What To Use To Clean Exterior 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.
What to use to clean exterior wood before painting. Since you will be repainting removing mold with a heavy-duty cleaner such as trisodium phosphate and bleach is appropriate. Try mixing up fresh TSP-water solution again and re-scrubbing it. KILZ GENERAL PURPOSE EXTERIOR is a fast-drying latex primer and sealer specifically formulated for outdoor use.
If there are creases or hard-to-reach small places on your wooden surfaces use a small scrub brush or toothbrush to clean it. Troweling it on as even as you can letting it dry. Then use a vacuum or blower to get rid of dust from tricky spots.
Think your siding is already clean. When all sections are done spray the entire house side once again. It minimizes problems caused by surface texture and porosity differences.
Accordingly what do you clean wood with before painting. If mildew is a common problem on your exterior wooden surfaces consider repainting with a paint designed to prevent mildew. Let the wood air-dry before you apply primer.
Apply with a garden type sprayer regular spray bottle or sponge. Mix a second solution of half water and half bleach and apply it to the surfaces. To mix add 14 cup of TSP and 14 cup bleach to 1 gallon of very warm water.
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. Bob Vila interviews a contractor in the process of using a pressure washer to remove paint from exterior wood siding. Make sure to wear goggles and gloves to protect you from the chemicals.