Lumber and Siding - Room addition measurment

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OhioSteve
08-20-09, 05:16 PM
Am adding a bedroom to our house. It will only have 3 sides to it, since it will be attached to the house on the last side. If each side is 20 feet long (x 3 sides) and the height is 8 feet each side, what is my total square footage? I'm guessing 480, but not sure if I multiplied correctly. Thanks

Wirepuller38
08-20-09, 05:31 PM
The square footage is the area of the footprint (20x20) which is 400 sq. ft.
The volume for air handling calculations is 400x8, or 3200 cubic ft.
Hope this helps.