Half Dome Attic Vent

Our half round dormer vents are attractive long lasting and fire resistant.

Half dome attic vent.

Can be pitched to match roofline. 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. Installs to composition shingle shake and flat tile. 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.

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

Galvanized steel half round dormer vent ventilates up to 208 sq. Roof vent with half round design. Copper screen to keep pests out. 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.

Constructed of strong 16 ounce copper or stainless steel. 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. Net free venting area. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.

Available in standard 18 or 24 sizes. Half round louvered dormer vent. Use vertical dormer and gable vents in combination with horizontal vents for proper ventilation. Important for proper cooling of the attic dormer vents are a common entry point for embers.

Half round vent please be sure to specify roof pitch range. Low profile dormers are often called eyebrow vents. Builders edge 22 in x 22 in bright white round vinyl gable vent. 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.

Half round dormers like the one below often are often called round dormers.