Degradation from the sun will weaken the shingles, which are petroleum based, after a decade, state officials said at a ...

In the Southwest, clay roofs have been popular because they perform best in the region’s hot, dry climate and have a long ...

The state’s most popular roofing material — asphalt shingles — are taking a beating with potential consequences for millions ...

But 22 years after that installation, his insurance company ... for a new roof do not differentiate between a new asphalt shingle roof and a new metal roof, but it’s likely to be among the ...

As asphalt shingle roofs age, the report said, they become more susceptible to “cohesion failure” in the underlying sealant, which leaves the roof vulnerable to wind uplift forces. Shingles ...