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Find Deck, fence, patio or porch clean and sealers in Gaithersburg

Avatar for Deck Buddy, LLC
Deck Buddy, LLC
4.74(
23
)

Angi Approved

In business since 2011

Free estimates

Warranties offered

"After deciding to rebuild our older deck, we had to do some research on companies and speak with prospective vendors. We met with four businesses and carefully evaluated their offerings, services, quality of previous work, and costs. We ultimately chose the Deck Buddy primarily because of their professionalism, approach, and openness during the selection process. Doru was the primary point of contact throughout the entire process, and we chose to work with them because of his dedication, approach, and responsiveness. Every day, his team was punctual, courteous, and clean. They began on schedule and completed the entire project ahead of schedule. We are pleased with our deck and highly recommend his business and staff. Excellent work."
Recommended by91%of homeowners
Avatar for ColorEdge Painting
ColorEdge Painting
4.75(
4
)

Angi Approved

In business since 2025

Free estimates

Customers say: Quality work

"Color Edge just completed painting the entire interior of our house (walls, ceilings, trim, doors) and did a fantastic job. From the initial quote through completion of the job, they were always punctual and answered emails and texts promptly. Their pricing is very fair and they were very thorough and skillfully patched and repaired all drywall imperfections. They are also skilled at general repairs and fixed a number of things around the house for a very reasonable additional charge. I will definitely use them again."
Recommended by75%of homeowners
Avatar for TrueDecks
TrueDecks
4.70(
332
)

Angi Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Good communications, on time, friendly sales and phone contacts. The men who did the work were on time and very detail oriented. Exceptional company. "
2 neighbors recently requested a quote
Recommended by91%of homeowners
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FAQs for deck, fence, patio or porch clean and seal projects in Gaithersburg, MD

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 Gaithersburg, MD 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.