Do I Have Adequate Attic Ventilation

The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation.

Do i have adequate attic ventilation.

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. 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. Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. In a properly.

Roof and attic ventsl protect your house from expensive future repairs. 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. 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. Much of the debate stems from the tremendous variation in climate across north america.

Things have been ok low energy bills house very comfortable. How to check attic ventilation. The roofer is concerned about attic ventilation and recommends installing a ridge vent and closing off the existing gable vents. I am having the shingles replaced on the roof of my ranch style house.

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. Intake vents located at the lowest part of the roof under the eaves allow cool. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Throughout the roofing industry there is a widespread lack of agreement over adequate attic ventilation. Help purchased home 8 years ago with 2 power attic vents. Noticed one of the attic vents was not working. 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.

Jones has adequate ventilation along the ridge to ventilate the attic space. His home is 48 feet long and has a ridge vent that measures 46 feet. 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. The gross size of the vent is 288 square inches 12 x 24 and the area.

With different climates come different needs to be met.