Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so you can find it from the outside.
Shingling a roof vent.
A shingle over vent is installed over the ridge of a roof and is covered over by asphalt shingle caps that match the surrounding roof shingles.
Openings along the sides allow air out of the attic cooling the space and lowering your air conditioning bill.
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First head up to your attic and determine where you want to install your roof vent.
Following manufacturer s instructions for securing the vent the roofer will likely spread plastic roof cement on the underside of the vent place it over the hole slip the flange under the top side shingles and lay the flange over the down slope shingles.
An aluminum ridge vent has a mushroom shaped profile combined with a wide flange on both sides that sits on top of the roof shingles.
Clear the shingles in the area to make room for the vent.
Shingling around roof vents.
Locate the drill bit.
Next position your ladder against your home and climb up to your roof.
Roofers use a circular saw to cut a long slot along the roof ridge if there isn t one then cover it with a plastic flap as shown or a flexible vinyl matrix.
No nails through the vent flange at or above the bottom of the vent hole opening.
The ridge of the roof is prepared similarly for both types of ridge vent.
Venting prolongs the life of the roof.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed.
To vent the ridge cut back sheathing at least 1 in.
Plenty more videos t.
When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.
This aluminum cap is the finished product and does not require additional asphalt shingle ridge caps.
Get on your roof using a ladder and locate the nail.
On either side of the ridge board.
Then run underlayment and wood shingles to the edge of the sheathing before nailing a ridge vent over the opening.
Otherwise cut out the shingles using a utility knife.