Installation Guide
18    www.mylenstairs.com 
Line Rail Baluster Installation 
1.  Slide a baluster (15) through the platform and tread below. Fasten 
baluster line rail mounts (22) to the baluster with hardware (X). The line rail 
mounts will prevent the baluster from falling through the hole in the tread. 
Plumb the baluster by rotating the tread below before moving to the next 
baluster.  
NOTE: Make sure the baluster line rail mounts on the correct side of the baluster 
for your specific installation.  The angled profile on top of the baluster should 
angle upward toward the top of the stair. There are small marks on each side of 
the baluster to position the line rail mounts. Secure the baluster while installing 
the hardware(X).   
2.  Repeat Step 1 until you reach the final baluster that goes from the bottom 
tread to the floor. This baluster must be cut to size. 
a.  Metal treads - cut 5/8” off the bottom of this final baluster.   
b.  Laminate treads cut 1-7/8” off the bottom of this final baluster.  
3.  Slide the final baluster through the bottom tread. Use the level to plumb 
the baluster while it is resting on the floor. Mark the floor in the location of 
the final baluster and remove the final baluster. 
4.  Lift the second to last baluster to allow the final tread to swing out of the 
way. Position the baluster cup (16) on the location marked in Step 3 and 
fasten it to the floor with hardware (K). 
5.  Swing the last tread back into position and slide the final baluster through 
the tread and into the baluster cup. Fasten the line rail mounts (22) to this 
baluster with hardware (U). At this point all the balusters should be in 
location but able to rotate freely. 
Hardware 
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Parts 
⑮⑯ 22 23 
 24  
Tools 










