The dual function design creates ventilation channels under the roof sheathing for healthy air circulation while integral baffles prevent wind washing.
Roof foam baffles ventilation.
As with attic floor insulation moisture and heat removal are the reasons for creating proper air.
Brentwood s accuvent baffles for roof ventilation are designed to save energy for cleaner greener living spaces.
Baffles establish a channel for air to circulate between the insulation and the roof sheathing.
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 are usually made from cardboard or rigid foam board or polyvinyl chloride.
In brief baffles are designed to provide a channel of air to flow through specific parts of your attic.
They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.
Site built baffles have several possible advantages over manufactured baffles.
They can create deeper ventilation channels for example and can be sturdier.