Good attic ventilation is important for preventing ice dams in the winter.
Install a roof turbine vent.
Remove the shingles around the turbine s desired location.
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Add sealant and flashing around the seams to prevent leaks.
How to install roof turbines.
The best ones provide years of maintenance free service since they have permanently sealed ball bearings.
Screw the turbine down.
In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq.
Attic must have 5 sq.
Continue by drilling a hole in the center of the marking through the decking felt and tiles.
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.
Of vent for every 300 sq.
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Using your marker pen trace around the edges of the vent on the underside of the roof.
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Ridge vent systems normally run the full length of the roof.
Roof turbines are usually less expensive to install because they only require the removal of a small section of shingles and an appropriately sized hole to be drill through the roof.
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These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Leak proof installation the roofer your builder hires can install a turbine vent in less than 15 minutes.
Flashing and sealant is used to prevent water from seeping in around the opening.
Drill a ventilation hole.
When you have figured out precisely where the vents will be installed place the neck of the turbine up against the roof inside the attic.
Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.