For optimum performance use cedar breather with rapid ridge 7 ridge vent.
Vented roof underlayment.
When it comes time to install the ridge vents if used for vented roofs cut back the underlayment.
Most synthetic underlayments are approved for roofs as low sloped as 3 12 provided that the material is overlapped by about 50.
From synthetic underlayment to hip ridge shingles owens corning roofing components help provide durability and protection to the roof of your home.
Roofing materials vent underlayment and other components owens corning roofing.
On this roof installation as on much of his project the owner did much of the work himself in order to learn about the new high performance products.
To protect against wind driven rain lap the underlayment under the rake edge.
Cedar breather ventilated underlayment cedar breather protects the beauty and life of wood roofing by providing a space for continuous airflow between the solid roof deck and shingles or shakes.
The key goal is keeping the underlayment watertight.
In a cold climate the primary purpose of ventilation is to maintain a cold roof temperature to avoid ice dams created by melting snow and to vent any moisture that moves from the conditioned.
In fact installing this vented underlayment is straighforward enough for first time installers.
The intent of roof venting varies depending on climate but it is the same if you re venting the entire attic or if you re venting only the roof deck.