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.
Install vent stack roof flashing.
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.
1 remove nails holding down shingles above the pip.
Following is the proceedure for installing the dsa flashing.
30 gauge roof flashing with tapered stack is press sealed for maximum leak protection.
Installing a new shingles on your roof is not a complex project.
Longer than the diameter of the pipe.
It s an stretchable uncured epdm membrane with a butyl adhesive backing and rated for full exposure to uv light.
Cut the pieces at least 6 in.
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.
This flashing is super thin and very flexible to curve around the humps in the metal roofing.
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.
How to install a flashing on a metal roof.
All oatey flashings are rated for a minimum of 180 f continuous heat and approved for type b installations.
Mike likes protecto wrap s form flash 2 epdm for this application.
Roofing nails per side photo 2.
The use of the correct sized vent boot as flashing will help to ensure a watertight seal.
Vent pipes vary in size.
Flashings are available in a variety of thermoplastic aluminum galvanized and copper materials.
Patented and proven both systems form a weathertight seal for vent pipe penetrations and utilizes three independent gasket systems which are designed to work in conjunction with each other to keep out the elements and you off the roof.
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.
Starting at the lower half of the vent pipe i stretch a 5 in.
I prefer to use a dsa flashing also known as a dead soft aluminum flashing.
