If your application requires large bi-fold doors, single-panel doors or bottom rolling doors – whether it’s aircraft hangar doors or some other kind of commercial or industrial application – you’ve landed in the right place. Mountain Overhead Door has proven products that are custom-crafted to complement the look of your building. In addition, we have aluminum bi-fold doors, aluminum single-panel hydraulic doors, steel bottom rolling and steel bi-fold doors that provide the lowest lifetime ownership cost on the market. That’s because, quite simply, you can count on them not only to work day in and day out, but also to last for years – with minimal maintenance.