How To Install Attic Ventilation System

Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent.

How to install attic ventilation system.

Learn how to plan a continuous ridge and soffit ventilation system for your attic and how to install soffit vents and other attic venting systems. Drive nails up through the sheathing and shingles to mark roof air vent locations. To professionally install a whole house fan the average cost is 600 1 080. How to install a static vent.

For instance attic ventilation is used widely in cold climates to evacuate the warm moist air that escapes from the living space below. Static vents often protrude from roofline thanks to. Moisture in the attic can cause mold to grow and the wood can rot so air circulation is very important. 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.

The nail will either drive directly through the roof or pop a shingle that s easy to spot on the topside of the roof. It s essential for reducing moisture and preventing excessive heat. However instead of moving air from the attic to the outdoors the fan moves your home s air into the attic space. One reason for the lack of agreement over attic ventilation is the tremendous variation in climate across north america.

The same goes for attic ventilation. This creates positive pressure which sends fresh air into the rest of your home through vents. However in pursuit of attic ventilation some people choose to install attic power ventilators. How to install roof vents photo 1.

First from inside the attic your roofer will drive a nail through the roof structure to mark spots for the vents. Mark attic roof air vent locations center nails between rafters 18 in. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. Continuous ventilation systems with ridge and soffit vents keep attics dry.

In theory these are excellent tools for circulating air in the attic and keeping the attic temperature low. This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan. The roofer will mark these spots between the rafters evenly along the roof. To save time use an existing roof or gable vent to install your new attic fan.