Cypress is a relatively abundant wood, frequently found in doors, door frames, clapboards and other fittings. In the majority of cases, painting cypress timber is just like painting any other type of timber. However, on occasion a carpenter or woodworker may find herself working with untreated and likely rough cypress wood, which poses a unique issue. Cypress is a oily, tannin-packed wood. If that oil remains in the wood, common paints won’t bond with it.
Sand the cypress timber to a smooth end, utilizing a handheld vibrating sander or handheld rotary instrument fitted with sanding disks. Start with coarse-grit sandpaper (60-grit) to eliminate quite rough spots, then change to medium-grit sandpaper (120-grit) to bring the cypress to an intermediate end. Complete the procedure with fine-grit (240-grit) sandpaper.
Wash the timber by wiping it down with a tack cloth.
Mix a batch of technical primer if you are unable to find a primer on oily forests, like cypress. The proportions should be 50 percent linseed oil, 40 percent benzole and 10 percent turpentine, plus priming pigment proportion to the amount of liquid that you mix up. In the event that you were able to locate primer for fatty woods in the paint store, skip this step.
Apply the exceptional primer to the cypress timber, with long, even brush strokes. Let this dry for many hours before proceeding.
Brush on oil-based paint, using longstrokes. Let this dry for many hours or as directed by the producer, then apply at least one more coat of paint.