Founded in 1950, Colorado Steel Sash Company Inc. has been a pivotal player in supplying essential building products, tools, and consumables to the professional glazing and waterproofing industries across the Pacific Northwest. Based in the Georgetown neighborhood of Seattle, this family-owned business is dedicated to delivering top-quality products and services to contractors and DIY enthusiasts alike.
Specializing in a range of industrial-grade sealants, including silicones, urethanes, butyls, and proprietary polymers, Colorado Steel Sash offers a diverse product selection that meets the diverse needs of the construction and building envelope sectors. Their inventory extends to various tapes such as adhesive foam, PVC, butyl, and custom-sized foam tapes, which they produce at scale—manufacturing hundreds of thousands of feet annually, often with rapid turnaround times.
The company's commitment to offering American-made products whenever possible fosters a strong connection to the region's values and standards. Their substantial expertise ensures clients receive reliable and informed service, whether they're picking up supplies from their conveniently located warehouses in Seattle and Portland or ordering online for delivery across the United States.
Moreover, Colorado Steel Sash is known for its flexibility in catering to contractors' needs, providing quick service, accurate lead times, and a vast array of complementary accessories necessary for product applications. This dedication to both contractors and the general public underlines their mission to support the professional installer and make high-quality materials accessible to all those engaged in building and construction. With over 70 years of experience in the industry, Colorado Steel Sash remains a trusted partner in developing a strong and sustainable construction landscape in the Pacific Northwest.
