We service the Lower Mainland and Fraser Valley areas. Basement Systems Vancouver Inc. is the B.C. Distributor of Cosella-Dorken's Delta-MS, Delta-FL and Delta Drain. Delta-MS, which we feel is the best quality air gap drainage membrane, has been protecting new and existing foundations for over 27 years worldwide with a 50 year manufacturer backed warranty. When you choose Basement Systems Vancouver Inc., you don't just choose Basement Systems Vancouver Inc. - you choose and receive the knowledge, expertise and experience to ensure your waterproofing investment was a great choice.If you have a wet basement or wet crawlspace, we will assess why you have a wet basement and repair the moisture problem. This will be backed with our Nationally Backed Transferable Warranty.