Brush vs Rag vs Spray: Choosing Your Application Method

Brushes or rags? Spray or wipe? The application method matters as much as the finish itself. Here’s when to use each approach.

Brushing

Best for: Thick finishes like polyurethane, varnish, and paint. Vertical surfaces where drips are a concern.

Tip: Use natural bristle brushes for oil-based finishes, synthetic for water-based. Load the brush properly – dip one-third of the bristle length, tap off excess against the inside of the can.

Wiping

Best for: Oil finishes, wipe-on poly, thinned varnishes. Great for complex shapes with lots of detail.

Tip: Use lint-free cotton rags or old t-shirts. Apply liberally, let sit a few minutes, wipe off excess. Multiple thin coats beat one thick one.

Spraying

Best for: Large flat surfaces, production work, lacquer and shellac, getting into intricate details quickly.

Tip: HVLP sprayers reduce overspray but require thinning most finishes. Practice on scrap first – spray technique takes time to develop.

Pouring and Spreading

Best for: Tabletops getting thick epoxy or pour-on finishes. Creates perfectly level surfaces without brush marks.

Tip: Work in a dust-free, level environment. Use a propane torch (carefully) to pop bubbles before the finish sets.

The Bottom Line

Match the method to the finish and the project. Simple pieces do fine with rags. Complex carvings often need spray. Flat tabletops can handle anything. There’s no single best method – only the right method for each situation.