Door in Vermont Inside Hangar Fold Tite Stacker

This door is a Fold Tite Stacker mounted inside the hangar and to the left and right of the opening to provide full operational use of the opening.

[@gwheyduke]

those doors work great, I need to get some information on those.

[@lostgriz]

How can I get details on these?

[@maniksutar433]

Good