Lomanco 750 Roof Vent Nfa

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.

Lomanco 750 roof vent nfa.

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. Available in both aluminum and galvanized steel. 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. The 750 slant back roof vent is also available in copper.

Ventsure 4 foot strip heat moisture ridge vent. Excellent airflow design with superior weather protection and no filter to clog. To calculate the number of 750 vents needed divide 480 by 50 to get 9 6 vents. Available in black white brown gray and weathered bronze.

Lomanco 750 copper roof vent three sides louvered for greater air flow. Lomanco tileridge model trv 4. The roll versions comes in easy to handle 20 and 30 foot lengths while the stick version comes in 4 foot lengths. This equals 18 square inches of nfa per linear foot of installed vent.

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. Set your store to see local availability add to cart. The only app you need to pick a proper ventilation system. The lomanco 550 pro 550 pro g pan style roof vent.

The bottom integrated hinge allows the vent to be installed on 2 12 through 8 12 roof pitches. 27 lineal feet required. Rounding up you would need ten 10 750 vents. Free delivery with 45 order.

Nfa roof vent in white powder coat model rbv 8 wt 15 00 15 00. 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. Active ventilation 13 in.

Functional and concealed ventilation installed under the cap tile. Bottom integrated hinged flange adjusts from 2 12 to 8 12 roof pitches. 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. Dia low profile 50 sq.

This exclusive lomanco design also prevents the problem of bird and animal infiltration while providing maximum attic exhaust air flow and weather protection. Lomanco omni series ridge vents are available in two versions and two styles.