Provides the best moisture and air infiltration seal between the rafter vent and wall top plate. Works with Durovent and proVent to provide a moisture impervious vent and block system.
• Now scored for 16″ and 24″ O.C.
• Install with rafter vents to maximize attic ventilation performance
• Secures vent in place thus eliminating blow-out during construction
• Blocks moisture from exterior and acts as an insulation stop
• Meets energy code requirements for air infiltration
• Provides a moisture and air infiltration seal between the rafter vent and top of the wall
• Prevents wind driven moisture and cold air infiltration between the rafter vent and the top of the wall
• Reduces energy loss at the attic perimeter
• Effective for use in new and retrofit applications
• Constructed of waterproof and durable polyboard
Want more information on Windblock?
For Homeowners: 866-240-4933
For Contractors: 800-666-8191