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TRUSTED BY SULLIVAN, WI HOMEOWNERS

  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon17
    Verified deck maintenance services reviews

Top-Rated Deck maintenance specialists in Sullivan - Updated Nov 2026

Milwaukee Pressure Wash Inc
4.9(
90
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Sullivan, WI and surrounding areas

Approved

In business since 1970

Free estimates

Warranties offered

"Dave was very professional and prompt. He answered all of questions without hesitation which told us that he has been in the business for quite awhile. He takes his time and and thoroughly cleans up after his job is complete. I would definitely recommend him for pressure washing decks. He also does deck staining."
Response time2 days
Response rate100%
3 neighbors recently requested a quote
Avatar for Legacy
Legacy
5.0(
1
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Sullivan, WI and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

Legacy is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today! \n \n

Legacy Welding
Legacy Welding
Legacy Welding
Legacy Welding
Legacy Welding

+8

Response time3 days
Avatar for Advance Window cleaning and Power Washing
Advance Window cleaning and Power Washing
4.7(
14
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Sullivan, WI and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"I was very happy with Advance Cleaning’s work. I had water coming into my basement after a lot of heavy rainfall, so I knew I needed to deal with my gutters. Yanks was very responsive, scheduling was quick and easy, and he and his associate were on the job very fast! They worked nonstop on a very hot day and made sure all the downspouts were flowing freely before they finished. Everything works and looks really great after their work."
Additional Photos
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Additional Photos

+36

Recommended by100%of homeowners
Ken Abrahamson Services
4.0(
99
)
Deck, Fence, Patio or Porch - Clean and SealDeck, Fence, Patio or Porch - Clean and Seal - For Business

Serving Sullivan, WI and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"Ken and his helper did a great job on the ramp! I was happy to hire him, especially when I found out that he was a veteran.....we should all do as much as we can to help those who served us! He will be back to work on another project soon."
nashotah
nashotah
nashotah
Recommended by47%of homeowners
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Deck Maintenance FAQs, answered by experts

Decks require several inspections during and after the building process, but the specifics vary depending on where you live. Most areas mandate that decks comply with local building codes and safety regulations for the foundation, framing, and structure. Some pros recommend a footing inspection, which verifies the depth, width, and location of the various footings to ensure they offer enough foundational support.

The proper and most comfortable height for a deck stair riser, also called a step, is between four and seven inches. A height of seven inches is often considered ideal for a strain-free step that minimizes the risk of trips and falls. While it is possible to have risers up to 12 inches, this height can be challenging for children, pets, or individuals with mobility issues. For optimal safety and comfort, pair a seven-inch riser with a tread depth (or run) of at least 10 to 12 inches. Always check your local building codes, as they may have specific requirements that differ from these general recommendations.

You can nail or screw composite decking, but 3-inch decking screws are the better fastener choice. Unlike nails, decking screws won’t back out of the composite material over time. There’s also little danger of splitting composite material when driving screws, so you don’t need to pre-drill holes unless otherwise recommended by your decking manufacturer.

It depends on the type of wood. The average cost to build a deck out of pressure-treated lumber is $15 to $25 per square foot, but more affordable varieties such as bamboo and cedar cost less at around $3 to $10 per square foot. However, when comparing the cost of vinyl decking versus wood decking, it’s important to also consider ongoing maintenance costs. For example, most woods require regular sealing to keep them protected against weather and rot.

What goes under your floating deck depends on your preferences. Some homeowners put landscaping fabric underneath their decks to prevent weeds from popping up through the boards. Others choose to build a floating deck over grass or gravel. However, it’s best not to set your deck directly on the ground. Instead, set your deck on blocks to keep it elevated enough to prevent moisture from rotting the wood.

The Sullivan, WI homeowners’ guide to deck maintenance services

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