Attic Venting Systems
Ventilation and attic vents.
Attic venting systems. The fan is constructed from 23 gauge galvanized steel for added strength and durability and it utilizes a unique black dome cover which provides uv protection. Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof. Adding attic vents is a simple matter of cutting holes and installing vents. Intake vents located at the lowest part of the roof under the eaves allow cool.
Help remove excess heat and moisture to protect your roof from premature deterioration. 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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. This method relies on convection which is a mode of heat transfer that is caused by the tendency of warmer air to rise.
Broan s 355bk gable mount attic ventilator is a high quality ventilation system that s roof mounted and features a cover. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed. 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.
Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. The most common method is the static method. But before you cut any holes plan the locations of the attic vents. Static roof line vents are effective for ventilation but generally aren t recommended due to issues with leaks.
Ibhs attic and basement vents and wildfire fact sheet 1mb pdf vents on homes create openings for flying embers. Soffit vents may leave air trapped at the top of your attic. Balance is the key. 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.
Photos 1 6 show how it s done. Ember entry through vents can result in ignition of combustible materials in the attic and result in a building burning from the inside out. Figure 1 a balanced system. There are two methods used to ventilate attics.