
Refinishing a Wood Deck: An Overview - The Spruce
Deep-cleaning of the wood is an important step in refinishing, but you must be careful here. Power washing can be a very effective way to deep-clean a deck, but it can also easily damage the wood if it's done improperly. Using too much water-jet pressure, holding the spray nozzle too close, or using the wrong sprayer tip can etch the wood and possibly ruin some deck boards.
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