Half Dome Attic Vent

In addition to moisture problems inadequate ventilation can lead to extreme temperatures which will also cup and damage shingles warp boards and damage any items stored in the attic space.

Half dome attic vent.

Roof vent with half round design. If there is no vapor barrier double it to one square foot of nfa for every 150 square feet of attic floor space half for intake half for exhaust. Air vent 1 500 cfm black galvanized steel electric power roof vent. Important for proper cooling of the attic dormer vents are a common entry point for embers.

Available in standard 18 or 24 sizes. 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. Shallower roof pitches lead to longer dormer vents. This field reflects the cost of the extra material required click to view shop drawing click to view sub structure drawing sub structure present with roof pitches of 10 12 and below select color for aluminum only.

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. Half round vent please be sure to specify roof pitch range. If your attic floor has a vapor barrier you will need one square foot of nfa per every 300 square feet of attic floor area half of that will be intake half for exhaust. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.

Adequate under eave soffit vents or continuous soffit vents are very important in supplying cool fresh air into the attic as the gable end or ridge vents. Constructed of strong 16 ounce copper or stainless steel. For pricing and availability. Can be pitched to match roofline.

Galvanized steel half round dormer vent ventilates up to 208 sq. Installs to composition shingle shake and flat tile. Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent. See the benefits of attic ventilation a new roof is more than just shingles.

Our half round dormer vents are attractive long lasting and fire resistant. Copper screen to keep pests out. Net free venting area. Use vertical dormer and gable vents in combination with horizontal vents for proper ventilation.

Low profile dormers are often called eyebrow vents.