A garage will need backroom that equals the door height plus 18 inches and possibly more based on the installation of an automatic garage door opener.
How tall is the average garage door.
If you are replacing a garage door the easiest way to determine the size you need is to simply measure the existing door.
Measure the backroom the distance from the garage door opening to the back wall of the garage.
Use a step ladder to more easily measure the ceiling height.
Recreational vehicles loom taller than the average suv and as such need extra height built into the garage and the garage door.
Buildng own garage for rv saves on storage costs.
A rv garage door widht and height depends on the type of rv you have.
Doors made for two cars can be as little as 14 feet wide 4 3 meters but are more commonly 15 or 16 feet wide 4 6 or 4 9 meters.
You can get a custom height for an additional cost.
The standard size for an rv garage door is 8 to 9 feet tall as opposed to 7 with a width of at least 16 feet.
On average it should be aroudn 12 14 feet in width and 14 feet in height.