How To Clean Old Wood Before Painting

As such you should wipe the old wood surface with a mixture of 1 cup bleach 1 cup trisodium phosphate TSP and 2 gallons water.
How to clean old wood before painting. When youre satisfied with the woods. Looking for a fresh start on your old wood surface before applying a new coat of stain. Once exterior siding thoroughly dried paint will be much easier to scrape off being much more brittle.
When the paint softens clean it with a scraper curly scraper. Mist a lint-free cleaning rag with the spray. If you have an oil based paint on your wood then Id clean them with TSP if you intend to repaint that wood.
Let the wood air-dry before you apply primer. Constantly move the flame so as not to burn the wood. But there is no point whatever in cleaning bare wood with TSP or latex painted wood with TSP.
Work efficiently by starting with a coarse sandpaper in the 60-100 grit range and gradually switch to finer sandpapers rated closer to 150 grit. There are few steps to follow to ready the wood for painting once you are done with sanding. Always remember to protect yourself with proper safety equipment from the fumes of the cleaner and any mold spores.
Following the drying of the wood its time to clean and sanitize it. Use a long-handled scrubber brush and a mild detergent to gently scrub away accumulated dirt grime mold and other residue. Use a palm sander or a random orbital sander to quickly strip away imperfections and previous layers of stain to reveal the underlying natural wood.
The more brittle easier paint can be lifted up scraped chipped away. It is the primary tool to clean the woodwork. Learn how Olympic Stain Stripper removes old coatings stains and mil.