Do I Have Adequate Attic Ventilation

Moreover if you have asphalt shingles on the roof attic.

Do i have adequate attic 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. In a properly. We see many older homes with no attic ventilation and some that have recently had ridge vents installed. Noticed one of the attic vents was not working.

Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter. I don t think i have a ridge vent. I bought a few cans to cover all the holes on the top plates. The ventilation that controls moisture from condensation and regulates the temperature in your attic relies on air circulation.

Jones has adequate ventilation along the ridge to ventilate the attic space. The roofer is concerned about attic ventilation and recommends installing a ridge vent and closing off the existing gable vents. 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. 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.

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. Ridge vents alone won t do the job. I have the side vents one on each side of the house gabel i m assuming. Do you need an attic fan if you have a ridge vent.

To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated. 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. So from what i m told it looks like i have adequate ventilation already. Intake vents located at the lowest part of the roof under the eaves.

The gross size of the vent is 288 square inches 12 x 24 and the area. Yeah i m going to leave the attic fan powered off from now on. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Help purchased home 8 years ago with 2 power attic vents.

How to check attic ventilation. Things have been ok low energy bills house very comfortable. Roof and attic ventsl protect your house from expensive future repairs.