Roofs fail to defend against frequent hailstorms, study reveals

(PhysOrg.com) -- A new study of hailstorms in Sydney has found many of the city's roofs are unable to resist the large hailstones expected to hit every 10 years.

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<p><a href="http://www.physorg.com/news144346547.html">Roofs fail to defend against frequent hailstorms, study reveals</a></p> <p>(PhysOrg.com) -- A new study of hailstorms in Sydney has found many of the city's roofs are unable to resist the large hailstones expected to hit every 10 years.</p>