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How Much Does It Cost to Have Someone Seal Your Deck in the Greater Triangle Area?

calander Apr 27 , 2025 user-iconAnderson Painting

Hiring a professional to seal your deck ensures a quality result, but it will typically cost more than a DIY project. Here's a look at how much a deck sealing service costs in the Greater Triangle area.

Deck Sealing Cost Factors

When searching for deck sealing services, you'll notice that no fixed pricing is available because decks are unique. They differ in terms of materials used, size, condition, and other factors. A professional will consider all those factors when calculating the project estimate, in addition to the cost of labor and other add-ons. For example, dirty decks will need power washing. This additional service costs around $200 to $400.

The sealant is one factor that impacts deck sealing prices in the Greater Triangle area. Expect to pay more if you want a professional to use the best sealant. Generally, your options are oil-based, water-based, and those that combine deck stain and sealer. The latter offers better UV and moisture protection but is also more expensive. Although costly upfront, choosing high-quality products is more cost-effective over the long haul because they are more durable. This means your deck won't require frequent resealing.

Your deck size also significantly influences the total sealing cost. Most pros price decking sealing jobs by the square foot. The average charge is $0.75 to $4 per square foot. Generally, the smaller the deck, the more budget-friendly it is. Small decks require less sealant and take less time and effort to clean, prep, and seal.

Tips to Save Money on Deck Sealing

Deck sealing is a worthwhile investment that keeps your outdoor space beautiful and protected from the elements. Here are a few tricks to help you save money on the process:

  • Prep Your Deck: Surface prep for deck sealing involves cleaning, repair, and sanding. Clean the deck with a leaf blower or a broom, and remove any furniture. Then, pressure wash it to eliminate tough stains and dirt. If you don't have a pressure washer, manually scrub the deck with a brush and a cleaning solution. Repair any damage if you can and sand if needed. When you handle the surface preparation, you can avoid the cost of add-on services.

  • Choose the Right Deck Sealer: Going for the cheapest option isn’t necessarily the right choice. Low-priced options are the least durable, so you'll likely need to have the deck resealed more frequently than when you use better-quality sealant.

  • Compare: Get at least three quotes from reputable local contractors. This will allow you to find the most cost-effective option in the Greater Triangle area.

How Much Does It Cost to Have Someone Seal Your Deck?

Depending on various factors, you could spend anywhere from hundreds to thousands on professional deck sealing. If you want a more accurate quote, Anderson Painting can give you one for free. Please fill out this form for a free project estimate.


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