For BILCO Size SL Basement Door Areaway Dimensions
Stringer Length 34-5/8" Number of Treads = 4
Easy to install and less labor intensive than wooden stair stringers
14-gauge galvanized steel construction provides the same lasting service as your BILCO Door
Removeable treads allow bulky items, such as a new furnace or freezer, pool table, or big screen TV, to be easily moved into the basement.