Shellac Vs. Polyurethane for an Oak Floor

Shellac Uses

• Shellac is a popular resin-based material that is still used today for many wood finishes. It is not as commonly used in higher-traffic areas such as floors. One of the main reasons for this is that it is less durable than polyurethane and other finishes. Although it provides protection for the wood, it is better used on furniture, cabinets or other household woods that don't receive as much attention.

Shellac Benefits

• The main advantage to shellac is that it dries quickly. Shellacs are alcohol-based mixtures that dry in as little as just a few hours. Because it dries faster, less dust and small particles of debris are likely to settle on its surface. Shellac ages over time and turns yellowish-brown -- a tendency known as "ambering." Some woodworking professionals want this look, but for those who want their floors to look clear and glossy, polyurethane is a better choice. Shellac is a thick material that must usually be thinned in order to apply it to the wood. It is also sold in a variety of tints to achieve a warm finish for an antiqued look.

Water-Based Polyurethane

• All polyurethane will create a tougher and more resistant bond to the wood than shellac. Polyurethane may be water-based or oil-based. Each has its benefits. Water-based polyurethane is free of the irritating odors associated with oil-based products and dries more quickly than the oil-based variety. It can also be reapplied after a few hours, much like shellac. The finish is clearer than both shellac and oil-based polyurethanes.

Oil-Based Polyurethane

• That strong odor is back with an oil-based polyurethane. But with the strong odors come some benefits. Even though the water-based finish goes on clear, the oil-based polyurethane shines better. Applying oil-based polyurethanes is a longer process that involves much longer drying times. It can take as long as 12 hours for a coat to dry completely, leaving a room out of commission for longer than when using a water-based solution. Both polyurethane varieties will provide a hardened and protective finish for your floor.