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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon239
    Verified deck cleaning services reviews

Top-Rated Deck cleaning pros in Islip - Updated Nov 2026

Avatar for BuildingLI.com - BLI Facilities LLC
BuildingLI.com - BLI Facilities LLC
5.0(
32
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Islip, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Hector and Moises were excellent! Hector came with one other of their crew and assembled my permanent gazebo. I have stone pavers and they were very careful in cutting them and digging Deep enough to establish a good anchor. They even installed railings for my back stoop. I would highly recommend them! Clean... affordable and professional."
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+172

Response time7 hrs
Recommended by76%of homeowners
On Target Contracting
4.3(
32
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Islip, NY and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"I cannot say enough good things about these guys and how they work. They are very clean, neat, and professional. They expanded my original vision of my deck and ran with it. It is amazing. I will 100% be calling them back for my other projects. Thank you, thank you, thank you."
Response time8 hrs
Response rate89%
Recommended by88%of homeowners
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Deck Cleaning FAQs, answered by experts

Wood decks need to be replaced every 10 to 15 years on average. Natural wood is highly vulnerable to infiltration and damage from moisture, which can occur rapidly due to exposure to outdoor elements. You can protect your deck and maximize its lifespan by sealing it every year or two.

Your deck may pop, and your neighbor’s deck may not for a number of reasons. Whether or not a deck pops will depend on how it was made, the conditions it’s exposed to, and the materials. Improper spacing is a common reason for increased pressure between deck boards. Moisture penetration is another.

The problems with composite decking include a high rate of expansion and contraction from temperature swings. This characteristic can cause boards to split, delaminate, or peel. In addition, significant movement can cause shrinking, warping, twisting, and bending. For this reason, you should minimize moisture and ensure proper airflow below your deck.

Before installing a deck, you must build a base for the deck to rest upon, often made of compacted soil or gravel. While gravel is an optional material, it helps with drainage. Some contractors also recommend installing a weed control membrane, which helps provide a solid foundation for the frame. In the case of an elevated deck, a pro will often lay down a concrete slab as a foundation. 

Yes, it is possible to build a small, basic deck for $5,000, particularly if you use less expensive materials and a simple design. To stay within this budget, consider a size under 10x12 feet and use affordable materials like pressure-treated wood or cedar. While the general cost for deck building ranges from $4,350 to $12,560, with an average around $8,200, some projects can be completed for as little as $4,350. You can also save on labor costs by doing the work yourself, but be aware that mistakes could end up costing more than hiring a professional. A contractor may have a higher upfront cost, but they can ensure a safe, stable deck that will last.

The Islip, NY homeowners’ guide to deck cleaning services

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