Do I Have Adequate Attic Ventilation

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Do i have adequate attic ventilation.

So using that formula let s say you have a big 12 inch by 24 inch gable end vent with 1 8 inch screen and louvers. Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented. Much of the debate stems from the tremendous variation in climate across north america. His home is 48 feet long and has a ridge vent that measures 46 feet.

The ridge vent is cut back 1 inch on either side of the ridgeline which yields a total area of 7 67 square feet of ventilation. How to check attic ventilation. With different climates come different needs to be met. Both roof and soffit vents are easy to install in just a few hours.

Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated. Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. He also says that the rectangular metal soffit vents may not be adequate and recommends installing more to eliminate the risk of the roof sheathing rotting.

I am having the shingles replaced on the roof of my ranch style house. Jones has adequate ventilation along the ridge to ventilate the attic space. Throughout the roofing industry there is a widespread lack of agreement over adequate attic ventilation. Intake vents located at the lowest part of the roof under the eaves allow cool.

Moreover if you have asphalt shingles on the roof attic. Our roofing experts at zimmerman exteriors have installed many roofs in central pa and they. However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. Help purchased home 8 years ago with 2 power attic vents.

Noticed one of the attic vents was not working. Roof and attic ventsl protect your house from expensive future repairs. Things have been ok low energy bills house very comfortable. The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation.

The roofer is concerned about attic ventilation and recommends installing a ridge vent and closing off the existing gable vents.