How many suare feet to cover a room 12x12 with 9 foot ceilings?

12' by 12' with 9-ft ceilings:

-- Floor = 144 square feet

-- Ceiling = 144 square feet

-- Each wall = 108 square feet

Total interior surface area of the room = (2 x 144) + (4 x 108) =

720 square feet.

(Less Windows, recessed light fixtures, doors, electrical

outlets, etc.)