Products / GAF Master Flow Lead Roof Flashing

Master Flow Lead Roof Flashing is GAF's 2.5 lb lead boot flashing for pipes that pass through the roof. It can be molded to fit on shingle, clay or metal roofs, and models LRF1.5, LRF2, LRF3 and LRF4 fit 1.5, 2, 3 and 4 in. pipe diameters on 8.5 x 10.5 in. or 10.5 x 12 in. bases, each 10.5 in. overall height. GAF cites Federal Specifications QQ-L-171E Grade B and QQ-L-201F Grade B. The page states both that it is designed to adjust to roof pitches 3:12 and below and that it is designed to adjust to most roof pitches.