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Top-Rated Deck, fence, patio or porch clean and sealers in Northglenn - Updated Nov 2026

Avatar for Sealwize Denver West, Inc.
Sealwize Denver West, Inc.
4.6(
23
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Northglenn, CO and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Todd did amazing, fast, and efficient work on our deck! The end result was fantastic and he was communicative, polite, and respectful from beginning to end. Very highly recommended."
Deck refinish
Deck refinish
Stamped concrete re-seal
Stamped concrete re-seal
Stamped concrete re-seal

+6

16 neighbors recently requested a quote
Recommended by59%of homeowners
Avatar for Valenzuela Fence
Valenzuela Fence
5.0(
12
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Northglenn, CO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"I used Valenzuela Fence to prep and re-stain 250 ft of wood fence. Jorge was always communicative, priced reasonably, and did an on-time great job with this project. I recommend and would use Valenzuela Fence again."
Horizontal Fence Installation and Stain
Temporary fencing
Garage-Chain-Link Fence
Rustic Dog Ear Fence
Horizontal Angled Fence Installation

+5

Response time1 day
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Precision Painting Pros, LLC
Precision Painting Pros, LLC
5.0(
17
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Northglenn, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"David and Grace were highly professional and completed the work as promised, and the results were fantastic. They were very personable and easy to work with. They took excellent care in protecting our interior belongings (floors, shades, etc). They also did a complete run-through after they were done to make sure things were 100%. Their prices were more than fair and appropriate for the work. We felt we were being misquoted, and they proved that true. David always kept in contact and either picked up the phone or replied to my messages quickly. I highly recommend them."
Handrail Paint
Living room
Before
Exterior
Ceiling repair

+71

Response time3 hrs
Response rate86%
4 neighbors recently requested a quote
Avatar for Marco Construction, LLC
Marco Construction, LLC
4.2(
316
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Northglenn, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Warranties offered

"Workers showed up on time and kept it great communication. Clean and respectful of property. Marco Construction provided great rates and were a pleasure to work with. When working with Mark and his team, it is best to come to the plate with everything you want to do. They did great working with me on my deck through each board and nail. I would advise you to do your homework and know everything you want done before hand. It will make the process a lot easier on you and them. If I had it over to do again, I would have them replace my whole deck and not piecemill each board. But if you need your deck refurbished or rebuilt, these guys will do well for you at a fair price and you might make a few friends in the process."
Response time1 day
145 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Servant Heart Handiwork, LLC
Servant Heart Handiwork, LLC
4.4(
46
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Northglenn, CO and surrounding areas

Approved

In business since 2008

Customers say: Terrific value

"Dwight came highly recommended to me by a friend. I needed some facia and trim repairs prior to new gutters going up. I hired Dwight because I felt like I did not have time to do it and was in a hurry. What I came to realize was I never would have done as good of a job as Dwight did. He came up for some great solutions to some weird issues on my old home that I never would have thought of.Ive passed his number on a couple times already and am working to schedule with him to get some more work done."
Art bath
Floor
Usually I find that all decks just require updates
Actual art kitchen remodel
Capable but not usually remodeling

+94

Response time6 hrs
Response rate100%
Recommended by79%of homeowners
Avatar for Get It Done Right Service, LLC
Get It Done Right Service, LLC
4.6(
58
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Northglenn, CO and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Both my husband and I enjoyed working with Luke. He took time to listen to what we wanted and answer questions. He even provided information that helped settle a bit of confusion we had about placement of the fence. He built the fence to be super durable against kids and kept the safety of both our children and pet in mind during the construction. I do plan on using them in the future for further home repair/renovation."
Mountain House Getaway
Fallen TV damage to wall
Projects From Our Past
Fallen TV damage to wall
The right way to prep the wall

+20

Response time20 mins
Response rate100%
Recommended by100%of homeowners
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FAQs for deck, fence, patio or porch clean and seal projects in Northglenn, CO

You should clean your deck before sealing it. Cleaning before refinishing is critical. If you don’t remove dirt and debris, you'll trap moisture in the wood, which prevents the new sealer from working correctly and can lead to costly repairs. Whether you need to sand, power wash, or sandblast depends on your deck's condition.

Sealing and staining your deck are essential maintenance methods that protect and beautify your outdoor space. Stain adds rich color and guards against fading, while sealant fortifies the wood against moisture and weather damage. Wood type, climate, deck age, and the degree of existing damage determine whether your deck benefits from one or both treatments. Using both options extends your deck’s durability and enhances its overall appearance.

Power washing and sealing your deck costs $500 to $1,700. This process combines the removal of stubborn dirt and debris with a protective seal that preserves the wood’s integrity. Effective cleaning eliminates harmful buildup, and a proper seal prevents moisture damage and wood decay, ensuring long-term durability and reducing future repair expenses.

Your deck must be sealed every one to three years to maintain its strength and appearance. Regular sealing is essential to protect the wood against moisture, mold, and harmful UV rays. A consistent sealing schedule prevents rapid deterioration and costly repairs. Inspections should be performed annually to determine if the protective layer remains intact, extending the life of your deck.

Leaving your deck untreated compromises its structural integrity and safety. An unprotected deck rots quickly due to moisture and environmental exposure, which means that neglecting sealing results in rapid decay and expensive replacement costs of $4,125 to $11,650. Sealing your deck is essential for maintaining its durability and protecting your home.

The sealant on your deck dries within a few hours and reaches full cure within 72 hours before regular use. It is essential to wait until the complete curing period to ensure the protective layer fully sets and resists weather and foot traffic. Proper drying guarantees that your deck is fully protected against moisture and environmental damage, ensuring lasting quality.

The Northglenn, CO homeowners’ guide to deck, fence, patio or porch clean and seals

From average costs to expert advice, get all the answers you need to get your job done.