Sealers penetrate the wood and enhance its color and clarity. Sealer is the first product used in the finishing process unless staining the color of the wood is desired.
Staining is an optional step and is only used when you want to change the color of the wood in contrast to its natural color.
Oil-based polyurethane gives your floor a warm amber color and offers great durability. It has a strong odor when applying and can turn yellow overtime.
Water-based polyurethane is fast drying, non-yellowing and has very little odor. It offers great durability and can give your floor an excellent look.
Polyurethane comes in three types of sheen: gloss, semi-gloss and satin. Think of sheen in terms of the amount of shine your floor will have.