Coarse sandpaper, about 80-grit, works in most instances, and you should sand in the direction of the wood. The deck must be very dry and you must wash off the dust afterward, so you may want to sand before cleaning if your deck is not particularly dirty.
Applied with a brush or roller, they cover deck boards and do not show wood grain. Check the weather. Remove all deck furniture, plants and furnishings. The entire deck may require sanding with a pole sander or palm sander to speed up the process. Sweep off loose debris and clean between the cracks.
Steps. Use a belt sander to level the surface of the deck and spots were the previous stain wasn't removed. Use a router and a round-over bit to even out the end of the deck. Sweep or blow off sand dust. Wait for a time when you will have a few sunny days in a row to allow stain to dry. Stay off the deck until it dries.
Sanding And Staining A Deck
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