Connect with Top-Rated Waterproofing Services in Seattle!

Dependable Construction Supply, Inc. is a leading distributor of waterproofing products, specializing in below-grade waterproofing and deck coating systems. With over 30 years of experience in the Pacific Northwest, we pride ourselves on providing high-quality products, expert knowledge, and exceptional customer service. Our goal is to help contractors and homeowners alike get the job done right with the right products, at the right time, and at a reasonable cost. We strive for excellence in product knowledge, on-time deliveries, and a fully-stocked warehouse.