In theory yes they should be transported on their edge but i have transported them on their flat on a standard domestic trailer many times without any problems.
Transporting french doors pick up truck.
We scrounged up some cardboard corners to protect the edges of our drywall check the trash bins in the store or lumberyard.
Then tighten the bottom straps to secure the bundle.
It is about 150 miles away and i will need to bring it home in my ford ranger with a 6 foot bed.
You are just preventing abrasion on the door or scratching the glass.
It is necessary to have blankets to protect doors since they are not boxed.
How to transport things safely in your truck by the diy experts of the family handyman magazine updated.
Put timber across or along the trailer then doors on top truck suspension is very harsh and the truck is likely to have other goods on board.
20 2019 learn the art of hauling lumber and other building materials safely even in a short bed pickup truck.
Use a cargo net for bulky loads.
Shipping a door yourself or using a carrier.
Just helping my co worker loading transporting a french door refrigerator with the company pickup truck.
Nearby customers pick up prehung doors at our studio usually with a standard passenger truck.