Proper Roof Venting

A hot ceiling tells you that the attic is acting like a solar oven.

Proper roof venting.

Touch your ceiling on a warm sunny day. See the benefits of attic ventilation a new roof is more than just shingles. Here are four signs of an unventilated or under ventilated attic. As the ventilation helps moderate the temperatures in the attic this may also help moderate the temperature in the.

Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. To calculate the amount of ventilation you need for your home visit gaf s ventilation calculator now. Look at your eaves and roof. You ll first need to consider whether or not your house s roof needs ventilation.

Obviously more research is needed but here s what we do know. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Don t avoid ventilating your attic for fear you re letting cold air into the house.

Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. If it does you ll have to decide what type of vents will work best and how to properly install them. In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot. Proper attic ventilation offers numerous advantages to the homeowner.

Proper attic ventilation can help reduce the load on your air conditioner. Your actual living space is sealed. It is important that air movement occurs and is not impeded by any framing members of the home. Beyond the decreased capacity for insulation when venting the roof deck venting the roof deck or the attic has some other drawbacks worth considering.

It helps prevent moisture buildup in your attic which during colder months can help prevent condensation. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent. The intent of roof venting varies depending on climate but it is the same if you re venting the entire attic or if you re venting only the roof deck.

The option you choose will be contingent on factors such as the type of roof you re working with and the local climate.