Starting the Wave

Starting the Wave

The three collated shingle strips making up the course are labeled with a course number and as a center, left-, or right-hand strip.

Starting the Wave

The first wave-course shingles are placed directly over the base course, with the joints offset a minimum of 1 1/2 inches.

Starting the Wave

Shims are glued on the diagonal to match the rake.

Starting the Wave

Working from the centerline marked on the straightedge...

Starting the Wave

...and the first wave offset line marked on the template...

Starting the Wave

...a worker traces the pattern on the shingles.

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