How To Prep And Paint Exterior Wood Trim

Before taking a paintbrush to your exterior trim you must properly prepare the surface.

How to prep and paint exterior wood trim. Replace rotted fascia boards with. Apply Wood Filler Apply wood filler to a putty knife and spread a thin layer of filler across the damaged area. To Summarize Prepping Exterior Trim For Paint Sanding filler caulking edges where trim meets another substrate allowing to dry.

An electric infrared paint stripper uses heat to release the paints adhesion to the siding. Make sure that the wood filler extends slightly beyond the perimeter of the damaged area This excess wood filler will later be sanded away. For best results use a high quality bristle paintbrush with an angled edge.

The most difficult part of that prep is sanding and scraping. You want your exterior wood clean and flake-free before applying paint How to prep exterior wood for painting. Painting Wood Siding Photo 1.

Wash Surface Wash the surface of the trim with a TSP solution or a low-phosphate household cleaner. If the trim has previously been painted scrape off the old coats. Mix 1 gallon water 1 cup bleach 1 cup trisodium phosphate TSP Working in sections clean from bottom to top to avoid streaks Rinse walls with garden hose and nozzle before solution dries Allow to dry until wood as 15 or less moisture level.

Preparing Exterior Trim for Painting Step-by-Step Start by scrubbing off all dirt and chalking paint with a scrub brush and a solution of trisodium phosphate TSP. Picking out exterior painting colours. This helps you get to the hard to reach corners and edges.

Sanding and Scraping The real bulk of the work in exterior paint prep is surface prep. Remove rotted wood using the scraper. Allow the primer to dry for about 2 hours.