Washington Alteration Re-Roofing for Low Slope Roofing is a roofing system that is designed to be installed on existing sloped roofs. This type of roofing system is designed to be waterproof and long-lasting with minimal maintenance. It is also designed to provide an aesthetically pleasing look. The most common types of Washington Alteration Re-Roofing for Low Slope Roofing are Modified Bitumen, Built-Up Roofing (BUR), Single Ply Membrane, and Metal Roofing. Modified Bitumen is a type of membrane roofing system consisting of asphalt-based sheet materials reinforced with fiberglass or polyester mats. BUR systems are a traditional asphalt-based roofing system consisting of several layers of roofing felts and asphalt that are installed in alternating layers. Single Ply Membrane is a type of roofing system that consists of a single layer of synthetic waterproof material such as EDM, PVC, or TPO. Metal Roofing is a type of roofing system that consists of metal panels or sheets that are installed over an existing roof. Washington Alteration Re-Roofing for Low Slope Roofing is an excellent option for improving the look and performance of an existing roof. It can provide excellent protection from the elements and can help increase the energy efficiency of a home or building.