Since all commercial roof structures are unique to their design, our factory-trained and highly-skilled staff is here to provide roofing solutions that best suit your commercial building. We have built n excellent reputation from our ever-expanding list of commercial clients by meeting their needs, and successfully overcoming roofing challenges with innovative work that exceeds their expectations. Cascade United Roofing has been building high quality custom roofs in Oregon since 1959. Our professional roofing contractors install roofs in West Linn, Beaverton, Tigard, Lake Oswego, Wilsonville and Portland.