Can you just seal a deck?

Sealant, stain, and paint can all be applied to a deck for different degrees of protection. Sealants are primarily used to protect against moisture damage.
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Can you just seal a deck and not stain it?

A: It's really up to you. Just staining the deck will give you the color you want, although in high-traffic areas the stain could wear away quickly. Many deck companies recommend using a combination stain/sealer product, which is basically a sealer with pigment added.
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Can you seal a deck without cleaning it?

You Will Need to Wash, Repair, and Sand First

You'll want to start with a clean slate, so your first step is to clean your deck thoroughly before sealing. Brush away dust and debris and use a utility brush to get at any problem areas. If you have an old layer of sealant or paint, you'll want to lightly sand this away.
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Can you leave a deck unsealed?

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. If you choose to revitalize the natural color of the wood, we recommend our two-step maintenance clean.
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Does sealing a deck make it last longer?

By simply applying a sealing treatment, you can waterproof the wood and even protect your decking from excessive sun exposure, allowing your decking to last much longer.
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How To Protect Your Deck | Never Sand Again!



Is it better to paint or seal a deck?

Because sealers offer temporary protection from the elements, you should apply the sealer seasonally. If you prefer less maintenance, a stain or paint is a better choice.
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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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How long can a deck go untreated?

A deck made of untreated wood can last anywhere from 10 to 30 years. Decks made of treated wood and composite materials can last as long as 50 years. Many composite decks come with a 20-year warranty – and often a lifetime guarantee.
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Is it OK not to stain a deck?

Staining a deck will lead to less work in the future. One of the main reasons the professionals don't recommend staining wood decks is because of the amount of time and energy involved. Stains don't generally last more than a year. This means yearly cleaning, staining and, if necessary, sanding of your deck every year.
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What happens if you dont oil your deck?

What can Happen when Regular Deck Oiling isn't Performed? If regular oiling and maintenance is not performed on your deck, there can be some unpleasant consequences. In most circumstances, it's just a case of natural deterioration over time resulting in fading, warping and weakening of the timber.
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What happens if you dont wash your deck before staining it?

But don't just slap a coat of stain on in a hurry — you'll need to clean your deck before staining it. If you stain a deck without cleaning and prepping it first, the results will look blotchy, uneven, and, well, amateur. Any time you save skipping the cleaning stage, you'll spend twice over repairing the botched job.
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What happens if you don't clean deck before staining?

Cleaning a deck before you apply stain ensures that the surface is clean (no dust, dirt, wood fibers or grease), dry and free from mildew. When a surface is not clean, stains and other finishes have trouble sticking and may end up peeling.
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What happens 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 can I protect my deck without staining it?

The best preventative measure you can take to protect your wooden deck is to use wood sealant. Clear wood sealants are a great way to maintain the natural beauty and wood grain while still preventing damage from rot, mold, and other weathering.
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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 it cheaper to paint or stain a deck?

Painting requires more supplies, therefore it's usually more expensive than staining. Wood preservative and primer are required in painting, as where you can buy the stain alone and do a great job on the deck.
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Should I seal the underside of my deck?

If you stain the underside of your deck you create a barrier to moisture; however, this can actually trap moisture into your boards and cause them to rot at an alarming rate. This is because when you stain the underside of your deck, water can still get in from the nail or screw heads on the surface.
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Is it OK to pressure wash a deck before staining?

Taking your time is key to power washing a deck successfully. Now that the wood has been cleaned and stripped of grime, you can sand it and apply your stain of choice. Power washing a deck before staining will allow the wood to absorb the stain better and deeper.
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Can a wooden deck last 50 years?

Wooden Decks Made from Pressure-Treated Lumber

So while it will resist a lot of the environmental changes that the weather brings, it might not be the ideal material for everyone. If you maintain and seal your pressure-treated deck, it can last you around 50 years.
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What happens if you don't leave gaps in decking?

Without the right deck spacing, the boards may expand, cup, and buckle out of place. As a result, you may have to replace broken decking, or reinstall the boards with wider spacing to prevent further cupping and buckling, which can be time consuming and expensive.
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What is the average lifespan of a deck?

Traditional wood deck: Typically 10 to 15 years. Capped composite: Industry experts agree these boards can last 25 to 30+ years. Capped polymer (the best of the best): Because of its superior material composition, capped polymer boards can last much longer, potentially 50 years or more.
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Should I pressure wash my deck before I seal it?

Pressure washing is the best way to prepare your deck for 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.
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How often should you reseal a deck?

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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How long does deck sealer take to dry?

Depending on temperature and humidity, allow 24-48 hours of dry time before using your beautifully restored deck or porch.
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