Bilco 12 in. x 56.75 in. Steel Extension Gray Steel Powder Coat

Extensions can be used to increase the areaway door length. For use with Size C Classic Series doors. Multiple extensions can be mounted back to back for longer areaway lengths.Compliant with IRC building code requirements for emergency egressEasy to install1-year limited warranty on factory finish5-year limited warrantyFor use with size C doors only5 available sizesExtends the length of the door from home3 pieces in packageIncludes installation instructionsHardware included