Half Dome Attic Vent

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 dome attic vent.

Important for proper cooling of the attic dormer vents are a common entry point for embers. Use vertical dormer and gable vents in combination with horizontal vents for proper ventilation. Galvanized steel half round dormer vent ventilates up to 208 sq. 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. Half round vent please be sure to specify roof pitch range. Constructed of strong 16 ounce copper or stainless steel. Low profile dormers are often called eyebrow vents.

Builders edge 22 in x 22 in bright white round vinyl gable vent. Available in standard 18 or 24 sizes. 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. 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. Roof vent with half round design. 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.

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. Air vent high efficiencypower attic fan 1470 cfm weatherwood galvanized steel electric power roof vent. Half round louvered dormer vent. Air vent 1 500 cfm black galvanized steel electric power roof vent.

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. For pricing and availability. Net free venting area. Our half round dormer vents are attractive long lasting and fire resistant.

Copper screen to keep pests out.