1507.8.5 Material standards.
BC § 1507.8.5
Wood shingles shall be of naturally durable wood and comply with the requirements of Table 1507.8.5. Table 1507.8.5Wood Shingle Material Requirements MaterialApplicable Minimum GradesGrading Rules Wood shingles of naturally durable wood1, 2 or 3 CSSB CSSB = Cedar Shake and Shingle Bureau













