How To Clean Exterior Wood Trim Before Painting

There are several ways to accomplish this.

How to clean exterior wood trim before painting. The water pressure in a power washer is typically somewhere between 2200 and 3500 psi which is a far cry from the amount of water pressure in your garden hose. Key tip is allowing exterior to properly dry 24 - 48 hours before any hand scraping begins. When preparing a wall or painted trim for repainting producing a stable and clean surface is important.

Try working from left to right to ensure that you clean off the entire painted surface. Wash Surface Wash the surface of the trim with a TSP solution or a low-phosphate household cleaner. Let dry by itself at least 24-48 hours before painting.

Clean and rinse one section before moving onto the next section. Since you will be repainting removing mold with a heavy-duty cleaner such as trisodium phosphate and bleach is appropriate. To mix add 14 cup of TSP and 14 cup bleach to 1.

Wash wood from the bottom upward with slow easy up-and-down strokes so the solution has time to soften the grime. You want your exterior wood clean and flake-free before applying paint How to prep exterior wood for painting. Remove any remaining mildew by applying a cleaning solution of 1 part bleach to.

For an effective exterior cleanser mix a cup of bleach a cup of trisodium phosphate and a gallon of water and spray it over your trim. How to clean wood for painting is a question many ask once the project is finished. Less likely to damage trim even more scraping or wire brushing old paint when wood has dried back out.

Wipe down the wood in smooth circular motions. You will be surprised at how dirty this second batch of water is. Power washing is one way to clean a homes exterior.