Got a Wet Basement? RCC Waterproofing is Vaughan’s number one waterproofing contractor specializing in waterproofing solutions and basement foundation repair. As Vaughan's oldest and largest waterproofing company, we have been providing Vaughan homeowners the best waterproofing service since 1920 in Vaughan, Markham, Richmond Hill, Woodbridge, Concord area. We will fix your leaky basement! RCC Waterproofing's experience in solving wet basements, damp basements, foundation cracks, and basement leaks is second to none. We offer waterproofing services like external waterproofing, internal waterproofing, sump pump repair, basement underpinning & basement lowering, basement repair, foundation repair and crack repair. Trust RCC!