Net Roof Area

Roof pitch affects the actual area of the roof.

Net roof area.

Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. This is an old school good ol class act company which used some hi tech scanners and epoxies to seal and repair my roof following wind damage. Fairfax county loudoun county and prince william county. Depending whether the roof area is measured horizontally.

Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area. Here are the counties we service in the northern virginia area. The next step is to select a suitable exhaust vent and intake vent that fits the roof design for best performance and best aesthetics. It affects walkability as well as drainage and roofs in areas of high rain or snowfall tend to have steeper pitches.

1 100 square inches of intake net free area needed. The gross floor. Quick response were out to survey damage right away and repairs promptly followed. 1 100 square inches of exhaust net free area needed.

After that find out the vent s nfa as rated by the manufacturer. The floor area of a building or portion thereof not provided with surrounding exterior walls shall be the usable area under the horizontal projection of the roof or floor above. Net internal area nia or usable floor area ufa the nia is the gia less the floor areas taken up by lobbies enclosed machinery rooms on the roof stairs and escalators mechanical and electrical services lifts columns toilet areas other than in domestic property ducts and risers.