Roof Foam Vents

When set into place and sealed with spray foam the vent baffles are insulated and air sealed.

Roof foam vents.

Build the rafters and secure the 5 8 inch cdx sheathing material. Temporarily secure long plastic forms between the rafters on the inside of the ceiling. How to vent a foam insulated roof step 1. The cv1 ridge vent is a patented single piece screened foam closure that allows hot air to circulate from the inside of your building out through the ridge cap keeping your metal building ventilated and free of damaging condensation.

Leave a gap on both sides. These forms are only 1. Allows flat straight non bulging ridge cap installation. One of the most common reasons to put spray foam on the roofline is to avoid having to air seal the attic floor because the attic is connected with the air in the house and indoor air is more humid than outdoor air which can cause moisture problems.

Spray the foam. Eliminates snow and rain penetration. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed. The plyco quick vent advantage.

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. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. Keeps pests and insects from penetrating.