How To Ventilate A Hip Roof

You can install mushroom vents in the field of the roof or you can use the code formula that allows roofs with adequate soffit venting to omit ridge vents.

How to ventilate a hip roof.

What is the optimal ventilation for a hip roof we have a hip roof in need of replacement and there is discrepancy in the ventilation suggestions. Try covering the full ridge of the hip roof using cobra exhaust vent. The calculations before indicated that we needed 2 square feet of ridge or upper roof ventilation. The leaving of this 6 defends the structure against wind propelled rains.

Leave uncut sheathing of a 6 at gable ends. Two square feet equals 288 square inches. Explore owens corning ventilation products. They now have solar powered units which provice a cfm rating of 800 cfm.

So we would need at least six metal vents in addition to the lower soffit ventilation to meet minimum ventilation requirements. Cut down the sheathing just for protection and constructional integrity pre set the proper blade depth. A normal metal pot vent produces only 50 squares inches of free net area. Summary overview for contractors planning to install the cobra hip vent.

One contractor is recommending 2 attic fans and a ridge vent one is recommending 1 attic fan and a ridge vent and one is recommending 1 attic fan and 2 box vents. The gaf cobra hip vent provides a great looking easy to install solution for effective exhaust ventilation on homes with.