After shingling up to and around the vent pipe guertin uses 6 in wide strips of uncured epdm flashing tape with a butyl adhesive backing to flash around the vent pipe.
Install vent stack roof flashing.
I prefer to use a dsa flashing also known as a dead soft aluminum flashing.
30 gauge roof flashing with tapered stack is press sealed for maximum leak protection.
How to install a flashing on a metal roof.
Following is the proceedure for installing the dsa flashing.
Starting at the lower half of the vent pipe i stretch a 5 in.
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Center the pipe in the flashing and push the flexible front corners up or down so that the flashing pipe is parallel to the vent pipe.
Wide piece of tape over the rubber collar and onto the aluminum flashing making sure to press the tape into all the contours for a good seal.
Rubber vent flashing automatically adjusts to any pitch lift the vent enough to spread caulk under the sides but not the bottom edge then nail with three 1 1 4 in.
Cut the pieces at least 6 in.
The use of the correct sized vent boot as flashing will help to ensure a watertight seal.
Kozy kollar products are the only roof vent boot flashing or exhaust hood you install from inside a building and over shingles or similar roofing materials.
It s an stretchable uncured epdm membrane with a butyl adhesive backing and rated for full exposure to uv light.
Installing a new shingles on your roof is not a complex project.
All oatey flashings are rated for a minimum of 180 f continuous heat and approved for type b installations.
Get automatic lifetime protection on your entire gaf roofing system when you install any gaf lifetime shingle and at least 3 qualifying gaf accessories you ll automatically get a lifetime limited warranty on your shingles.
This flashing is super thin and very flexible to curve around the humps in the metal roofing.
However in order to ensure that the roof is watertight it is important that the shingles and flashing are installed properly around a vent pipe or drain stack.
Roofing nails per side photo 2.
Mike likes protecto wrap s form flash 2 epdm for this application.
Flashings are available in a variety of thermoplastic aluminum galvanized and copper materials.
Ventilation and attic vents.
Vent pipes vary in size.
