Half Dome Attic Vent

Important for proper cooling of the attic dormer vents are a common entry point for embers.

Half dome attic vent.

Use vertical dormer and gable vents in combination with horizontal vents for proper ventilation. For pricing and availability. Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent. Air vent 1 500 cfm black galvanized steel electric power roof vent.

Low profile dormers are often called eyebrow vents. Half round louvered dormer vent. Constructed of strong 16 ounce copper or stainless steel. Our half round dormer vents are attractive long lasting and fire resistant.

Copper screen to keep pests out. Half round dormers like the one below often are often called round dormers. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Roof vent with half round design.

Half round vent please be sure to specify roof pitch range. Installs to composition shingle shake and flat tile. 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. Net free venting area.

See the benefits of attic ventilation a new roof is more than just shingles. Shallower roof pitches lead to longer dormer vents. Can be pitched to match roofline. 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.

Builders edge 22 in x 22 in bright white round vinyl gable vent. 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. 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. Galvanized steel half round dormer vent ventilates up to 208 sq.

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.