Oatey 1-1/2 in. to 3 in. Thermoplastic All-Flash No-Calk 11-1/4 in. x 15 in. Base Roof Flashing;

1-Piece construction eliminates any possibility of the collar coming off. Patent pending. Patented positive double seal ensures leak-free fit around Vent stack. Black color blends with modern roofing material Colors And is an excellent weathering color. No-caulk collar allows plenty of room for expansion and movement of pipe. Gives with the movement of the pipe while maintaining leak-proof seal. Fits roof angles from flat to 45 deg. Will not warp or crack. Never needs Caulking. Fits all types of pipe, copper, cast-iron, plastic, aluminum, and galvanized. Easy-to-install, slips over the vent stack and automatically adjusts to pipe size and roof angle. Won't rust or corrode. No roof discoloration.