A garage door needs rollers if it is going to be mounted on a horizontal or vertical track.
How to make a bifold garage door.
Apply wood glue on all top surfaces of the pieces of both your inner and outer frames.
With the door in the 90 degrees open position start sliding scrap under the outside bottom of the door until your hinges are aligned.
If you are looking for a cure for the boring conventional sectional door you have found it.
Install the hinges close to the ends of the panels allowing the door to bend and close in the direction you want it to.
Bifold garage doors are a neat architectural feature that can make your garage stand out from the crowd.
They are not better or worse than other more conventional types just different with their own advantages and disadvantages.
Design the bi fold panels anyway you like with vertical or horizontal braces and paneling.
Pick up the door and allow it to unfold.
Apply upward pressure tilt the bottom of the door inward and allow the bottom knurled knob to drop into the serrated jaws of the jamb bracket.
Flip the door so that the newly attached plywood side faces down.
Insert the smooth pin and the wheel assembly into the track at the same time.
Attach the plywood sheet to the back of the door.
A short video documenting the creation of x2 10 x10 doors on our new pole barn shop.
You can either line up your hinges from the front or i found it easier to measure about 2 inches from the back of the post and line up to that.