Attic Ventilation Grill Installation

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.

Attic ventilation grill installation.

A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them. A 30 x 40 ft. Make sure the circle isn t bigger than the actual fan or the fan won t mount properly in the plywood. Led by robert carroll who has over 30 years of experience in the industry the attic air team takes great pride in providing knowledgeable professional service to every one of our customers.

This is a cost. In of vent opening per 150 sq. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Intake vents located at the lowest part of the roof under the eaves allow cool.

The building code lets you reduce that by half under some conditions but more roof ventilation is usually better. 1 square foot of intake for every 300 cfm of ventilator. The fans vent out moisture that rises into the attic which helps to protect the roof from damage from water vapor and wood rot. Then aim for about 1 sq.

Whole house fans tend to have higher overall costs than attic ventilation fans. Drip edge vents are a two in one installation that promote water shedding at the eaves and rakes of a roof while also allowing for ventilation into the attic. Cedar wood rectangular louver vent. More product details close.

Don t include the fan s mounting bracket in the circle you draw. Trace the circular body of your attic fan onto the center of the plywood. Attic ventilation is also helpful during cooler times of the year. Pricing for attic fan installation varies depending on fan type and its location.

Provide ventilation for your chosen location with the provide ventilation for your chosen location with the al s millworks 16 in. A rule of thumb. Since 1996 attic air has earned a reputation for providing effective solutions for your insulation and ventilation needs. Check the box your attic fan came in to see if the manufacturer included a pre cut circle that s the same size as the fan s body.

Wide and is made of western red cedar. An attic with 1 500 square feet x 7 1 050 cfm make sure you also have adequate air intake typically through the undereave vents. First determine your attic area by multiplying the length by the width. This product measures 16 in.

1 170 cfm ventilator 300 3 9 square feet of intake ventilation this is the minimum intake required. On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500.