What you ll need to install a roof vent.
Installing vent in old roof.
The installation of a turbine vent is nearly identical to a static vent.
When installing ridge vents in an old house close off all the existing gable vents or roof vents to ensure you don t have too much exhaust ventilation.
Start in the attic and drill a hole through the roof in the desired vent location.
This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.
If a chimney intersects the ridge you.
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Leave the drill bit sticking through the roof so you can find the hole.
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First head up to your attic and determine where you want to install your roof vent.
Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so.
Try to keep it close to the fan location.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.