Durovent with baffle attic vent channel.
Home made attic baffles.
Site built baffles have several possible advantages over manufactured baffles.
1 5 foam insulation makes up the air passage stand off.
The baffle itself is made of corrugated plastic.
In brief baffles are designed to provide a channel of air to flow through specific parts of your attic.
Things you ll need plywood tape measure 1 2 inch foil faced rigid foam insulation utility knife heavy duty stapler.
They can also be assembled from thin plywood or fiberboard sheathing.
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They can create deeper ventilation channels for example and can be sturdier.
The mounting flange is made of vinyl deck flashing bent in a small brake.
The secret is a homemade cutting jig that holds a utility knife blade.
They are usually made from cardboard or rigid foam board or polyvinyl chloride.
The rigid foam is cut to be 2 inches wider than the space between rafters then 1 inch of foam is scored and folded over on either side of the foam creating standoffs that hold the foam away from the roof sheathing providing a space for air to flow.
They also keep insulation from falling into and clogging up the eaves.
The beauty of attic baffles is that they are available from most home improvement stores and can be installed simply with a few staples if you want the diy approach.
They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.
They can reduce roof deck temperature minimize ice dam issues and can help control attic moisture.
Attic baffles also called channel vents vent chutes proper vent and about 50 other names help direct air flow from the soffit through the attic.