Vented Roof Underlayment

Roofing materials vent underlayment and other components owens corning roofing.

Vented roof underlayment. Most synthetic underlayments are approved for roofs as low sloped as 3 12 provided that the material is overlapped by about 50. For optimum performance use cedar breather with rapid ridge 7 ridge vent. From synthetic underlayment to hip ridge shingles owens corning roofing components help provide durability and protection to the roof of your home. 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.

The key goal is keeping the underlayment watertight. In fact installing this vented underlayment is straighforward enough for first time installers. To protect against wind driven rain lap the underlayment under the rake edge. 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.

Asphalt shingle hip ridge shingle ridge vent and a self adhesive underlayment. 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 fact that a self adhesive underlayment system is recommended says it all and magnifies the need for a proper roof ventilation system.