How To Prepare Wood For Exterior Painting

Scraping scrubbing and sanding.

How to prepare wood for exterior painting. Sanding and Scraping The real bulk of the work in exterior paint prep is surface prep. Wait until theres a warm and dry night on the cards Always follow the manufacturers instructions When painting in very humid cool or damp weather allow extra time for the paint to dry completely. The most difficult part of that prep is sanding and scraping.

Pressure wash to remove dirt Pressure washing removes loose paint and built-up grime and improves paint adhesion. Pressure washing cleaning dirt debris from old paint Checking for low moisture content MC percentage All peeling paint must be removed before any paints. Sand rust from nail heads then set and caulk the nail holes.

9 times out of 10 every exterior paint job includes some amount of caulk especially for trim. Prepare the Surface With old buildings such as my 130-year-old barn water-blasting the loose paint is not a recommended practice. Use the high pressure carefully especially around windows.

High-pressure water can break the glass. Go ahead and use sandpaper to smoothen any sharp edges. Whether its a wood front.

Pore fillers If you plan to finish a wide-layer wood with a relatively loose surface with a colorless varnish then after sanding with a sandpaper apply a special primer-a powder filler for wide-layer wood. How to Prep for Painting. Apply a coat of white alkyd undercoat and let it dry for three to four hours.

All You Need Is A Good Tube Of Paint-able Caulk Caulking Gun Removing old dried cracked out caulk is your first step. Avoid painting in the late afternoon if its due to be cool and damp overnight. Exterior Wood Preparation for Painting Steps for how to paint exterior wood trim and siding may include stripping scraping reglazing wire-brushing filling and caulking.