size is an egg and not painful dr john fung dr fung 3 doctors agreed yes umbilical hernia repair is surgery to repair an umbilical hernia an umbilical hernia is a sac formed from the inner lining of your belly that pushes through a hole in the abdominal wall at the belly button
1 Multiply the perimeter by the ceiling height to get the total wall area: 50 ft. x 8 ft. = 400 sq. ft. 2  Doors are usually 21 square feet (there are two in this exercise): 21 sq. ft. x 2 = 42 sq. ft.  Windows average 15 square feet (there are two in this exercise): 15 sq. ft. x 2 = 30 sq. ft.
In any case, eight or nine feet is probably most common, but wider single doors are not that rare. Of course, if you need a double door, you may have to double that width. In other words, standard garage doors might be sixteen to eighteen feet wide, with some doors as wide as twenty feet. If you look at most older homes, you might notice that garages and garage doors are smaller than they are on new houses.