We installed a Permentry precast concrete stair, with a Bilco door, and a 3/0 x 6/8 insulated six panel door at the base of the stair. This will also give you and idea of the size of the crane that we use to install the Permentry stair.
We installed a Permentry precast concrete stair, with a Bilco door, and a 3/0 x 6/8 insulated six panel door at the base of the stair. This will also give you and idea of the size of the crane that we use to install the Permentry stair.