Classic Series Basement Door Extension PanelsExtensions 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. |
Ultra Series Basement Door Extension PanelsExtensions are available to increase the door length for Size C Ultra Series basement doors. ULtra Series basement door extension panels are available in 6” and 12” lengths. Two or more extensions can be combined to increase the door length. |