What time of year should you seal your deck?

Summer is generally the best time to waterproof your deck because it gives you the opportunity to clean it thoroughly and seal it properly without worrying about rain. It takes about two to three days for a deck to completely dry out after sealing and you'll need up to six days for it to be fully functional again.
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What temperature does it need to be to seal a deck?

For clear sealer, the deck surface and air temperature must be above 50 degrees Fahrenheit during application and drying time. For deck stain, the deck surface and air temperature should be between 50 and 95 Fahrenheit for application and drying.
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Should I seal my deck before winter?

Before the winter comes, you want to ensure your deck is protected from the elements, especially the moisture that comes with increased rain and snow. That being said, under no circumstance should you ever seal a pressure-treated deck when the temperature gets below 50 degrees.
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When Should I seal my pressure-treated deck?

When water soaks into the wood instead of beading up, it's time to seal or stain it. It's important to finish typical pressure-treated wood as soon as possible after completion of a deck in order to protect it. Splash some water on the deck boards. If it beads up, the wood isn't quite ready to be sealed.
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How often should I Waterseal my deck?

For most decks, sealing once each year is a good rule of thumb. Depending on the condition of your deck this can be adjusted, but keep in mind that you should never go beyond three years maximum before re-sealing and staining.
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When to Seal or Stain a New Wood Deck



What temperature is too cold to stain a deck?

Avoid the Cold

If you're staining your deck in the spring or fall, wait for a day with highs above 50 degrees Fahrenheit. Also, make sure freezing temperatures aren't in the forecast for that night. If it drops below 32 degrees Fahrenheit before the stain has thoroughly dried, it can hinder the curing process.
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Is it better to stain or seal a deck?

Deck sealing will protect the wood from splitting, cracking, moisture, mildew, and rot while maintaining the color and grain of the wood. A stain will protect the wood and provides a more uniform tint or color to the wood to complement surrounding structures.
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How long after power washing can you seal a deck?

Sand Your Deck Before Sealing

After you've pressure washed your deck, you'll need to wait for it to completely dry. Sometimes, this can take as long as 48-hours. Once it's dry, you'll want to sand your deck lightly. This is necessary to remove any splinters or fuzzy patches that pressure washing can cause.
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What happens if you don't seal pressure treated wood?

This pattern of swelling and shrinking can cause damage to the wood such as splits, checks, splinters, cracks, and other blemishes. Protection from UV rays is also necessary for insurance against fading, discoloration, and warping.
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How do you winterize a wooden deck?

How To Winterize Your Deck In 6 Steps
  1. STEP ONE: Remove dirt and debris. Don't let piles of leaves, pine needles or branches clutter up the corners of your deck. ...
  2. STEP TWO: Trim any overhanging branches. ...
  3. STEP THREE: Power wash. ...
  4. STEP FOUR: The water test. ...
  5. STEP FIVE: Seal your wood deck. ...
  6. STEP SIX: Store your deck furniture.
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Do I need to seal my deck every year?

When Should I Reseal My 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.
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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.
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What if it rains after sealing deck?

If it rains within 48 hours of applying a treatment, the water will soak into the wood, and try and displace the stain. This can cause a blotchy, flaky look, rather than a smooth, even, coat. If it rains immediately after you've stained the wood, the stain will peel and flake off.
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How much does deck sealing cost?

Cost to Seal a Deck

Sealing a deck costs $906 or typically between $551 and $1,293. 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.
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How long does deck waterproofing last?

The fact that longevity depends on how well the seams were welded,” according to Waterproof Magazine. The statement says it all. Essentially the product is good as long as the “seams were welded” properly, even though it requires little upkeep and promises a warranty of 10 years.
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What is the best thing to seal a deck with?

  • BEST OVERALL: Seal-Once Marine Premium Wood Sealer.
  • BEST BANG FOR THE BUCK: Rust-Oleum Varathane Ultimate Spar Urethane Oil Based.
  • PRESSURE-TREATED WOOD PICK: Thompson's WaterSeal Transparent Wood Sealer.
  • BEST FOR WATERPROOFING: Thompson's WaterSeal Clear Wood Sealer.
  • BEST WITH UV PROTECTION: Defy Composite Deck Sealer.
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Is OxiClean good for cleaning decks?

OxiClean is safe to use on decks. OxiClean is a safe alternative to chemical-based bleach products, as the item is comprised of oxygen bleach that uses oxygen ions to fuel its cleaning power.
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Should you seal a pressure-treated deck?

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.
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Does power washing damage a deck?

If you have timber deck boards, a power washer's pressure may cause splintering and damage to the timber fibers. If the timber surface already has some splintering, pressure washing will only exacerbate the issue.
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How long should a deck dry before sealing?

Allow the deck to dry for at least two days before applying a sealer.
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Should I pressure wash my 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.
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Is it too late to seal my deck?

DO wait 30 days before sealing a new deck. If you've just built a new deck, you're probably itching to finish the job by sealing it. But preservatives in the wood often require about 30 days' dwell time before the deck can soak up the sealant.
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Is Thompson's water seal better than stain?

The advantage of this, they say, is the sealer provides additional protection against water and weather damage, while the stain helps reduce fading from UV rays. Sealers should last at least a year, with some lasting up to three years.
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Which is better oil based or water based deck sealer?

Water-based stains require a little more time and effort than oils, but it pays off with significantly greater durability. Oil based stains are easy to apply and take less effort, but they will not last nearly as long as a water based stain.
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