The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top plate.
Roof foam baffles.
When set into place and sealed with spray foam the vent baffles are insulated and air sealed.
Item 1571672 model xudv2248.
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.
Durovent durovent 22 in x48 in raft vent 10 pack.
Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
Typically made from polyvinyl chloride rigid foam board or cardboard they can be installed with a few.
The ado products durovent 23 1 2 in.
Putting baffles in your attic is a crucial step in installing attic insulation.
Baffles are also called wind baffles venting chutes rafter vents or insulation baffles.