Rubber EPDM membrane is used widely throughout many industries to provide an airtight and weather-tight seal. The rubber membrane is a very flexible material. A safe, solvent free adhesive can be used to adhere the membrane to the common substrates. Dortech supply a wide range of EPDM products, specifically manufactured for the glass and glazing industry, our range consists of EPDM rubber membrane, adhesives, glazing tapes (commonly known as 'dry glazing tape') and other applicators and tools. When installed correctly, the EPDM system helps the building achieve Document L.