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.
Installing vent in old roof.
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A roofer will from the attic mark a spot near the ridge of the roof he may first use nails from the attic to mark preferred spots between two rafters.
If a chimney intersects the ridge you.
Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so.
The installation of a turbine vent is nearly identical to a static vent.
What you ll need to install a roof vent.
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.
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Leave the drill bit sticking through the roof so you can find the hole.
First head up to your attic and determine where you want to install your roof vent.