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How Much Does it Cost to Seal a Deck in Dover?

Typical Range: $332 - $433

The average deck sealing cost in Dover is $332 - $433, but it could vary from $282 to $483. Discover the detailed price range here.

This estimate is based on actual data from 63 completed projects in Dover area and is valid through 07/02/2026. Please keep in mind that actual costs may still vary.

How Much Does it Cost to Seal a Deck in Dover?

Deck sealing in Dover is an effective way of maintaining your deck. While regular cleaning can help in keeping your deck in good condition, there are still certain benefits that you can only get with a quality Dover deck sealing. Sealing is particularly needed when your deck starts showing signs of wear and tear. Old age can take its toll on the surface of any deck, especially on wood. Using harsh and abrasive cleaning materials and even power washing can potentially harm any wood decking. If your deck is suffering from these issues, it is best that you get deck sealing in Dover. There are many benefits that come along with getting professional Dover deck sealing. Sealants can be applied to protect your deck from UV rays and water. A clear sealant will allow the natural color and beauty of the wood to show. It will also help protect the wood from moisture and damage caused by long exposure to the sun. Most homeowners tend to paint their wood. However, paint does not provide the same protection that sealants do. Deck sealing in Dover is an affordable way of prolonging the life your deck. Not only that but it can help in reducing the wasted wood because of poor maintenance and irreparable damages.

What is the price for Deck Sealing in Dover, DE?

Home remodeling & home services cost estimates
ITEMQUANTITYLOWHIGH
Deck Labor6 Hours$205$372
Deck Job Materials and Supplies200 Square Feet$27$43
Deck Equipment Allowance$51$68
Total Cost to Clean Decks215 Square Feet$283$483
Average cost per Square Foot$1$2
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Fair price breakdown

Deck sealing in Dover has been estimated to cost around $790 on average. Its cost can go as low as $250 and as high as $1,700 with the majority of homeowners spending between $500 and $1,100. Dover deck sealing is quite different from deck staining. Staining is usually used to change the color of the wood and make it more aesthetically appealing. On the other hand, deck sealing in Dover is primarily used to protect the wood from damages caused by sun exposure and water. The cost of sealing a deck depends on the size of the deck, the sealant to be used, and labor cost. An average sized deck may need two gallons of sealant which can cost around $50 to $80. There are two kinds of sealants that can be used in Dover deck sealing; oil-based and water-based.

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Find the Best Costs on Deck Sealing - Dover, 19901

Oil-based sealants are a bit more expensive than water-based sealants. Oil-based can either be penetrating or coating. In most cases, they can be both. Water based sealants are considered to be coatings only. They can be cleaned easily but they are less resistant to wear and tear. There are several brands of sealants being used in Dover deck sealing projects. They all come in varying prices. Some of the most common sealants are TWP which can cost around $30 to $40 per gallon, Behr which costs $20 to $35 per gallon, and Olympic which can cost $25 to $45 per gallon. All other products are estimated to cost around $14 to $40 per gallon. A professional usually charges $40 to $70 per hour for deck sealing in Dover. This rate can change depending on the difficulty of the task and if there are any preparations needed before applying the sealant.

Dover County Deck Sealing FAQ

It is recommended to get deck sealing once every 14 to 18 months. However, if your deck is not exposed to sun and rain a lot, you might need deck sealing every two years.

Before sealing your deck, it is important that all previous sealants and stains must be removed thoroughly. The deck must be cleaned and should be dried for 48 hours.

Light foot traffic will be fine after 24 hours. However, you need to wait for at least 48 hours before putting any heavy object like furniture pieces on a newly sealed deck.

Last Updated: Apr 7, 2026

Local pros & Availability

Carpenters available in your area

1

Troy Hurd Contracting

Rating: 68
6 Heritage Dr.
Dover, DE 19904
2

BT Builders

Rating: 59
2681 Ashlandville Rd
Dover, DE 19904
3

Quality Builders Inc

Rating: 78
213 Willow Ave
Camden, DE 19901
4

Abco General Contracting

Rating: 65
640 DINAHS CORNER ROAD
Dover, DE 19904
5

MD Marvel Contracting

Rating: 66
176 Maidstone Branch Road
Dover, DE 19904
6

Brick Brothers Inc

Rating: 61
4128 Forrest Ave
Dover, DE 19904

Deck Sealing highlights

  • Age defying Deck Sealing in Dover DE
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Recent Requests near Dover, DE

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Brian C. Dover, DE

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Deck Sealing in Dover, DE - Costs 06 / 2026 - homeyou