But airless guns work just as well, if not better-especially when painting houses or large billboards. Although it's effective, however, many choose to stay away from this industrial technique of application. When dealing with specified spaces to paint, those workers spray painting tend to over spray-putting the painter and the materials at risk. Also an option for decorating blank signs is stain. Although some sign workers today regard staining as outdated by the evolution of paint, many still rely on it in their shops or on the job.
Stains come in semi-transparent and solid colors.
Sign makers often turn to stain because of its gentle chemical makeup which allows wooden signs to receive air. Being porous essentially erases the problem of blistering due to trapped water. Stain also comes in an array of qualities. However, the premium brands have the advantage of oil and nutrients that preserve the life of the wood even longer. After the application of paint or stain, sign workers must decide whether or not to apply varnish to the sign.