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Island Basement Systems

467 John St
Victoria, BC V8T5H1
Mon-Fri 8:00am-4:00pm
In business since 1997

Island Basement Systems is a full-service basement waterproofing company in Nanaimo, Port Alberni, Victoria, and the surrounding area. They are dedicated to providing solutions for a dry basement and crawl space repair in Vancouver Island, BC. Thousands of customers have Basement System's products all across North America.

As an authorized Basement Systems contractor, customers can benefit from:

  • 100% Customer Satisfaction
  • Awarded, Patented Products
  • Trained & Certified Technicians
  • Written, Transferable Warranties


  • Basement Waterproofing most effective solutions for wet basements.
  • Crawl Space Repair complete crawl space encapsulation & repair services.
  • Radon Mitigation provides a radon mitigation system in the home to lower radon levels
  • Foundation Repair for cracks, bowing walls, uneven floors, and more.
  • Sump Pumps systems are engineered to get water out.

Products Installed

  • Sump Pumps
  • Drainage Systems
  • Plastic Vapor Barrier
  • Downspout Extensions
  • Self- Draining Dehumidifier
  • Exterior Waterproofing
  • Basement Floor Tiles
  • Insulated Wall Panels
  • And More!

Service Area:

Island Basement Systems is proud to serve Black Creek, Bloedel, Bowser, Campbell River, Central Saanich, Chemainus, Cobble Hill, Colwood, Comox, Courtenay, Crofton, Cumberland, Denman Island, Duncan, Esquimalt, Gabriola Island, Galiano Island, Headquarters, Hornby Island, Ladysmith, Langford, Little River, Merville, Metchosin, Mill Bay, Nanaimo, Nanoose Bay, North Cowichan, North Saanich, Parksville, Pender Island, Powell River, Port Alberni, Quadra Island, Qualicum Beach, Saanich, Salt Spring Island, Saltair, Saturna Island, Shawnigan Lake, Sidney, Sooke, Thetis Island, Union Bay, Victoria, View Royal, Whistler, Youbou. and the surrounding areas.

Take a look at the before & after photos to understand the process this company takes to ensure each customer is satisfied with the outcome. Check out the 4.9/5-star reviews for their outstanding services. Call today to schedule your free estimate!

Basement Waterproofing Crawl Space Repair
By Ken T.
"Thank you the process was very easy: you did everything you..."
By Cheryl S.
"In conversation with friends I found they had completed..."
By John T.
"steve ? was our installer and impressed me very much. I am..."
By Ken M.
"Marshal was efficient in his work and explanation on how..."
Robin L.
Saltspring Is, BC
We are impressed with your service from quote to finished product!
Donna H.
Victoria, BC
Professionalism, relaxed and friendly manner have made spending money fun!
Beau S.
Comox Valley, BC
Thank you very much for your time and expertise on my crawl space project. I really appreciate your efforts...
Island Basement Systems Before & After
  • Exterior energy retrofit from the basement up
    Exterior energy retrofit from the basement up

    Exterior energy retrofit from the basement up

    Exterior retrofit before/after:   This Prospect Lake home had a mould problem on the interior due to the poorly insulated walls. Every winter, condensation would form on the cold walls, leading to a pretty nasty mould issue. In 2009, the owner had enough and the house was retrofitted. To repair the home, the walls were retrofitted by removing the batt insulation from inside and adding R13 of open cell foam. Then we added an exterior layer of  R18 closed cell foam, along with a rain screen system and new Hardie Plank siding. Now the walls are R31 rated are completely air tight! The roof was re-insulated as well with an exterior layer of closed cell foam, and new sheathing and shingles to complete the package. A true deep retrofit that also score 84 on the EnerGuide rating.   For this project, we started with the foundation repairs, and eventually solved the entire homes energy efficiency issues.
  • Crawl Space Insulation and Encapsulation in [major cities 1]
    Crawl Space Insulation and Encapsulation in [major cities 1]

    Crawl Space Insulation and Encapsulation in [major cities 1]

    Crawl spaces are highly susceptible to mold, pests, and rot due to the high humidity and exposure to moist soils. Island Basement Systems installed a CleanSpace encapsulation system to trap out the excess humidity in the crawl space, resulting in a more efficient energy system and ventilation for the home.
  • Saltspring Island Crawl Space Encapsulation and Vapor Barrier
    Saltspring Island Crawl Space Encapsulation and Vapor Barrier

    Saltspring Island Crawl Space Encapsulation and Vapor Barrier

    Check out this Saltspring Island crawlspace! From rodent-infested, musty and just plain nasty to clean, energy efficient, dry and even pleasant to look at!
  • Crawlspace retrofit 2008 Saltspring Island
    Crawlspace retrofit 2008 Saltspring Island

    Crawlspace retrofit 2008 Saltspring Island

    This home on SSI was an old cabin with the usual issues; cold floorts, rats, musty smells and rotting rim joists. Our crawlspace remediation converts old crawlspaces into conditioned crawlspaces; warm, dry, energy efficient, and with much better indoor air quality too. Plus the owner can now use it as a viable storage area! Our systems come with long term transferable warranties too, so if you're buying or selling your home, know that our crawlspace repair methods are the best on the Island.
HPCN Member

HPCN Member

Basement Systems 10 Year Dealer Award

Basement Systems 10 Year Dealer Award

CleanSpace Installer Award

CleanSpace Installer Award

Peter Spaans

Peter Spaans

General Manager

Chris Schmidt

Chris Schmidt


Giovanni Agostini

Giovanni Agostini


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