Best Primer For Old Redwood Siding

Choose a 100 percent acrylic water based primer that clearly lists tannins as one of the stains that it blocks.

Best primer for old redwood siding.

Although oil based primers work well they are messy and difficult to apply. Due to tannic acid it is important to apply a primer to the wood before painting. Then wipe it down to be sure any loose particles are removed and the wood surface is dust free. Such as painted and unpainted wood trim and siding masonite siding and trim glossy paint doors mdf chalky paint etc.

Alkyd primer also called oil base paint primer is reduced with mineral spirits. Step 4 paint. Use an oil based primer instead of a latex primer. Usually used on wood trim and siding treated lumber masonite siding and trim plus many metal surfaces.

Step 3 prime the wood. Kilz premium high hide stain blocking latex primer great interior and exterior anti mold and mildew option. Oil base primer is excellent at sealing tannin bleed from redwood cedar and other high extractive wood types. If the redwood is smooth side out then prepare the wood by sanding it.

These primers can have stain blocking capabilities and dry times ranging from 1 hour to overnight. This is a great water based.