Commercial doors are available as a standard up to 24 in width.
Pole barn door height.
If you need to store an rv motorhome or camper most models require a minimum of 12 clearance to get inside a door.
Narrower doors can be made special but are more expensive than the 8 width.
If you want to store tractor and trailer go with a 40 x 80 x 16 pole barn.
10 12 14 etc.
When considering the maximum door height that will be feasible for your building the 2 foot rule is a safe one to follow as well.
The average pickup truck or suv can fit inside an 8 door.
Residential doors are available in most heights to 18 wide.
If you re building a pole barn garage the average garage door height is 7 to 8 tall.
In some cases usually 7 or 8 heights 20 width residential doors are available.
Pole buildings are typically built in 2 foot increments for the wall height i e.