The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Standard double garage door opening size.
The width is around 32 feet which is double the size of the standard double or rv garage door.
The standard garage dimensions for width can be anywhere from 8 feet up to 18 feet.
Commercial sized garage doors are usually 24 feet high with an inch or two added as needed.
But electrical door opener will require more space and typically 14 18 inches distance from the door track to garage ceiling will be sufficient for proper installation and fully functional opener.
Depending on your needs the height can go up to 10 feet.
Double garage door size.
The width of your garage can vary greatly.
The process of deciding on which type of garage door is going to best suit your garage carport or shed is based greatly on your needs.
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.
Width by height 12 by 7 feet 14 by 7 feet 16 by 7 feet 18 by 7 feet 12 by 8 feet 14 by 8 feet 16 by 8 feet 18 by 8 feet these days it is also possible to find garage doors that are 20 feet wide or even wider.
A garage door that is intended for a golf cart or atv might be narrower than the standard sizes.
For an approximately 18 x 24 detached garage or one attached to your house the most often seen width is 16 feet.
Make sure garage itself has sufficient head room for the door opening which often has to be minimum 6 7 inches.
For height we are talking about 7 or 8 feet.
Depending on how many cars you want your garage to hold local building codes and where you live.
You may find that if you have a large vehicle s or a wish for extra storage you need the maximum opening possible.