Installed over a 4-inch plumbing vent stack to seal the roof opening, the Duraflo® Flexible Base Roof Flashing is made to withstand extreme cold weather conditions. This engineered material stays flexible in extreme cold conditions and accommodates a wide variety of pipe sizes.
Available with a 1-1/2”, 2”, 3” or 4” opening. The Flexible Base Roof Flashing outperforms in cold weather.