The height of a standard commercial garage door is 24 feet by 1 inch and 32 feet by 2 inches width.
Two car garage door width.
8 garage interior width.
16 garage doorway width the single door.
Many 16 x 7 garage doors will be designed with a pair of single 8 foot garage door bays separated by a central post or column.
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When choosing a commercial garage door for your organization however you should first consider the number of vehicles owned by the organization as well as the size of those vehicles.
However if you want to leave 2 feet of space to accommodate door opening and navigational space on the sides your garage should be at least 24 feet wide if you select the two door option.
Alternately you can install two separate doors each nine feet in width each leading into a separate parking space in your two car garage.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Many homeowners have two cars and need garage space to shelter them both.
Like one car garage doors the height is usually around 7 or 8 feet.
Two car garage doors are much longer than one car garage doors and can comfortably fit two cars trucks or suvs through them without any problems.
If you want to keep your vehicle looking nice and want extra space for other things a bit wider and deeper will go a long way.
In short the minimum dimensions for a 2 car garage should be 20 x20 and to make extra space to get in and out of the car it is recommended to go with 24 x24 or larger.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.