How often do you need to seal a deck?

every one to three years
Applying a sealer and/or stain typically is recommended every one to three years, depending on the finishing product, deck use, weather conditions, and sun exposure.

Is sealing a deck necessary?

A backyard deck is the perfect platform for good times, but that wooden surface needs a proper sealant to protect it against the ravages of sun, rain, and temperature fluctuations.

What happens if you don’t seal deck?

The bad news is that if the wood is not sealed the lumber will begin to wear at a far faster rate than it would without that protective layer. … But when it happens this wear will be evidenced by greying, as the top layers of the lumber oxidize from sun and rain, and also splintering, warping, rotting, and cracking.

How long does sealing a deck last?

Typical maintenance dictates that flat decking be powerwashed and resealed 2-3 years, and that every 3-6 years the vertical surfaces be done. Semi-solid sealants can last up to 5 years, and solid (opaque) sealants last even longer, but stripping or sanding is required between applications, adding cost in the long term.

Can I leave my deck untreated?

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.

Is it better to stain or seal a deck?

Sealing a deck is best for cedar, teak, mahogany, or other quality woods as it enhances the wood grain and natural color. … Staining a deck protects the wood from mold, mildew, moisture, and rot, and UV rays and sun damage.

Should you stain your deck every year?

Many homeowners wonder, “How often should I stain my deck?” To keep a deck looking great and prolong the life of the wood, a deck should be stained every two to three years.

What is the longest lasting deck sealer?

Rust-Oleum Ultimate Spar Urethane
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.

How much does it cost to seal a deck?

Cost to Seal a Deck

Sealing a deck costs $895 or typically between $551 and $1,277. You’ll pay $0.75 to $4 per square foot for both materials and labor. Labor alone makes up 50% to 75% of the total price. Cost factors include regional worker rates, complexity, size, prep needs and accessibility.

What is the lifespan of a wood deck?

10 to 15 years
THE AVERAGE LIFESPAN OF A WOOD DECK: Typically 10 to 15 years.

How many years does stain last on a deck?

The best stains should last three to five years on a deck, and even longer if applied to siding or fences, which don’t get as much abuse. “The sun and water beat down on a deck, snow can pile up, and even dirt and mildew spores can settle on the flat surface,” says Rico de Paz, Consumer Reports’ wood stain tester.

What is a good deck sealer?

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.