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Thinset mortar coverage by brand and product

Coverage per bag for each thinset mortar we have checked, taken from the manufacturer's technical data sheet. Open a product to calculate bags for your own floor.

Coverage per bag by trowel notch. Last column: bags to buy for 100 sq ft plus 10% waste, at the trowel shown, using the low end of the coverage range.
ProductBagCoverage per bagBags for 100 sq ft
Mapei Ultraflex 2 LT
MAPEI		50 lb (22.7 kg)1/4" x 1/4" x 1/4" square notch: 75–90 sq ft
1/4" x 3/8" x 1/4" square notch: 55–65 sq ft
1/2" x 1/2" x 1/2" square notch: 38–45 sq ft
3/4" x 9/16" x 3/8" U-notch: 25–30 sq ft		3 (1/2" x 1/2" x 1/2" square notch)

1 product. Real coverage depends on the tile, the substrate and your technique; each product page explains how its numbers are worked out.

Calculators

Sources