How To Prepare Exterior Woodwork For Painting

How to Prep for Painting.

How to prepare exterior woodwork for painting. Then take off the blisters with a scraper and sand the surface smooth priming bare timber with a high quality primer before adding the top coats. Cleaning washing off cracks crevices where siding overlaps each other tends to collect a considerable amount of dust debris. It helps prevent any dust particles from sticking to the walls and being painted over.

The most difficult part of that prep is sanding and scraping. Cracking and flaking on multiple coats of paint. Go over each area of the wood with your sandpaper to remove part of the top layer of paint but dont apply too much pressure as youll remove too much.

Its helpful to have the homeowner give the rooms to be painted a quick vacuum or sweep up before the painters get started. At the very least preparing exterior trim and siding for painting involves thoroughly cleaning lightly sanding and priming the surface. It may also require scraping stripping reglazing wire brushing filling and caulking.

If your wood was painted before you need sand it down with fine-grain sandpaper to create a key for the new paint stick to. Lightly sand the surface to improve the paints adhesion. Fill any cracks holes and open joins with an appropriate exterior filler.

Gentle rubbing works best. If the timber has different contours such as chamfered architrave or skirting wrapping the paper round a firm sponge will allow the paper to get into and onto the contours. For exterior bare wood surfaces.

Sanding and Scraping The real bulk of the work in exterior paint prep is surface prep. It is always best to wrap the paper around a sanding block to keep a flat surface with which to sand. If the blisters go right down to wood level its important to remove the moisture source before repainting.