Standard overhead garage door sizes are 7 feet tall and between 8 and 10 feet wide. Standard sizes for double garage doors are 7 feet tall and between 12 and 16 feet wide.
Most residential garages are 10 feet wide and 7 feet tall. Most warehouse overhead garage doors are double the size of a normal garage door, usually 20 feet wide by 14 feet tall. Garage doors are given a R-value, or thermal efficiency rating, for extreme cold or hot climates. Standard garage door materials are metal, wood and durable plastic. Garage doors are either manual or remote-control operated.