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Steelway Cellar Doors

Replacing your Flat Door

Description of Flat Doors

A Flat Cellar Door is used on an existing foundation that is already on an angle.
(Typically the existing sloped walls are masonary)		 Flat Cellar Door
Closed Flat Door Opened Flat Door

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Flat Door Measurement
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Inside Width of Foundation Outside Width of Foundation
A1 A2 B1 B2
       

A1, A2 are important to allow the proper hinge clearance between the foundation walls.
B1 & B2 are important to ensure the door is made to the proper width.

Length of Foundation Height of Doorway
C1 D
   
C1 is important to ensure the door is the proper length. (Note: measure on top of the slope not along the ground) D is important to ensure the lintel is bent to the proper angle.