Deck Stain for a 16×20 Deck
A 16×20 deck is 320 sq ft — about 3 gallons of stain for two coats (bare boards drink the first coat). Adjust coats below.
Stain to buy
3 gal
Deck area
320 sq ft
Stain (2 coats)
2.6 gallonsbuy 3 gal
Coverage
250 sq ft / gallonper coat on bare decking
Stain cost (est.)
$105~$35/gal
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