Hip Roof Attic Ventilation

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.

Hip roof attic ventilation.

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. Leave uncut sheathing of a 6 at gable ends. The building codes and building science for natural roof ventilation however only appeared in the 1940s. One method is to use a powered attic vent with a humidistat thermostat located close to the ridge or top of the roof.

And in many of these cases the hip roof forms a large volumetric attic space to ventilate. See the benefits of attic ventilation a new roof is more than just shingles. 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. Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.

A frequent problem with hip roofs is that the ridge is either short or doesn t really exist. It provides 9 sq. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. All the homes with hip roofs had soffit intakes and static roof vents.

Attic ventilation hip roof how to ventilation hip roof. Many of these homes had hip roofs and are considered high end homes built about 8 10 years ago. Intake vents located at the lowest part of the roof under the eaves allow cool. Hip and ridge shingles starter shingles low slope products ice and water barrier synthetic underlayment intake ventilation.

The leaving of this 6 defends the structure against wind propelled rains. One big difference between these roofs and my roof was that these other homes had roof vents on three of the four sides. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Find a homecenter or.

None of them had power attic fans. Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic.