Hail Impact
Definition
Hail impact refers to the physical damage caused to roofing materials by hailstones, which can crack tiles, dent metal sheets, shatter polycarbonate, and compromise the protective coatings on roof surfaces.
Understanding Hail Impact
Hail damage to roofing varies significantly depending on the size and density of the hailstones and the type of roofing material. Concrete and terracotta tiles can crack or shatter under impact from hailstones larger than approximately 25mm in diameter. Metal roofing develops visible dents from hailstones as small as 15mm, though the dents are generally cosmetic rather than structural unless the hailstone is large enough to compromise the coating or create a depression that traps water. Polycarbonate and fibreglass sheeting is particularly vulnerable to hail damage and may shatter under severe hailstorm conditions. The damage from a hailstorm may not be immediately apparent. On tile roofs, hairline cracks caused by hail impact may not become visible until the tile absorbs moisture and the crack opens up. On metal roofs, small dents may go unnoticed until the sun highlights them at a low angle. It is important to have a professional roof inspection after any significant hailstorm to identify and document all damage for insurance purposes. In Gippsland, severe hailstorms occur periodically, particularly during the spring and summer thunderstorm season. These events can cause widespread roof damage across entire suburbs and towns. Town & Country Roofing provides post-storm inspection and repair services and can prepare detailed insurance reports documenting hail damage. Emergency tarping is available to protect the building while permanent repairs are arranged.
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