Proper Installation Of Roof Vent Flashing

Roof shingle over step flashing.

Proper installation of roof vent flashing. There s no need to lace the flashing pan into the shingles since the boot and bell of the new flashing will shed water around the damaged part of the old one. Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing. Step flashing on roof peak. It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.

Next place your vent flashing on top of the membrane. The metal flashing must overlap the material not the other way around. Bend the corner flashing tightly around the corner. Vent pipes vary in size.

Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place. Installing a new shingles on your roof is not a complex project. If a torque wrench is not available tighten the rod couplings until the lower mounting plates begin to distort. Recaulk the joints between the roof and the flashing.

Fasten loose nails and cover exposed nail heads with roofing cement. Starting with the top studs tighten the rod couplings to approximately 3 foot pounds. In simplest terms a new vent pipe boot flashing is slid over the top of the existing one and the top edge of the pan is lapped beneath the overlying shingle course. The use of the correct sized vent boot as flashing will help to ensure a watertight seal.

If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. This helps to prevent the nails from popping up over time due to the effects of weather. When installing the roof vent flashing fasten the nails properly covering the exposed nail heads with a little bit of roofing tar.

Installation first requires a wood frame made of 2x4s installed from the attic between two studs. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. Rather than being installed on the roof gable vents are installed on the exterior side wall of the home near the roof ridge. The kozy kollar requires compression to work.