Installation Guide
11 www.mylenstairs.com
4. For stairs that are 60” in diameter, plumb the main baluster and attach to
the face of the platform using the top baluster bracket, carriage bolts (H)
and SQ Drive D&T screws (I), nut (F), washer (D), and lock washer (E). For
stairs that are 42” in diameter, plumb the main baluster and attach to the
face of the platform using carriage bolt (G), nut (F), washer (D) and lock
washer (E). A ¼” diameter hole must be drilled in the platform at the
location of the pre-drilled hole in the baluster.
5. Check that the tread is level and the baluster is plumb. Tighten the 5/16”
set screws in the tread hub to lock the top tread to the center column.
6. Spin the next tread into position beneath the tread above. Place a main
baluster through the upper tread and into the lower tread. Move up or
down until the bottom of the baluster is flush with the bottom edge of the
lower tread.
7. Secure the baluster to the lower tread using carriage bolt (G), nut (F),
washer (D) and lock washer (E).
8. Adjust the height of the lower tread to be one riser height below the tread
above. Fasten the baluster with carriage bolt (G), nut (F), washer (D) and
lock washer (E).
9. Check that the tread is level and the baluster is plumb. Tighten the 5/16”
set screws in the tread hub to lock the tread to the center column.
10. Repeat steps 6-9 with the remaining treads.