 6 mm) square trowel covers 80-100 sq. ft. (7.43 - 9.29 m²) per per 50 lb. (22.7 kg) bag.
A 1/4" x 3/8" x 1/4" (6 x 10 x 6 mm) square trowel covers 60 to 80 sq. ft. (5.57 - 7.43 m²) per 50 lb. (22.7 kg) bag.
A 1/2" x 1/2" x 1/2" (12 x 12 x 12 mm) square trowel covers 40 to 50 sq. ft. (3.72 - 4.64 m²) per bag.
The amount may vary from one mortar to another. Consult the product calculator for tile mortars and adhesives on our website.
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