Installation Guide
Page 34
Installing AZEK Rail Stairs with Glass Infi ll
Consult your local building codes for guard and handrail requirements. 
• Trim Post Sleeve to 
desired length.
• Slide Post Sleeve and 
Post Skirt over post. 
(do not force).
• Ensure Posts are square 
and plumb. 
MEASURE RAILS
• Determine 
measurements 
and angle as 
shown. Transfer 
measurements to 
Top and Bottom 
Support Rails.
INSTALL POST
COVERS
Support Rails are rotated 90° for 
stair rail applications.
3
1
2
• Ensure Posts are square 
and plumb. 
Top Rail Length
Bottom Rail Length
Stair Angle
Right
Wrong
TRIM RAILS
• First trim both Top and Bottom Support Rails to dimensions from Step 2. TEST FIT 
for accuracy.
• Transfer measurement from Bottom and Top Support Rails to Bottom and Top 
Rails.
• Trim all Rails to measured lengths at appropriate angle.
Bottom 
Rail
Top Rail
Top 
Support 
Rail
Bottom 
Support 
Rail










