Roof vent 18 x 18 inch flat top box vent 3 5 rise 26 gauge flat roof vent 18x18 inch id 30x30 base 3 5 inch rise 8 inch overall height 26 gauge galvanized steel 247 sq in.
18 x18 flat roof vents.
Made in the usa.
Get flat roof ventilation right with high quality flat roof vents and extraction vents from brands like klober and ubbink delivered to your site when you need them our flat roof vents also known as mushroom vents mushroom vent cowls or mushroom vents for flat roofs cater to all budgets and styles.
Active ventilation products inc.
Sheet metal manufacturers of roof vents roof exhaust fans and solar attic fans.
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Easy online ordering orroof vent cover provides increased airflow with a larger vent area than standard vent covers and side louvers that create cross ventilation.
Net free vent area.
Flat roof vent 18x18 inch id 30x30 base 3 5 inch rise 8 inch overall height 26 gauge galvanized steel 247 sq in.
Flat roof vent for foam roofs 18x18 inch id 30x30 base 7 in.
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26 gauge galvanized steel.
Roof curbs roof curb fits 18 vent or fan with cmf rc 18.
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Box roof vent 18 x 18 inch id 27 x 27 top 30 x 30 base 12 inch clear rise under top removeable top.
Get free shipping on qualified static roof vents or buy online pick up in store today in the building materials department.
26 gauge galvanized steel.
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Overall height top not removeable.
Net free area screened.