How Do You Vent A Hip Roof

They now have solar powered units which provice a cfm rating of 800 cfm.

How do you vent a hip roof. This will ensure protection against weather finest appearance. For the prevention of dead air pouches cover up the complete ridge using ridge vent. Nail the jack rafters to the hip rafters and secure them to the walls. 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.

Depending on the size of the roof most hip roofs will have 4 6 short jack rafters that are spaced out every 20 inches 51 cm between the hip rafters and the king common rafters. Enter square footage calculate or enter the square footage of the attic or area to be vented. 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. Of airspace between the top of the insulation and the back of the roof sheathing.

Unless you re bulk filling rafter. If you choose to vent the roof deck then be serious about it and really vent it. 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 code calls for a minimum of 1 in.

Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. Installation of attic ventilation.