Hail Roof Asphalt Shingle Roof

Displacement of granules occurs when granules have been knocked off by the impact of hail stones hitting the roof.

Hail roof asphalt shingle roof.

Granule loss to asphalt shingles as well as review the methodology to assess hail damage to an asphalt shingle roof. Hail damage to asphalt shingles may consist of punctures tears fractures bruises or the more common displacement of granules. Random damage with no discernable pattern. Hail hits that are soft to the touch like the bruise on an apple.

However there are no published scientific studies to validate this statement. Impact resistant shingles are recommended for homes in areas that see frequent hailstorms or other higher impact debris. Loss of granules which may expose the roof felt. Start by looking for evidence of hailstorm damage from the ground.

Shingles labeled as impact resistant were purchased and put through a series of in lab tests that simulated the effects of hail impacts. Random damage with no discernable pattern. A split in the shingle that is brown orange in color. If this is not evident look for indentations on metal flashings siding chimney caps or even skylight flashings.

Metal components such as metal siding air conditioner or heat pump condensers and of course automobiles left outdoors may be dented or damaged. 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. Hail hits that are black in color. 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.

What does hail damage look like on asphalt shingle roofs. Hail damage compared with blister rash damage on asphalt roofing shingles. Wood shingles hail damage. The loss of protective granules exposes underlying asphalt to damaging sun rays.

Through research and testing ibhs was able to manufacture hailstones that replicated the properties of hail produced naturally. Asphalt and composition shingles hail damage. Aside from hail impact these materials can withstand high winds of up to 110 mph. 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.

How to tell the difference. 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. 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. Hailstones vary in size shape and hardness and can create a random pattern of dents or depressions.

Asphalt and or mat that appears shiny.