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.
Making a door double hinged.
Make sure that the screws are tight and the door feels secured to the shed s door frame.
Use a square to make sure the corners are right angles.
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.
A sheet of 3 4 inch exterior grade plywood cut to size and fitted with t strap.
In order to build the doors we recommend you to use the piece of siding cut out to make the opening.
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.
How to make a hinged door from plywood.
Be sure that the door you make is the proper thickness for your door jamb.
Mark the placement of all hinges making sure to factor in the 1 8 gap that will be between the door and top of the door frame.
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.
Building the double door is a straight forward job especially if you use the right plans and carpentry techniques.
Screw the hinges into the 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.