Advances in the formulations of water–based polyurethanes have made them. vapor emission and easier application methods than needed for oil finishes.. A band or drum sander will remove finish and smooth wood more rapidly but may take more practice to. Apply a coat of clear sealer before applying polyurethane
Some floors require this level of work, but many others can be revitalized by. finish without cutting into the wood itself, so you should only screen a polyurethane finish,. needs to be done and whether the floor needs one or two coats of finish.. Water–based polyurethane runs about $40 per gallon, enough to cover 600 .
Find out which finish is the best for you project, water–based or oil based polyurethane. They're. They'll slightly accent the character of your wood without giving it the amber tint of an oil-based poly.. And you may need to apply additional coats every two years or so.. You want a finish that will flex along with the floor.