Do I Have Adequate Attic Ventilation

Noticed one of the attic vents was not working.

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. Help purchased home 8 years ago with 2 power attic vents. In a properly. Yeah i m going to leave the attic fan powered off from now on.

Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated. 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. Both roof and soffit vents are easy to install in just a few hours.

The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation. 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. So from what i m told it looks like i have adequate ventilation already.

His home is 48 feet long and has a ridge vent that measures 46 feet. The gross size of the vent is 288 square inches 12 x 24 and the area. The roofer is concerned about attic ventilation and recommends installing a ridge vent and closing off the existing gable vents. I have the side vents one on each side of the house gabel i m assuming.

So now that you know why you need roof ventilation let s talk about why ridge vents alone are not sufficient for properly ventilating your roof. Ridge vents alone won t do the job. Jones has adequate ventilation along the ridge to ventilate the attic space. We see many older homes with no attic ventilation and some that have recently had ridge vents installed.

Things have been ok low energy bills house very comfortable. I bought a few cans to cover all the holes on the top plates. 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. 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. Intake vents located at the lowest part of the roof under the eaves. I am having the shingles replaced on the roof of my ranch style house.