Hail Roof Asphalt Shingle Roof

Mineral granules from asphalt roofing may appear at the ends of downspouts.

Hail roof asphalt shingle roof.

Through research and testing ibhs was able to manufacture hailstones that replicated the properties of hail produced naturally. Shingles labeled as impact resistant were purchased and put through a series of in lab tests that simulated the effects of hail impacts. Hailstones vary in size shape and hardness and can create a random pattern of dents or depressions. Hail hits that are soft to the touch like the bruise on an apple.

Hail damage compared with blister rash damage on asphalt roofing shingles. How to tell the difference. Hail hits that are black in color. Hail damage visible from ground level.

What does hail damage look like on asphalt shingle roofs. Asphalt and composition shingles hail damage. Impact resistant shingles are recommended for homes in areas that see frequent hailstorms or other higher impact debris. However there are no published scientific studies to validate this statement.

Granule loss to asphalt shingles as well as review the methodology to assess hail damage to an asphalt shingle roof. Wood shingles hail damage. Asphalt and or mat that appears shiny. This article tells readers how to identify roof shingle hail damage and how to distinguish a hail damaged roof from blister rash damage foot traffic damage wind and other conditions such as shingle rash blistering cracking and granule loss associated with normal shingle aging.

Aside from hail impact these materials can withstand high winds of up to 110 mph. Hail damage to asphalt shingles may consist of punctures tears fractures bruises or the more common displacement of granules. Displacement of granules occurs when granules have been knocked off by the impact of hail stones hitting the roof. The authors have inspected thousands of asphalt shingle roofs and found that damage inspectors frequently mistake various shingle anomalies such as foot scuffs adhesive spots etc as hail damage.

Start by looking for evidence of hailstorm damage from the ground. Loss of granules which may expose the roof felt. Generally damage can be seen as indentations and or fractures on the shingle s surface. The authors have inspected thousands of asphalt shingle roofs and found that damage inspectors frequently mistake various shingle anomalies such as foot scuffs adhesive spots etc as hail damage.

Random damage with no discernable pattern. Considered a class 4 product impact resistant shingles can be made of steel rubber asphalt with sbs rubber asphalt with special matting materials aluminum copper and resin. If this is not evident look for indentations on metal flashings siding chimney caps or even skylight flashings. Many asphalt shingle manufacturers have issued technical bulletins about hail and granule loss stating that if granules are lost from the shingle due to hail the shingle has lost life.

The loss of protective granules exposes underlying asphalt to damaging sun rays.