Technical Waterproofing, Inc., has been preserving history and helping build the future since 2001. We specialize in projects of all sizes in the Pacific Northwest. We are experts in the industry and take pride in the work we do. A graduate of the University of Washington (BA Business), Mark has worked in construction since 1985. The first 16 years were on the supply side with a local distribution company, focusing on sealants and waterproofing products. This is where he learned and came to understand the importance of the "technical" aspect of the products that we use today.