After installation, tin panels should be given a polyurethane finish or painted with an oil-based paint.

Many instruments used a polyurethane finish which is brittle, chips easily, and develops spider cracks if exposed to extremes of heat or cold.

A. Before applying a polyurethane finish to any wood floor, it should be sanded down to the raw wood.

A considerable time advantage over polyurethane finishes, against which it is match.

When the old one was removed, workmen damaged our oak flooring, scuffing the polyurethane finish and leaving black stains.

The splinter is of a hardwood with a polyurethane finish.

A polyurethane finish is tough and resistant to household detergents and boiling water.

It seemed to glow for a moment, and then its polyurethane finish was changed into a deep French polish shine.

If they are coated with a clear polyurethane finish, the shiny metal will reflect light and brighten a room.

The top, resplendent with 1957 Chevrolets (detail, right), has a polyurethane finish.