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

Typical Range: $316 - $412

The average deck sealing cost in Arnold is $316 - $412, but it could vary from $268 to $460. Discover the detailed price range here.

Info valid for your area through 08/08/2026

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

Deck sealing in Arnold 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 Arnold 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 Arnold. There are many benefits that come along with getting professional Arnold 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 Arnold 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 Arnold, MO?

Home remodeling & home services cost estimates
ITEMQUANTITYLOWHIGH
Deck Labor6 Hours$197$359
Deck Job Materials and Supplies200 Square Feet$24$39
Deck Equipment Allowance$47$62
Total Cost to Clean Decks215 Square Feet$269$460
Average cost per Square Foot$1$2
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Fair price breakdown

Deck sealing in Arnold 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. Arnold 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 Arnold 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 Arnold deck sealing; oil-based and water-based.

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Find the Best Costs on Deck Sealing - Arnold, 63010

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 Arnold 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 Arnold. This rate can change depending on the difficulty of the task and if there are any preparations needed before applying the sealant.

Arnold 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: May 20, 2026

Local pros & Availability

Carpenters available in your area

1

Angel's Decks

Rating: 59
2019 Sierra Pkwy Apt 102
Arnold, MO 63010
2

GES Painting

Rating: 63
1659 Trinity Cir
Arnold, MO 63010
3

Stone Fencing

Rating: 79
2013 El Lago Dr
Arnold, MO 63010
4

Window Man The

Rating: 59
2153 Lone Star Dr
Arnold, MO 63010

Deck Sealing highlights

  • Protective Deck Sealing in Arnold MO
  • Keeps your deck safe
  • Missouri deck quotes
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Deck Sealing in Arnold, MO - Costs 06 / 2026 - homeyou