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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
Heat Recovering Ventilation
Spray Foam Insulation 
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

Duncan, BC Dependable Basement Waterproofing & Spray Foam Insulation

We needed to have it done for medical reasons (mould showing) plus you were recommended by Ken Steinback of Classic...
Happy Customers Surrounding Duncan, BC
Work Requests

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Reviews From Duncan
Testimonials From Duncan
Satisfaction with the previous pump installation and follow-up.
Testimonial by Tom & Marilyn C. from Duncan, BC
Osborne Realty gave you an excellent reference
Testimonial by Ted V. from Maple Bay, BC
Allyson handled the initial inquiry very well. John and Shane did an excellent job of installing the insulation.
Testimonial by Michael B. from Duncan, BC

Duncan, BC Basement Repair, Crawl Space Repair and Spray Foam Insulation Contractor

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

Responsible basement waterproofing, crawl space repair, and spray foam insulation company serving DuncanBritish 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, spray foam insulation, 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 Duncan, BC.

Services we offer in Duncan:

  • 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.
  • Spray foam insulation installation
  • Air sealing draft proofing
  • Wind barrier insulation
  • Foundation insulation
  • Heat Recovery Ventilator (HRV) Installation
  • Concrete Coating 
  • Financing Available
  • FREE written estimates and inspections, and fast installation


Work Requests From Duncan, BC
Somenos Road in Duncan
Foundation/drainage issues causing front and back porch corners to give way.
Beverly St in Duncan
Crawlspace collects water during heavy rain - already has three inches of water. Looking at installing an interior drain system plus sump pump or other feasible options.
Cowichan Lake Road in Duncan
I am interested in getting a quote to put new insulation in our crawlspace. It is approximately 400 sq ft and about 4.5 feet high
Chaster Street in Duncan
We are looking to have spray foam insulation in the crawlspace of our rental.
Cowichan Lk Rd in Duncan
Crawl space is damp never been sealed properly have to crawl on ones belly to get around
Eagle View Place in Duncan
Selling our house and have been asked by a prospective buyer about our crawl space. As far as we know it is dry and there isn't any mould. It is encapsulated in a thick vinyl. We would be interested in having a free inspection and your recommendation of anything that needs to be done along with the cost. Many thanks.
Kinch Ave. in Duncan
Hi, we need the dirt floor in our crawlspace evened out, covered, & rat-proofed, and the crawl space insulated. Need done fairly soon so we can apply for a rebate. Can you please contact me to arrange for an inspection and quote?
Maple Bay Rd in Duncan
Looking for a quote on insulation for am unfinished basement that we would like to finish.
St Anns Dr in Duncan
Leaking crail space
Cowichan Lake Rd in Duncan
Partially insulated dirt floor crawl space needs upgrading
Gibbins Rd in Duncan
Hi I just moved and renovating a 1940's character home in Duncan. I know I have a few foundation cracks but also want quote for crawlspace to put something on ground down there so I can't see dirt.
in Duncan
New efflorescence creeping in basement. Need possible ceiling insulation increase.
Algonkin Road in Duncan
We have a large crawl space under our living room/dining room area that is not insulated. It creates very cold spaces during the winter. We would like an estimate on having the crawl space insulated.
Tbd in Duncan
I am looking into purchasing a home in the Duncan area. Inspection revealed some concerns with the crawl space. Recommendation to clean up and replace old ground sealant, remove old insulation from the joists and replace with perimeter insulation and reinforce beam supports.
Maple Bay Road in Duncan
Crawl space with dirt floor and uninsulated exterior block walls, Floors are also uninsulated, looking to get exterior walls insulated and install a good ground seal if recommended. (I've heard different Opinions on installing a ground seal)
Chippewa Rd in Duncan
Hi, we have what appears to be the beginning mold in our crawlspace. It appears in the framing and possibly in the fiberglass insulation. Can someone look at it and quote us on a solution. thanks,
Cambrai Rd in Duncan
We have an unfinished loft 800 sq/ft we would like insulated. exposed metal roof and rafters. We would like to be contacted to arrange a quote and discuss insulating options for the space. Thank you.
Arbutus Avenue in Duncan
I have a dirt crawl space and no proper insulation. I am wondering what it would take to alleviate this.....
Somenos Rd in Duncan
Non-insulated crawspace especially on foundation and joist boxes, damaged /missing ground sealed, present of dirt and debris
Trans Canada Hwy in Duncan
I am a realtor with Remax in Duncan. I have a client who has purchased a home and in the home inspection a small portion of the sill plate and rim joist in the crawl space have dry rot. She does not move in until end of October but is wanting to get some general quotes on what the repairs might cost. Are you able to give me a rough estimate? Thanks, Melissa
Serving the following Duncan, BC postal codes
V9L 0A1, V9L 0A2, V9L 0A3, V9L 0A4, V9L 0A5, V9L 0A6, V9L 0A8, V9L 0B1, V9L 0B2, V9L 0B3, V9L 0B4, V9L 0B5, V9L 0B6, V9L 0B7, V9L 0B8, V9L 0B9, V9L 0C1, V9L 0C2, V9L 0C3, V9L 0C4, V9L 0C5, V9L 0C6, V9L 0C7, V9L 0C8, V9L 0C9, V9L 0E1, V9L 0E2, V9L 0E4, V9L 0E6, V9L 0E8, V9L 0E9, V9L 0G1, V9L 0G2, V9L 0G3, V9L 0G4, V9L 0G5, V9L 0G6, V9L 1A1, V9L 1A2, V9L 1A3, V9L 1A4, V9L 1A5, V9L 1A6, V9L 1A7, V9L 1A9, V9L 1B1, V9L 1B2, V9L 1B3, V9L 1B4, V9L 1B5, V9L 1B6, V9L 1B7, V9L 1B8, V9L 1B9, V9L 1C1, V9L 1C2, V9L 1C3, V9L 1C4, V9L 1C5, V9L 1C6, V9L 1C7, V9L 1C8, V9L 1C9, V9L 1E1, V9L 1E2, V9L 1E4, V9L 1E5, V9L 1E7, V9L 1E8, V9L 1E9, V9L 1G1, V9L 1G2, V9L 1G3, V9L 1G4, V9L 1G5, V9L 1G6, V9L 1G7, V9L 1G8, V9L 1G9, V9L 1H1, V9L 1H2, V9L 1H3, V9L 1H4, V9L 1H5, V9L 1H6, V9L 1H7, V9L 1H8, V9L 1H9, V9L 1J1, V9L 1J2, V9L 1J3, V9L 1J4, V9L 1J5, V9L 1J6, V9L 1J7, V9L 1J8, V9L 1J9, V9L 1K1, V9L 1K2, V9L 1K3, V9L 1K4, V9L 1K5, V9L 1K6, V9L 1K7, V9L 1K8, V9L 1K9, V9L 1L1, V9L 1L2, V9L 1L3, V9L 1L4, V9L 1L5, V9L 1L6, V9L 1L7, V9L 1L8

our service area