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Products & Services
Basement Waterproofing
Basement Dehumidifier
Basement Mold Remediation
Basement Sealing
Basement Seepage Solutions
Basement Wall Repair
Drain Tile Installation
Dry Basement Systems
Exterior Waterproofing
Flooded Basement Repair
Foundation Waterproofing
French Drain Installation
Interior Waterproofing
Leaky Basement Repair
Sump Pump Drainage
Sump Pump Installation
Sump Pump Repair
Sump Pump Battery Backup
Wet Basement Solutions


Crawl Space Repair
Crawl Space Access Doors
Crawl Space Dehumidifier
Crawl Space Drainage
Crawl Space Encapsulation
Crawl Space Insulation
Crawl Space Liner
Crawl Space Moisture Barrier
Crawl Space Moisture Control
Crawl Space Mold Removal
Crawl Space Sealing
Crawl Space Sump Pump
Crawl Space Vapor Barrier
Crawl Space Ventilation
Crawl Space Waterproofing
Other Services
Concrete Coating
Foundation Repair
Company Awards
Basement Systems 10 Year Dealer Award
To certify that Island Basement Systems has reached the milestone of 10 years as an authorized Basement Systems Dealer.... [Read more]
CleanSpace Installer Award
In recognition of Island Basement Systems having installed 1 million square feet of CleanSpace.... [Read more]
More Awards

Pro Basement Waterproofing & Crawl Space Encapsulation in Denman Island, BC

All good.  Your crew did a really good job.     Ken...
Happy Customers Surrounding Denman Island, BC
Work Requests

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Reviews From Denman Island
Testimonials From Denman Island
I wanted to extend a thank you to Steve and Giovanni for a job well done.
Testimonial by Margot D from Denman Island, BC
We are very happy with the service!
Testimonial by Dale R. from Denman Island, BC

Denman Island, BC Basement Repair, Crawl Space Repair and sump pump installation

For FREE no-obligation basement waterproofing, crawl space repair, concrete coating, HRV System Installation, sump pump installation estimate in Denman Island, BC, please fill out the form to the right completely. Island Basement Systems will contact you shortly.

Responsible basement waterproofing, crawl space repair, and sump pump company serving Denman IslandBritish Columbia

We not only adhere to the highest industry standards, we strive to be the industry leader in the home improvement related services, including basement waterproofing, crawl space repair, sump pump installation and more. We also use state-of-the-art products and technology which are designed to repair your home. We are the authorized Basement Systems dealer in Denman Island, BC.

Services we offer in Denman Island:

  • Wet/flooded basement waterproofing solutions.
  • Lifetime warranty on all perimeter waterproofing systems.
  • Sump pump installation
  • Mold mold control
  • Crawl space structural repair
  • Crawl space insulation
  • Crawl space sealing with CleanSpace vapor barrier.
  • 25-year warranty on crawl space encapsulation systems.
  • Foundation insulation
  • Concrete Coating 
  • Financing Available
  • FREE written estimates and inspections, and fast installation


Work Requests From Denman Island, BC
Project Location: Denman Island, BC
Do you install insulation in attics and have access to the B.C. Hydro rebate program or is your specialty restricted to basements and crawl spaces? I look forward to hearing from you although we are currently in an area with sporadic/limited cell and wifi service. Cheers John
Project Location: Denman Island, BC
I want to insulate the perimeter of a @1000 sq ft crawlspace house by removing old underfloor insulation, insulating concrete perimeter walls and spray foaming joist bays

our service area

Our service area