For this example let s use the lomanco 750 slant back vent 50 square inches nfa for the exhaust vents the deck air da 4 36 square inches nfa for the intake vents.
Lomanco 750 roof vent nfa.
Bottom integrated hinged flange adjusts from 2 12 to 8 12 roof pitches.
Ventsure 4 foot strip heat moisture ridge vent.
The lomanco vent selector app for android devices.
Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier.
Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.
The regular omni style is traditionally installed using a hammer while the lo omni style with its low profile can be installed using a nail gun.
Excellent airflow design with superior weather protection and no filter to clog.
Active ventilation 13 in.
The bottom integrated hinge allows the vent to be installed on 2 12 through 8 12 roof pitches.
Since the vent is installed on each side of the ridge pole the net free area nfa is 9 square inches per side per linear foot.
Free delivery with 45 order.
Functional and concealed ventilation installed under the cap tile.
This exclusive lomanco design also prevents the problem of bird and animal infiltration while providing maximum attic exhaust air flow and weather protection.
Lomanco tileridge model trv 4.
The lomanco 550 pro 550 pro g pan style roof vent.
The roll versions comes in easy to handle 20 and 30 foot lengths while the stick version comes in 4 foot lengths.
Available in black white brown gray and weathered bronze.
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Nfa roof vent in white powder coat model rbv 8 wt 15 00 15 00.
Roof vents lomanco 700 series roof louversare built with three outward and upward discharging side vents to prevent unsightly roof streaking that is so common with ordinary roof louvers.
This equals 18 square inches of nfa per linear foot of installed vent.
Lomanco 750 copper roof vent three sides louvered for greater air flow.
Rounding up you would need ten 10 750 vents.
The lomanco p60 pro plastic roof vent.
Other common features include a bird proof design a weather tight seamed collar and a high profile and rolled flange on the vent stack for superior weather protection and circulation.
Available in both aluminum and galvanized steel.
To calculate the number of 750 vents needed divide 480 by 50 to get 9 6 vents.
Lomanco omni series ridge vents are available in two versions and two styles.
The 750 slant back roof vent is also available in copper.
Dia low profile 50 sq.
