DIY Frequently Asked Questions / Shellac')">
Provides a fast, hard-drying, durable finish for furniture, woodwork, hardwood floors and other wood-finishing applications.
It also functions as a sealer and stain-killer on drywall, cured plaster and new wood. Shellac is widely compatible with other coatings, and it can be applied over old shellac, varnish or lacquer finishes that are adhering well.
Most shellac is sold in a 3-lb. cut, the consistency recommended for most uses. The 3-lb. cut can be thinned to a 1-lb. cut for applications such as wood sealer before staining by thinning one quart of shellac with three pints of alcohol.
For applications where water spotting may be a problem, shellacked surfaces can be protected with paste wax or varnish.
Shellac may be applied with a brush, foam brush or from a can. When brushing, flow on the shellac from a full brush—with minimum brushing—and do not re-brush areas, since the alcohol-based solvent of shellac dries quickly.