Net Roof Area

Our roof calculator uses base length and base width to find the estimated area.

Net roof area. 1 100 square inches of intake net free area needed. The gross floor. The base width is the distance from one corner of your roof to the other at its base on the short side of your house. Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area.

It affects walkability as well as drainage and roofs in areas of high rain or snowfall tend to have steeper pitches. After that find out the vent s nfa as rated by the manufacturer. 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. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.

The next step is to select a suitable exhaust vent and intake vent that fits the roof design for best performance and best aesthetics. 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. Fairfax county loudoun county and prince william county. Quick response were out to survey damage right away and repairs promptly followed.

1 100 square inches of exhaust net free area needed. Depending whether the roof area is measured horizontally. I ve never experienced such likeable and thorough contractors before.