Roof Ventilation Pyramid

Optimum roof ventilation design.

Roof ventilation pyramid. The building codes and building science for. Floor area is 1200 sq ft. The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.

Provides continuous ridge venting continuous soffit venting and then close off those old gable end vents to force the intake air to come where you want it to flow. Rectangular metal roof vents work best on hip or pyramid roofs that have a short ridge line. The ridge is about 40 feet long and there is currently a ridge vent but no other roof vents no soffit vents and no gable vents. The attic space contains no mechanicals and is not used for storage.

My 1914 house needs to be re roofed this summer but i am at a loss re ventilation. The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture. Connect the exhaust hose to the fan and then push it through the roof until the nozzle is entirely through. Consult a roofing supply store for special installation instructions if you have a metal slate cedar or tile roof.

Then connect the wires to the fan and screw the fan into the ceiling or side wall. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience. Otherwise the exiting air at the ridge will usually pull its makeup air from the closer gable end vents and not from the soffit or eaves vents. Follow photos 9 13 for installation tips.

This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work. Look for galvanized steel vents available at roofing supply stores and some home centers.