Flat roof vent for foam roofs 18x18 inch id 30x30 base 7 in.
18 x18 flat roof vents.
Flat roof vent 18x18 inch id 30x30 base 3 5 inch rise 8 inch overall height 26 gauge galvanized steel 247 sq in.
Net free area screened.
Sheet metal manufacturers of roof vents roof exhaust fans and solar attic fans.
Net free vent area.
Overall height top not removeable.
Box roof vent 18 x 18 inch id 27 x 27 top 30 x 30 base 12 inch clear rise under top removeable top.
Net free area screened.
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26 gauge galvanized steel.
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Roof curbs roof curb fits 18 vent or fan with cmf rc 18.
26 gauge galvanized steel.
Active ventilation products inc.
Roof vents 551 products filter by categories residential roofing 230 siding gutters 321 brand search able sheet metal 1 air vent 17 american building components 2 apex urethane millwork 3.
Get free shipping on qualified static roof vents or buy online pick up in store today in the building materials department.
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.
Made in the usa.
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Best 18x18 roof vents selection available.
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.