Stamped from single steel sheet with rolled edges for added safety. Bright finish reflects light into basement. Holes in flanges for bolting to wall. Deep corrugation stiffens against back fill. All back fill should be done gradually to prevent excessive pressure against area wall. 37 in W x 16 in D.
- Rolled top on all standard area walls
- Stamped from single steel sheet
- Bright finish reflects light into basement
- Holes in flanges for bolting to wall
- Deep corrugation stiffens against back fill
- Minimum G60 galvanized coating
- All back filling should be done gradually to prevent excessive pressure against area wall