Premature failure of asphalt shingles

Roofing · Asphalt Shingles · printed page 10 (PDF page 11)

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Book index entries

Failures of Fiberglass Shingles Fiberglass Shingles – Premature Failure Premature Failure of Fiberglass Shingles

Text in the illustration

premature cracking of shingles can occur even in newer asphalt shingle applications
cracks may be horizontal or vertical

Generated explanation

The illustration shows overlapping courses of asphalt roof shingles with staggered tab joints. Irregular cracks run horizontally and vertically through several shingles, with arrows identifying examples of both orientations. Some cracks extend across multiple adjacent shingle tabs. The annotations identify this as premature failure that can occur even in newer asphalt shingle applications.