Do I Have Adequate Attic Ventilation

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

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. With different climates come different needs to be met. In a properly. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. How to check attic ventilation. 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. Jones has adequate ventilation along the ridge to ventilate the attic space.

Help purchased home 8 years ago with 2 power attic vents. I am having the shingles replaced on the roof of my ranch style house. 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. Roof and attic ventsl protect your house from expensive future repairs.

The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation. Do you need an attic fan if you have a ridge vent. Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. His home is 48 feet long and has a ridge vent that measures 46 feet.

Things have been ok low energy bills house very comfortable. Our roofing experts at zimmerman exteriors have installed many roofs in central pa and they. The gross size of the vent is 288 square inches 12 x 24 and the area. 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.

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. 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. 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.

Noticed one of the attic vents was not working.