Re: Doors with inside detail


Dennis Storzek
 

On Sat, Apr 13, 2019 at 01:48 PM, Brian Carlson wrote:
Steve. The steel ribs, actually steel bar only appeared on the outside of superior doors. The inside would be flat steel plate. 
In reality they are not bars, but ribs pressed into the bottom edge of each sheet that assembles into the door. Each sheet laps over the open pressing on the sheet above and is welded top and bottom, forming a series of closed box sections that give the door its strength. However, it is correct that other than the weld seems, the inside of the door is smooth. Here is a drawing with a sectional view of a typical Superior door: Superior Door

Dennis Storzek

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