Products > RESIDENTIAL > BILCO Basement Doors > Basement Door Accessories > Classic Series Basement Door Extension Panels

Extensions are available to increase the door length of Classic Series Size C basement doors. Classic series basement door extension panels are available in 6”, 12”, 18”, 24” and 30” lengths. Two or more can be mounted back to back to increase the door length to virtually any size. Steel extension panels are supplied with a primer finish. A factory applied powder coat paint finish option is also available.


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