Installation Guide
Splicing Inside 
Corner Post 
Cut 1˝ off all but the outer face of the 
upper portion of the bottom corner 
post. (Fig 4) Lap 3/4˝ of the upper 
post over the lower post, allowing 1/4˝ 
for expansion.
This method will produce a visible 
joint between the two posts, but  
will allow water to flow over the  
joint, reducing the chance of water 
infiltration.
Capping a Corner Post
Step 1
Corner posts on homes with a second-
story overhang need to be capped 
by making the cuts shown. Allow 
approximately 2˝ extra length on the 
corner post. Trim away everything 
except the 2 faces. Fold the flaps  
created over each other as indicated 
(Fig. 5).
Step 2
Drill a 1/8˝ hole in the center through 
both layers of vinyl, and install a pop 
rivet to hold them in place. Cut a 
notch in both layers to allow clearance 
for the corner (Fig. 5).
22
outside and inside corner post
accessories installation
1 Inch
Fig. 4
Fig. 5










