What is the best way to protect a wood deck?

The only way to protect your deck successfully over time is to apply a deck preservative. There are sealers, stains and paints on the market especially designed for deck use. Aesthetically, they look very different, but they protect wood and composite decks from moisture damage, fungus growth and ultraviolet light.

What is the best thing to seal a deck with?





Best Deck Sealers

  • Thompsons Waterseal Advanced Natural Wood Protector.
  • ECO-SAFE Wood Treatment – Stain & Preservation by Tall Earth.
  • Rust-Oleum Coppercoat Wood Preservative.
  • CabotStain Australian Timber Oil Penetrating Oil.
  • Thompsons Waterseal – Transparent Stain.


How do I keep my wood deck from rotting?

15 ways to prevent deck joist rot

  1. Ventilation Dries Deck Joist Extending their Life.
  2. Seal the Joist with a Water Repellant Sealer.
  3. Allow Water to Escape Helps Preserve Deck Joist.
  4. Overhang your decking, direct water away from the joist.
  5. Slope Joist.
  6. Flash the ledger and beam.
  7. Remove Protruding Post Railing.

Is it better to stain or seal a deck?

Staining a new deck will provide a more uniform color or tone to the wood, while sealing will help maintain the natural color. However, wood that is sealed will still fade over time but will continue to show the natural wood grain.

How do you seal between decking boards?





While you might be tempted to fill in gaps in your decking with wood filler or caulk, the natural movement of the boards can eventually cause the materials to break loose and make the gaps even worse. However, you can use rope to easily fill the gaps.

How do you permanently seal a deck?

Quote from the video:
And if they're not we'll go ahead and take them down with a hammer you may have screws on your deck. And you want to do the same thing just make sure to screw them in and keep them below the wood.

What is the longest lasting deck sealer?

Q: What is the longest-lasting deck sealer? An oil-based deck sealer, such as Rust-Oleum Ultimate Spar Urethane, will protect a deck for up to 5 years.

Should I seal pressure-treated wood?

Although treated wood is protected against decay and termite attack, the application of a water-repellent sealer to all exposed wood surfaces is recommended upon completion of construction. This sealer will help control surface checking (splitting or cracking) and provide an attractive appearance.

Should you pressure wash your deck before staining?



There is a common misconception that just pressure washing a deck prior to staining is all you need to do in order to prep your deck for stain. Pressure washing can help, but if you want your stain to last, using a good deck cleaner and brightener on the deck prior to pressure washing will provide you the best result.

What happens if you don’t seal your deck?

It is highly unlikely that the deck will rot, splinter or decay if you choose not to have it finished and you can always choose to stain and protect the deck at a later date.

How do you waterproof a wooden deck?

Installing a deck drainage system during construction is the best way to waterproof under your entire deck. A deck drainage system diverts water away from the joists and beams. An over-the-joist deck drainage system such as Trex RainEscape provides 100% protection from the damage caused by wood repeatedly getting wet.

Should you waterproof your deck?



The general rule of thumb is to get your deck waterproofed once a year, especially if you live in areas that see a lot of rainfall. Another thing to consider is whether or not you live in an area that gets a lot of direct sunlight year round.

Do you have to seal a deck?

You should reapply wood sealer at least every three years. In many cases, you need to seal a wood deck once a year. The more foot traffic and sun exposure your deck gets, the more often you need to apply deck sealant.

Is pressure-treated wood waterproof?

No, pressure-treated wood isn’t waterproof. The chemical preservatives present in the wood can’t protect it from decay. That means pressure-treated wood can absorb moisture and rot over time. However, you can waterproof and seal pressure-treated wood to protect it against water damage.

Do I need to sand deck before sealing?

Once dry, these wood fibers can remain raised and may cause splinters. For this reason, light but thoroughly sanding your wood deck is a necessary step before staining or sealing. This crucial step will ensure that your refinishing job gives great results.

How do I stop my deck from peeling?



The easiest and most effective way to prevent your deck stain from peeling is to go over your deck with a proper sealant. Deck sealers essentially waterproof your deck, keeping moisture from contacting the surface directly.

Can you polyurethane a deck?

Do not apply polyurethane to a deck or it may jeopardize the deck’s beauty and longevity. The outdoor elements are too harsh for polyurethane making it a bad choice for exterior deck use. Keep your deck maintained with the proper choice of deck stain and it will be there for you to enjoy for many years ahead.

Why does my deck stain keep peeling?

Deck stains will generally peel for two basic reasons: over application and poor adhesion. This is simple — too much stain on the surface of the wood. With deck stains, specifically with semi-transparent finishes, more is not better. You only want to apply as much product as the wood can easily absorb.