Rounded bottom corners for extra safety. Stamped from single steel sheet. Bright finish reflects light into basement. Hole in flanges for bolting to wall. Deep corrugation stiffens against back fill. All back filling should be done gradually to prevent excessive pressure against area wall. 19-1/2" Wdth. x 10" Dpth.
Rounded bottom corners for extra safety. Stamped from single steel sheet. Bright finish reflects light into basement. Hole in flanges for bolting to wall. Deep corrugation stiffens against back fill. All back filling should be done gradually to prevent excessive pressure against area wall. 19-1/2" Wdth. x 10" Dpth.