Chapter 18 Stair Construction
613
dealers. They are shipped to the building site in
heavy, protective cartons along with directions
for fi tting and assembly.
A completely prefabricated stairway and a
factory assembly are shown in Figure 18-28.
Stringers are made in two sections for easier
shipping. The system is available in lengths up
to 18 steps and widths of 36″ and 48″.
Figure 18-29 shows some suggested assem-
blies of balustrades using stock parts. Hardware
Figure 18-28. Prefabricated stairway system. A—Parts for the system. Stringer sections lock together with a
common tread. B—This installed mock-up shows the assembled section mounted on substringers. (Visador Co.)
A B
Rail
Volute
Newel
Bracket
Newel
Baluster
Turnout
Rail
Rail
Starting
easing
Newel
Baluster
2'-6"
2'-6"
2'-6"
Bracket
Starting step
Starting
step
Figure 18-29. Balustrade assemblies produced from stock parts. (Colonial Stair and Woodwork Co.)