Proper Roof Venting

A ridge vent is a ventilation strip that is placed along the ridgeline of the home.

Proper roof venting.

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. Here are four signs of an unventilated or under ventilated attic. In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot. Look at your eaves and roof.

Obviously more research is needed but here s what we do know. It is important that air movement occurs and is not impeded by any framing members of the home. To calculate the amount of ventilation you need for your home visit gaf s ventilation calculator now. Proper attic ventilation can help reduce the load on your air conditioner.

As the ventilation helps moderate the temperatures in the attic this may also help moderate the temperature in the. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Your actual living space is sealed. Touch your ceiling on a warm sunny day.

Beyond the decreased capacity for insulation when venting the roof deck venting the roof deck or the attic has some other drawbacks worth considering. You ll first need to consider whether or not your house s roof needs ventilation. See the benefits of attic ventilation a new roof is more than just shingles. If you don t see any attic vents on the roof or in the eaves you need to add some.

The option you choose will be contingent on factors such as the type of roof you re working with and the local climate. Proper attic ventilation offers numerous advantages to the homeowner. If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the. It helps prevent moisture buildup in your attic which during colder months can help prevent condensation.

A hot ceiling tells you that the attic is acting like a solar oven. Hot air exhaust vents located at the peak of the roof allow hot air to escape. 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. Don t avoid ventilating your attic for fear you re letting cold air into the house.

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.