Do I Have Adequate Attic Ventilation

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.

Do i have adequate attic ventilation.

Intake vents located at the lowest part of the roof under the eaves allow cool. 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. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated.

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. 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. Help purchased home 8 years ago with 2 power attic vents.

Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. In a properly. How to check attic ventilation. Our roofing experts at zimmerman exteriors have installed many roofs in central pa and they.

His home is 48 feet long and has a ridge vent that measures 46 feet. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Do you need an attic fan if you have a ridge vent. Roof and attic ventsl protect your house from expensive future repairs.

Noticed one of the attic vents was not working. The roofer is concerned about attic ventilation and recommends installing a ridge vent and closing off the existing gable vents. 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. With different climates come different needs to be met.

The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation. Things have been ok low energy bills house very comfortable. Throughout the roofing industry there is a widespread lack of agreement over 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.

Moreover if you have asphalt shingles on the roof attic.