Attic Ridge Ventilation

The downside of attic ventilation fans.

Attic ridge ventilation.

Intake vents located at the lowest part of the roof under the eaves allow cool. Best ventilation is open soffit venting to a open vented ridge vent. 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. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.

See the benefits of attic ventilation. Warm air that escapes rooms below gets trapped in the attic. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere.

Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. One last thought attic ventilation is not there to get rid of heat it is there to get rid of excess moisture accumulating from the home. To lower attic temperatures and to remove excess moisture. Insulation at least r 38 or more is there for heating and cooling.

Snow melts and the water refreezes on the cold eaves creating ice dams. Attic ventilation serves two main functions. A new roof is more than just shingles. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

This happens because of the change in air pressure. However the utility of attic ventilation fans is actually quite a. To install the rafter vents staple them directly to the roof decking. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.

Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier. Ventsure rigid roll ridge vent. Warm air that escapes living space also carries moisture that will condense on rafters or roof sheathing. Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent.

30 lineal feet required. Help remove excess heat and moisture to protect your roof from premature deterioration. Lowering the temperature in the attic can help reduce air conditioning energy costs and roof deck temperature optimize the service life of a roof covering and minimize ice damming. It can do both.

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. Ventilation and attic vents. Ridge vent must me installed per the manufactures instructions.