Attic Ventilation Ridge Vents

Roof ridge vents do work well when there are soffit vents or box vents that help to draw air into the attic.

Attic ventilation ridge vents. Master flow 10 ft. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. 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.

Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier. Warm air that escapes rooms below gets trapped in the attic. Warm air that escapes living space also carries moisture that will condense on rafters or roof sheathing. That means you have a lower risk of mold or mildew development.

Thick ridges of ice on your eaves in winter are a sign of poor attic ventilation. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Ventilation and attic vents. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.

You will also discover that this product can work by itself to release moisture from the house which is especially useful during the winter months. Help remove excess heat and moisture to protect your roof from premature deterioration. Roof ridge exhaust vent in black case 31 model 2018000 93 31 case. Aluminum ridge vent in black.

That said air resistance and interference such as vent grates reduces the area of true ventilation. Ventsure 4 foot strip heat moisture ridge vent. Shop this collection 12 model ar10bl. Vents that run along the roof ridge are an alternative to those that exit through the roof decking or gables and if the ridge is long enough they may be the only roof vents you need.

Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent. A new roof is more than just shingles. 27 lineal feet required. Snow melts and the water refreezes on the cold eaves creating ice dams.

Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. In other words the entire vent opening doesn t count as vented space.