Barn doors that swing out need to be mounted on very large and strong hinges and sliding barn doors need to be properly balanced and hung on high quality hardware in order to work properly.
Making a door double hinged.
Building the double door is a straight forward job especially if you use the right plans and carpentry techniques.
A sheet of 3 4 inch exterior grade plywood cut to size and fitted with t strap.
While your friend continues to the hold the door in place use a screwdriver to drive 1 5 inches 3 8 cm lag screws through the holes in the top hinge and into the door.
How to make a hinged door from plywood.
Plywood makes a durable door for a shed storage building or utility locker.
Use a square to make sure the corners are right angles.
Make sure that the screws are tight and the door feels secured to the shed s door frame.
Cut the piece of plywood in half and attach to it the 1 4 trims.
Screw the hinges into the door.
Thicker wood will make the door better at keeping heat in but will also make it heavier.
The outsides of this door will be 1 1 2 thick which is standard for an exterior door.
After making mortises on the door for all three hinges grab the 1x4 or 1x6 that will be the side of the frame that the hinges are attached to.
If you plan to make this for the interior it will be too thick to fit the existing jamb and you will have to modify your plan for accents.
Then repeat the process with the bottom hinge.