All-Flasha® No-Calka® Roof Flashings/Thermoplastic BaseFeatures: Patented All-Flasha® design allows use on multiple pipe sizes. Thermoplastic base. Rated 180a°F continuous heat and approved for Type B installations. Plastic base for pitch from 0-45a°. Self-sealing collar slides over pipe and requires no caulking. Do not use petroleum based products or paint on flashing collar or plastic base. Not for hot-mopped or built-up roofs