One gallon of polyurethane covers 350 square feet.Click to see full answer. Thereof, how many square feet does a gallon of floor finish cover?Most wax finishes, like our Optimal Wet Look Floor Finish will cover approximately 2,000 square feet per gallon. Each finish is different, but most recommend 4 to 5 coats. For example, 1 gallon of Optimal would provide 5 coats on a 20′ x 20′ (400 ft²) room.Furthermore, how much will a quart of polyurethane cover? Do not install rugs or clean floors for 7 days. CLEANUP: Use mineral spirits or paint thinner following manufacturer’s safety instructions. COVERAGE: Approximately 125 square feet per quart. Just so, how much polyurethane do I need per square foot? Product Details Sheens: gloss, semi-gloss, satin Cleanup: mineral spirits or paint thinner Coverage: 600-700 sq. ft. per gallon Coats: 2-3 Recommended Uses: hardwood floors How many coats of polyurethane should I apply?There needs to be 3 coats of Polyurethane applied, especially if you are using an oil-based finish. The first coat should be mixed with mineral spirits. This acts as a sealer and provides a barrier between the wood and the oil finish you are using. A bristle brush is needed to apply the coats.
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