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All other accessories should be fitted with foam shims and
fillers. These shims will ensure that the accessories are on the
same plane as the panels.
To fit panels into inside corners, remove 1-1/4" of additional
foam from the ends of factory-cut panels. Remove 2" of foam
from the ends of field-cut panels.
NOTE: If you use two 1-1/4" J-channels to form the inside
cornerpost (as shown on page 31), you do not have to use
shims or remove foam from the siding panels.
Around windows and doors
Because insulated siding is thicker than hollow vinyl siding,
windows, doors, and other openings may have to be built out
to avoid looking recessed. Use wood shims and either
aluminum trim coil or vinyl lineals to build out openings. In
some cases, the foam backing in TrueComfort siding will
create enough stiffness to span over or under a window
without additional support.
If you are using utility trim or dual undersill trim to secure the
panel, shim the trim to accommodate the thickness of the
siding panel. Remove the top 1" of the foam backing so the
top of the panel fits into shimmed trim. Use a snap lock punch
to raise tabs every 6" to lock the panels into the trim.
When you cut a siding panel to fit around an opening, use a
nail slot punch to create additional nail slots. Fasten through
these additional nail slots to secure the panel. Make sure the
face of the J-channel or other trim will cover the nail slots.
Under soffit
Secure the last course of siding under the soffit with utility
trim, dual undersill trim, or cornice receiver with cornice
molding. You will have to create tabs and nail slots as
described above. You will also have to shim the trim and
remove the top 1" of the foam so the top of the panel fits
into the trim.
Overlapping panels
On factory-cut panels, the foam is set back 3/4" from both
ends of the panel. The adhesive begins 1" back from the end
of the foam. To correctly overlap the panels, slip the vinyl edge
of the bottom portion of the seam between the foam and the
vinyl panel. Slide the panels together until the foam ends
touch.
dual
crimp
nail slots
trim
foam
1-1/4" J-channel
107
Wolverine Fit and Finish Installation Guide