The main reason for this is to remove the old layer of finish before reapplying the new layer.
Bleach fence before staining.
Too much moisture in the wood prevents the stain from penetrating properly.
April 6 2018 by scott mcmillan.
If you do not fully remove the old layer then you will face some problems down the line that this article will touch on along with some tips and tricks of how to clean a wood fence with a pressure washer.
The affects of bleach on wood decks and fences bleach is the old standard used for years in cleaning.
Water raises the wood grain.
Allow the fence to dry for at least 24 hours if you plan to sand paint or stain it.
You are now ready to re stain your deck or fence.
For best results let the cleaner work for about a minute and then run a brush over the area and then rinse it clean with a garden hose.
For best results choose a semi transparent natural oil based stain and apply it with a pump up garden sprayer.
After you clean your fence let the wood dry for 2 3 days before applying stain.
If you don t have access to a pump type garden sprayer dip a clean stiff bristled cleaning brush into the bleach.
On wood however the chlorine kills algae moss and mildew.