Roof Eave Baffle

Rafter vent with built in baffle helps keep air moving in your attic.

Roof eave baffle.

The eave of a house has come to mean the underneath area of the roof that projects from the exterior siding as opposed to a cornice which is part of the entablature in classical architecture. 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. Inside your home usually in the attic the eave is the angle where the roof meets the outside wall a good place for insulation as long as it doesn t get into the soffit the underside of the overhang. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

The ado products durovent 23 1 2 in. Feature excellent break resistance and lightweight rigidity for ease of installation. In order for this system to work effectively a minimum of a one inch air space has to be maintained from eave to ridge across the top of the attic insulation. For traditional stud wall frame buildings with trusses or rafters every two feet this air channel can be maintained by prefabricated eave baffles which block the insulation from tumbling into the soffits.

Are made of extruded polystyrene foam so they ll stay in place over time and will not rot or deteriorate. Mws 1000sqft radiant barrier solar attic foil reflective nasa insulation 2x500 perf. Position the baffle with its air channels against the roof and one end resting against the soffit vent grill. Create a balanced ventilation system to help provide comfort in all seasons and help prevent roof damage.

Each carton contains 10 vents. Use the staple gun to drive 1 inch staples into the edge of the baffle every 6 to 8 inches along both outside edges. An attic baffle is simply an item to regulate the flow of air aka required roof venting and impede it the insulation from interfering with each other. In winter the natural convection air flow through the attic prevents ice dams from forming on the roof.

Roof covering typically of flat and rectangular shapes and made of various materials such as slate wood flagstone plastic metal and composite materials.