Do You Need To Wash Wood After Sanding
Use the low power setting to avoid damaging the wood.
Do you need to wash wood after sanding. This involves thorough cleaning and sanding. Instead use a tack cloth a sticky piece of cheesecloth made especially for this purpose. Work the brightener into the wood with a stiff bristle brush using an extension handle on the brush if necessary.
After stripping paint to properly clean the wooden surface use mineral spirits and fine steel wool. Wipe With Denatured Alcohol Many woodworkers end the wood preparation step with the tack-cloth wipe-down but for the very best results conclude your preparation by wiping down the surfaces with a clean cloth moistened with denatured alcohol. One may also ask is Deck Cleaner necessary.
I would power wash the deck then sand it lightly to smooth out any fuzz. Fight as you will if you dont spend a bit of time making sure the wood surface is clean your end result isnt going to live up to expectations. To answer your direct question no you dont need to clean the deck if all the wood is sanded down to raw wood.
There are approved methods you can use to clean the dust before applying a polyurethane sealant or staining the surface. You can knock down the fuzz by sanding -- as long as you wait for the wood to dry. Wood dust from sanding will cause problems if its not removed from the surface before staining.
If you seek a perfect finish make sure the tack cloth glides smoothly over the wood as you wipe. Wipe the folded tack cloth across the wood to remove dust. Using a soft-bristle attachment thoroughly vacuum the floor baseboards and windowsills.
You will need a hand brush to clean the dust. Then use a vacuum or blower to get rid of dust from tricky spots. Power-washing a deck effectively gets it ready for refinishing but the force of the water leaves the wood fuzzy.