We are the only manufacturer of the Stand Alone Hydraulic Door. Our hangar door requires nothing more than a common framed opening - saving you hundreds if not thousands of dollars. Plus, we have made hangar door construction more affordable than ever. This self-supported hydraulic door doesn't rely on the building for structural support. It's a fact that Higher Power Door customers can build an aircraft hangar for less. Call one of our consultants today for a quote on the simplest and most design efficient hangar door system available.