For single course application, an attractive
effect can be made by staggering the butt of
the Certi-label Western Cedar shingle from
the horizontal line. Apply the Certi-label
Western Cedar shingle irregularly at variable
distances below (but not above) the
horizontal line.
Staggered butt applications are made by
shortening the exposure less than the
greater maximum exposure. No Certi-label
Western Cedar
shingles or shakes shall be
applied greater than the maximum exposure
allowed. Check with local building codes for
approval of the staggered butt coursing
installation method.
Ribon Coursing
A double shadow line effect can be obtained
by raising the outer course Certi-label
Western Cedar shingles approximately 1"
above the undercoursing. Use Number 1
Grade Certi-label Western Cedar shingles for
undercoursing when applying ribbon
coursing (Figure 11).
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