How To Vent A Hip Roof Attic

Many of these homes had hip roofs and are considered high end homes built about 8 10 years ago.

How to vent a hip roof attic. 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. Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic. One of the reasons for installing attic venting is to remove moisture vapor that can condense on roof framing potentially causing rot in cold climates. Vents come in various styles.

For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. 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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.

Grab a flashlight and inspect your attic during the winter. And in many of these cases the hip roof forms a large volumetric attic space to ventilate. 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. None of them had power attic fans.

If you see dampness or frost you need better roof ventilation and some attic vents. One big difference between these roofs and my roof was that these other homes had roof vents on three of the four sides. The leaving of this 6 defends the structure against wind propelled rains. On a hip roof that lacks enough of a ridge for adequate venting i install roof vents mushroom vents cut high on the roof slopes that aren t likely to be viewed.

A frequent problem with hip roofs is that the ridge is either short or doesn t really exist. Air flows in through the soffit vents and out through the roof vents. One method is to use a powered attic vent with a humidistat thermostat located close to the ridge or top of the roof. It provides 9 sq.

Enter square footage calculate or enter the square footage of the attic or area to be vented. All the homes with hip roofs had soffit intakes and static roof vents. Attic ventilation hip roof how to ventilation hip roof.