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Verified Reviews for Basement Waterproofing pros in Lahaina, HI

*The Angi rating for Basement Waterproofing companies in Lahaina, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

*The HomeAdvisor rating for Basement Waterproofing companies in Lahaina, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

Last update on November 22, 2025

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A Cut Above Roofing

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A Cut Above Roofing

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Emergency services offered

For more than 20 years, A Cut Above Roofing has been providing residential and commercial deck, siding, waterproofing, and roofing services to Maui, HI. Our expert roofers provide efficient, high quality workmanship. Whether you need your whole roof redone or a patch repaired, we can fix it.

For more than 20 years, A Cut Above Roofing has been providing residential and commercial deck, siding, waterproofing, and roofing services to Maui, HI. Our expert roofers provide efficient, high quality workmanship. Whether you need your whole roof redone or a patch repaired, we can fix it.

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Island Pressure Wash, Inc

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Island Pressure Wash, Inc

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17 years of experience

We are a licensed and insured company with friendly expert staff that can provide reliable and professional services. We offer free quotes for all jobs.

We are a licensed and insured company with friendly expert staff that can provide reliable and professional services. We offer free quotes for all jobs.

Basement Waterproofing questions, answered by experts

Water can seep into porous materials like wood beams, floor joists, and roof rafters within minutes, but they’ll need to see prolonged exposure before you have structural damage. Mold can start growing within 24 hours, and mold can eat away at the structural components over time. Wood rot is more of a concern, though. Wet and dry rot are fungal infections that set in in moist conditions and rapidly deteriorate wood, causing major structural damage within just a few months in some cases.

Yes, crawl spaces can attract bugs, especially since moisture tends to build up in the space, and moisture attracts pests. A good way to prevent pest infestation in your crawl space is to install a vapor barrier—called crawl space encapsulation—on the interior to seal the space, along with a French drain or some other kind of foundation drainage system outside to keep runoff out of your crawl space. You can also seal foundation cracks and repair damages to cut off access to pests.

Yes, you can enclose your crawl space. Enclosing your crawl space can promote energy efficiency and reduce the risks of pests and mold by limiting factors like humidity. It can also reduce heat loss, which is why doing so for the winter can make your home more comfortable.

Methods include interior sealants, exterior excavation and waterproofing membranes, sump pump installation, and vapor barriers for encapsulation. Techniques vary based on the structure and severity of moisture issues.

A sump pump can be added to an existing basement. To do this, you will need to use a jackhammer or sledgehammer to break up the concrete and dig a pit. You will also need to create a hole in your basement wall to run the discharge pipe through.

The Lahaina, HI homeowners’ guide to basement waterproofing services

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

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