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Is it better to stain or seal a deck?
It is always better to stain a deck rather than just seal it. Clear deck sealers may protect against water but little else. It is better to use a semi-transparent penetrating deck stain because it will both seal the wood against moisture damage while also protecting against sun damage. The best semi-transparent penetrating deck stains are TWP, Armstrong Clark, and Restore-A-Deck.
Key takeaways
- It is always better to stain a deck rather than just seal it for more complete protection.
- Clear deck sealers protect against water but offer no UV protection because they contain no pigment.
- Semi-transparent penetrating deck stains protect against both moisture damage and sun damage simultaneously.
- The best semi-transparent penetrating deck stains include TWP, Armstrong Clark, and Restore-A-Deck.
- Penetrating deck stains wear more evenly and are easier to reapply than clear sealers.
- Clear sealers sit on top of the wood, causing them to crack and peel, failing faster than quality stains.
Penetrating deck stains also wear more evenly and make it easy to reapply as needed. Clear sealers sit on top of the wood and can crack and peel, failing faster than the best deck stains. The fact they are clear also means that they do not offer UV protection.
More information on stain or seal a deck
- Best Deck Stain and Sealer
- Why Penetrating Deck Stains are Best
- Best Semi-Transparent Deck Stain Reviews

