0101 PVC Roof Membrane - Flat Roofing - Plastic Roofing PVC Thermoplastic -

Image Text: Seams are often sealed with hot air welding, but solvent welding is also used > the membrane is typically secured to the roof sheathing with contact cement, mechanical fasteners or ballast > roof sheathing > typically 5 feet to 10 feet wide > downward slope of roof > skylight > flashings are typically PVC or PVC clad metal > Note: when very cold, PVC roofs can get brittle > this is even more of a problem if the membrane is tight > do not walk on a PVC roof if the temperature is below 50 degrees Fahrenheit