Colonial Attic Air Vent

The ventilation ratios go according to attic floor size not roof size.

Colonial attic air vent.

Air vent s intake vent. From the roof s peak. Cut the shingles for roof vents. 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.

See the benefits of attic ventilation a new roof is more than just shingles. Featuring a low profile dome the power attic vent is unobtrusive when installed on the roof slanting away from the front of your home. This in turn can help save money on your heating and cooling costs. For pricing and availability.

Larger than the vent opening. Electric powered attic vents use a thermostat and humidistat control to monitor heat and moisture buildup inside the attic. The edge vent provides proper intake ventilation for homes with little or no overhang. For pricing and availability.

Mark attic roof air vent locations. Air vent 1320 cfm weatherwood galvanized steel electric power roof vent. Center nails between rafters 18 in. Cut shingles with a utility knife.

Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent. In other words the entire vent opening doesn t count as vented space. 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. Air vent 1 500 cfm black galvanized steel electric power roof vent.

It s a roof top installed shingle over intake vent designed based on roofing contractor feedback from our ask the expert seminars. Roof mount power attic vents. For pricing and availability. Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

That said air resistance and interference such as vent grates reduces the area of true ventilation. I would go with the higher number. You can go as low as 1 300 of the attic floor area for attics which have a continuous vapor barrier below to a high of 1 5 in inches x the floor area in feet. More product.

Intake vents located at the lowest part of the roof under. It is designed for attic spaces up to 2200 sq. Make the cutout area 1 2 in. Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent.

Drive nails up through the sheathing and shingles to mark roof air vent locations.