Installation Instructions
28
28
Conceal Window Trim Assembly 
Shown are three methods for 
assembling Conceal trim around 
windows. The same basic rules 
outlines on page 21 apply.
y Make sure to leave 1/16” space 
on all four sides of the window for 
expansion and contraction of the 
trim.
y It is suggested that the trim 
frames be 
assembled 
prior to the 
installing on 
the wall.
y When mitering 
corners, it is 
recommended 
that cement 
be used.
y When square 
cutting joints, 
remove pieces 
as shown to 
create a continuous 
channel. 
y When securing frame to the 
wall, fasteners must not 
penetrate through the siding 
pocket. 
y Fasten the frame using the 
fasteners outlined on page 8.
y ,QVWDOOKHDGÁDVKLQJLQVLGHWKH
pocket of the header trim. 
Buglehead 
screws
mitered 
corners
Pocket hole 
screws 
mitered 
corners
Pocket hole 
screws 
square 
corners










