About Us
Harper Winn is the Pacific Northwest’s Leading Reps for the Entire Building Envelope
As the largest rep group in the PNW, we carefully select a focused range of top-quality products with proven performance, ensuring each brand we represent receives the attention it deserves.
We pride ourselves on being responsive, knowledgeable, and focused on the best products in the industry.
Our Principles
Expertise and Accessibility
We pride ourselves on being easily reachable and highly knowledgeable about the products we represent, ensuring you get expert advice and support whenever you need it.
Innovation and Creativity
We bring cutting-edge solutions and creative approaches to every project, regardless of its scope, to meet and exceed your expectations.
Quality and Focus
By representing only the best products in the industry, we maintain a high standard of performance and reliability, making sure our offerings are both exceptional and well-supported.
Recognition
New Product Sales Award Winner
NPS Elite
Carlisle National PVC Sales Award Winner
Carlisle
Nominated for Carlisle Rep of the Year
Carlisle
Association Membership
International Institute of Building Enclosure Consultants (IIBEC)
Construction Specifications Institute (CSI)
Air Barrier Association of America (ABAA)
Sustainable Roofing & Waterproofing Alliance (SRWA)
American Institute of Architects (AIA)
Seattle Building Enclosure Council (SeaBEC)
National Roofing Contractors Association (NRCA)