Ado Products Plastic Provent 14 X 48 UPV14480 Product Description:
Product Description
Allows an unobstructed air channel through insulation. Constructed of high impact polystyrene providing superior strength. Wide flanges for easy stapling. Recommended for insulating existing attic space. One ventilation channel per rafter or truss is recommended. Baffles can be cut to fit any joist space.
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