Roof Ventilation Channels

The 23 1 2 in x 46 in ventilation system features polystyrene construction which is lightweight and moisture resistant.

Roof ventilation channels.

When the wind is blowing these ventilation channels allow air to move from the soffit vents to the ridge vents. Provent may be installed prior to the soffit panel without fear of blow out. The integrated baffle means that no blocking material is needed between the vent and the top plate. This prevents the warm air from building up and allows the snow and ice to melt evenly on the roof.

In a well ventilated attic cool air enters through the intake vents and carries warm moist air to the exhaust vents above. Durovent with baffle attic vent channelthe durovent attic ventilation system with built in baffle helps keep attic air moving. Wide air channel for ventilation air. The provent rafter vent channel provides an unobstructed air channel through your insulation.

All the ventilation openings need to be protected to prevent rain or snow infiltration. The provent attic ventilation channel provides an unobstructed air channel through your insulation. Deep so we just need panels that span between the webs. Improper attic ventilation prevents the free flow of air from the soffit to the exhaust vents which reduces insulation efficiencies and accelerates moisture problems.

The flanges are about 1 1 4 in. Since the roof is framed with trusjoist i joists the baffles are easy to fabricate and install. The luan plywood stapled to the underside of the tji top flange leaves a clear 1 1 4 in.