How To Seal A Deck 9 Steps With Pictures

If the water beads up on the surface of your deck, you don’t need to seal. If the water seeps into the wood, you need to seal. A deck that traps water will bend, warp and ultimately weaken. {“smallUrl”:“https://www. wikihow. com/images/thumb/f/fb/Seal-a-Deck-Step-1Bullet1. jpg/v4-460px-Seal-a-Deck-Step-1Bullet1. jpg”,“bigUrl”:"/images/thumb/f/fb/Seal-a-Deck-Step-1Bullet1. jpg/aid1377740-v4-728px-Seal-a-Deck-Step-1Bullet1. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

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If you do not have a very clean deck before sealing, the deck sealer will trap in all the elements you want removed, and your problem will be exacerbated. Remember to clear any plant or anything else that could be hurt by deck sealer.