The Bilco Ultra Series Polyethylene Basement Door Extension are for the Bilco Ulltra Series Basement Doors only. The door extensions can be mounted back to back for longer areaway lengths. Bilco's door extensions are fastened to the back angle of the...
The Bilco Ultra Series Polyethylene Basement Door Extension are for the Bilco Ulltra Series Basement Doors only. The door extensions can be mounted back to back for longer areaway lengths. Bilco's door extensions are fastened to the back angle of the...