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58.
Drill pilot holes with 1/8” bit through
Polygal Panel
and
Polygal Support Cleats.
Once
aligned, with
6 - 1” screws
, secure panel to
Polygal Support Cleats
. Polygal is delicate, tight-
en screws a half turn at a time so screws are flush with top of
Polygal Panel
. Use
3 - 3/4” screws
to secure
Polygal Panel
to underside of Roof Plywood.
59.
Position and secure remaining
Polygal Panels
as per
Steps 57 - 58
.With a caulking gun,
apply silicone to seal gaps between
Rafters
and
Polygal Panels
. Apply silicone down each side
of
Rafter
. Use liberal amounts to properly seal.
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