The United Union of Roofers, Waterproofers, and Allied Workers, based in Rochester, NY has approximately 249 members participating through the county. The union represents members who apply all types of roofing and waterproofing systems, including but not limited to: all low-sloped roofing systems (vegetative and solar photovoltaic roofs), structural waterproofing, steep-sloped roofing systems, and air barrier applications.