How Do I Prepare My House For Staining?

For New Construction and Weathered Wood:

1. First, clean the wood thoroughly by using water to remove any dirt or mill glaze. A pressure washer works best if set at no more than 500-1000 PSI and is at least one foot away from the log surface.
2. After wetting the entire surface, use a solution of 2 oz. powdered Tri-Sodium Phosphate (TSP), 1 quart household bleach and 3 quarts water that is applied with a garden pump sprayer. To avoid streaking, apply this mixture from the bottom to the top of the wall.
3. Next, let the TSP bleach/water solution sit on the wood for approximately 10-15 minutes, depending upon the severity of the discoloration. It is advised to keep the surface wet and use a bristled brush to lightly scrub any mold or mildew that may remain on the logs.
4. Remove the solution by using a pressure washer (set at 500-1000 PSI) and starting from the top of the wall, again keeping it at least one foot from the surface.
5. Allow 3-5 days to completely dry before applying any stains or sealants.