Pitched Roof Venting

Pitched roof ventilation is beneficial in all climate zones and in every season.

Pitched roof venting.

Pitched roof ventilation should be accomplished when you have equal amounts of air exhaust on the roof with air intake typically under the eaves. The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less. Advantages of proper roofing ventilation. The enclosed void of a warm pitched roof may not require to be ventilated but this is usually subject to the requirement to install a fully sealed air and vapour control layer avcl in conjunction with an air open roof covering.

Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams. Although there are many different types of roof vents to choose from ensuring you have the right number of both intake and exhaust vents is a central part of roof design. Exhaust vents should be placed on the upper portion of the roof meaning no lower than 2ft from the peak. The building codes and building science for natural roof ventilation however only appeared in the 1940s.

The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent. Theory behind venting ice dams form when a home s escaping heat warms the roof sheathing and melts the underside of the snow layer on the roof. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.