How To Ventilate A Hip Roof

Try covering the full ridge of the hip roof using cobra exhaust vent.

How to ventilate a hip roof.

The leaving of this 6 defends the structure against wind propelled rains. The calculations before indicated that we needed 2 square feet of ridge or upper roof ventilation. Summary overview for contractors planning to install the cobra hip vent. Leave uncut sheathing of a 6 at gable ends.

Explore owens corning ventilation products. They now have solar powered units which provice a cfm rating of 800 cfm. A normal metal pot vent produces only 50 squares inches of free net area. 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.

Another way to achieve the proper amount of air flowage instead of using the 10 feet of ridge vent would be to use only a powered attic ventilator fan on the roof top but definitely not using any additional roof top exhaust vents. There are two ways to vent an attic under 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. 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.

Cut down the sheathing just for protection and constructional integrity pre set the proper blade depth. So we would need at least six metal vents in addition to the lower soffit ventilation to meet minimum ventilation requirements.