About Us

Supplying Professional Contractors for over 70 years

Since 1950 Colorado Steel Sash has been distributing products, tools and consumables to professional glaziers and the waterproofing industry in the Pacific Northwest. Our products are distributed out of two warehouses in the northwest, one in Seattle and one in Portland. We also distribute select products nationwide through our online portal foamtapewarehouse.com Products are fulfilled by our employees and staff from one of our two warehouses.

Locally Owned and Operated

Colorado Steel Sash is a family owned business with headquarters in Seattleā€™s Georgetown neighborhood. We love the Pacific Northwest and are committed to providing only the best products and honest services to our partner contractors in Washington and Oregon. If you are finding us online and purchasing for the first time, know that you have come to the right place for foam tape expertise. Have questions? Give us a call, we are always happy to help 8:00 a.m. – 4:30 p.m. Monday through Friday PST.

Warehouse & Will Call

Our Seattle and Oregon warehouses are open 6 days a week for product selection and pickup. We cater to the professional installer and contractor by providing fast in-and-out pickup, accurate product lead times, and a wealth of industry and product knowledge. Although we specialize in serving contractors, we are open to the general public.