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*The Angi rating for Basement Waterproofing companies in Seward, AK 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 Seward, AK 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 July 15, 2026

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Avatar for J&B Construction
J&B Construction
4.5(
2
)
Basement Drainage Channels - Install

Serving Seward, AK and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Kent has done everything he has said he would do along with give us some improvement suggestions that would either make the project better or save us some money."
Engineered footing system
1000 gal. ploy tank being installed
excavation completed and starting footer system.
Back filling the fox block footing system after insulation placed at lower footer.
DBL Clean out at tank. Preferred install method

+14

Recommended by100%of homeowners
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Avatar for Equity Builders
Equity Builders
1.0(
2
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Seward, AK and surrounding areas

In business since 2005

Free estimates

Emergency services offered

We are committed to providing excellent customer service and professional work. We work to keep our overhead low to give the best prices to our customers. Check us out at equitybuildersak.com

Foundation Garage Addition
Fireplace
Addition
New Construction Drywall
Basement

+4

Recommended by100%of homeowners
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Basement Waterproofing questions, answered by experts

Yes, you can technically make a crawl space liveable, but the only way to do so is by converting it into a basement. While some crawl spaces are big enough to walk through and store large items, they lack appropriate insulation and space to be liveable.

Mold growth is just one common sign of excess moisture in the bathroom. You may also see the paint in the room start to peel away from the walls, or that the walls remain wet for some time after you bathe.

Condensation on the windows is another sign that your bathroom has a potential moisture problem. The room itself may start to smell like mildew.

Some basement waterproofing methods can actually cause your water or moisture problems to get worse, which is why it’s so important to call in a professional who knows how to solve your underlying issue and use the appropriate waterproofing methods. An example of this would be applying latex waterproofing paint to the insides of your basement walls without fixing the water issue outside. Doing so can trap moisture in the basement walls, which can promote mold growth, peeling paint, and even damaged concrete. However, when done by a professional, the only downside to basement waterproofing is the up-front cost.

Many prevention methods can be used individually or in combination to waterproof your basement. Some of the most common waterproofing methods include:

  • Using dehumidifiers 

  • Silicate concrete sealers

  • Vapor barriers 

  • Baseboard channels 

  • Drain tile systems

  • Waterproofing paint

  • Drainage systems

  • Epoxy injection

  • Interior French drains

  • Exterior excavation and waterproofing

  • Cement waterproofing

  • Weep tiles

  • Liquid membrane

  • Sheet membrane 

  • Yard grading

  • Gutters and downspouts

The most challenging part of finishing a basement is addressing moisture control. Basement waterproofing is an essential task that requires a professional’s skills and knowledge. If you don’t properly waterproof your finished basement, it’ll be vulnerable to dampness, water damage, and mold growth. Ensuring proper insulation and ventilation to combat these issues while meeting building codes adds complexity to your remodeling project.

The Seward, AK 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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