Eliminating EPDM or an additional single ply membrane is easy as well as relatively affordable. Membranes from different brands have various chemical formulations, and some do much better in certain environments than others. <h3>TPO roof covering.</h3> <div itemScope itemProp="mainEntity" itemType="https://schema.org/Question"><div itemProp="name"><h2>What's plastic roof called?</h2></div><div