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CertainTeed Vinyl Siding Installation Guide
79
Shutter Installation
The ideal application (a) has a joint between the two shutters
where the shutters are secured to the home. In this way, the
siding panel is not “hard nailed” between the two shutters and
the siding is allowed free movement.
When there is no joint between the shutters and when the shutters
are secured to the home (b), the shutters’ fasteners do not
allow the siding panel to move. The siding panel then fails
to perform because it cannot expand or contract with the
temperature changes.
To prevent this, enlarge the holes in the siding for securing
the shutter—the hole should be 1/4" larger than the shank
of the fastener.
If possible, stagger the screws securing the shutter so that they
do not line up on the same panel. It is also a good idea to apply
caulk around the screws.
NOTE: See page 76 for fitting siding into narrow openings.
a
b