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Company Awards
BBB A+ Rating
Rainy Day Basement Systems boasts an A+ rating with the Better Business Bureau and enjoys perfect customer satisfaction with stellar... [Read more]
Installed 1 Million Sq. Ft. of CleanSpace
At the 2017 IMPACT Convention, the Rainy Day Basement System team were awarded for having installed 1 million square feet... [Read more]
EnerBank USA 2023 Star Performer Award
Rainy Day Basement Systems has been recognized by EnerBank USA as a 2023 Star Performer.... [Read more]
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Insightful Sump Pump Installation & Basement Waterproofing Company in Lummi Island, WA

Extremely satisfied. The crew was polite, professional and efficient. I liked the encapsulation process, Dan's explanation, power point and printed...
Happy Customers Surrounding Lummi Island, WA
Work Requests

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Reviews From Lummi Island
Testimonials From Lummi Island
Thrilled. Previous work done. I told Kevin I wanted to have the job done because I was so delighted with the...
Testimonial by Kjerstin S. from Lummi Island, WA

Do you have basement flooding, crawl space moisture or mold, cold floors, or other basement or crawl space-related problems? Rainy Day Basement Systems provides Lummi Island, Washington homeowners with reliable basement waterproofing, crawl space encapsulation, basement insulation, and more. We are the Basement and Crawl Space Specialists, committed to creating a reliable experience for every homeowner who trusts our professionals with their basement or crawl space repair needs.

Whether you need complete basement waterproofing or a moisture-proof crawl space encapsulation system, you can trust us for these solutions and much more!

Our Services include:

  • Basement Waterproofing
  • Crawl Space Encapsulation
  • Basement and Crawl Space Insulation
  • Basement Air Purifier Installation
  • Sump Pump Installation & Service
  • Foundation Crack Repairs

Schedule a free estimate to learn more today! We proudly serve Lummi Island, WA and surrounding areas.

Wet Basement Repair & Waterproofing in Lummi Island

Wet basements wreak havoc on your home's foundation, and as a homeowner, you want fast, reliable solutions. Rainy Day Basement Systems provides innovative, award-winning, and patented basement waterproofing solutions. We want to remedy your wet basement efficiently to prevent mold growth, structural issues, pest problems, and more. Schedule a free estimate with our trusted professionals today and leave your waterproofing issues in the past!

Our basement waterproofing solutions include:

  • Sump pump installation & maintenance
  • Interior drainage systems
  • Self-draining dehumidifiers
  • Subfloor matting
  • Drywall repair systems
  • And more!

Don’t wait to protect your home against water in the basement! Schedule a free, no-obligation basement waterproofing estimate today.

Lummi Island crawl space repair & encapsulation solutions

When crawl space moisture problems are left untreated, they can lead to mold growth, wood rot, sagging floors, musty odors, unhealthy indoor air, and discomfort throughout the house. Waterproofing and sealing the crawl space with the right solutions can eliminate odors and provide improved air quality, comfort, energy efficiency, and an overall healthier home.

Our crawl space solutions include:

  • CleanSpace vapor barrier
  • Structural support jacks
  • High-performance dehumidifier
  • Rigid foam insulation
  • Crawl space winterization
  • Interior drainage systems and sump pumps

Schedule a free crawl space repair estimate today! We proudly serve Lummi Island, WA and surrounding areas.

Insulation for your basement or crawl space in Lummi Island Insulating your basement or crawl space can improve the energy efficiency of your whole home. Whether you have a basement, crawl space, or both, we know to properly air seal and insulate basements and crawl spaces to increase the comfort and durability of the home and provide a drier, usable conditioned space for home occupants, stored items, or HVAC equipment. Our professionals can pinpoint issues and recommend the right solutions based on home your home’s needs that will save you money and prevent comfort and moisture issues in the future.

We offer insulation solutions for:

  • Exterior basement walls
  • Crawl space walls
  • Basement floors
  • Crawl space floors
  • Concrete slabs
  • Dirt crawl spaces

Schedule a free basement or crawl space insulation estimate in Lummi Island, WA today.

Case Studies From Lummi Island
Kjerstin S. was concerned about the condition of the crawl space in her home on Lummi Island. The crawl space was leaking and fallen insulation had...
Job Stories From Lummi Island, WA
Waterproofing on Lummi Island, WA

During heavy rains, Sandi's family home had water in the crawlspace, and seepage through cracks in the basement. They had existing pumps but were looking for a more permanent fix. We sent out Jean-Paul to provide an inspection and estimate, where he designed a system to waterproof their home. The system included an interior drainage channel, sump pump, and vapor barrier installation. Their home will now stay dry all the time.

SilverGlo Wall Insulation Installation in Lummi Island Home

This homeowner had already used our services previously in 2009. We had encapsulated her crawl space and added drainage and a sump pump to rid her crawl space of moisture vapor and associated problems, such as odors and mold. Happy with the work we completed, she came back in 2013 to have more performed. In addition to the encapsulation, the homeowner wanted to add SilverGlo Wall Insulation. This moves the home’s thermal boundary to the foundation walls, making the home more comfortable and the HVAC system more effective. SilverGlo was also installed on the perimeter of the floor framing, known as the rim joist, where air infiltration and conductive heat loss are at its highest. The addition of SilverGlo Wall Insulation to this Lummi Island crawl space overall, will make the home more comfortable and more energy efficient. 

Work Requests From Lummi Island, WA
Project Location: Lummi Island, WA
Have mold and wet exterior walls in the crawl space. Would like a second estimate.

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