How To Prep Exterior Wood Siding For Painting

When painting over top older paint on wood for painting to last wood substrate must be solid sound and sturdy.

How to prep exterior wood siding for painting. Exterior unfinished wood vs. When water-based paints cure the water should evaporate as fast or faster than the solvents. 2 complete coats of paint needed on wood to last.

Chemical strippers can be used to loosen paint from intricate moldings. Feather-sand the edges of sound well-adhered paint down to bare wood. An electric infrared paint stripper uses heat to release the paints adhesion to the siding.

Its a good idea to clean your siding before painting it. Reason for this wait is dried paint is much easier to scrape than wet. Make sure your homes surface is dry before you begin to paint.

Sand rust from nail heads then set and caulk the nail holes. Sanding wood fillers before priming older paint coatings. You have to mix these setting types of fillers but they stick better to wood than other fillers.

Hold the infrared stripper in place for one minute then immediately scrape off the softened paint. Walls should be wet down with garden hose nozzle Mix 1 gallon water 1 cup bleach 1 cup trisodium phosphate TSP. Dont paint if it is too humid between 20 and 80 is ideal.

Less likely to damage trim even more scraping or wire brushing old paint when wood has dried back out. If you are using a ladder you can tie a rope to a 5-gallon bucket that holds your supplies. Apply the primer in a thick even layer.