Hail Damage To Built Up Roofing

Hail damage definition morrison 1999 defined damage to roofing as a diminution of water shedding capability or a reduction in the expected long term life of the roofing material.

Hail damage to built up roofing. Concentric fractures can occur in the asphalt flood coat around the impact points on newer built up roofs whereas the asphalt flood coat can be spalled or fractured on older and more brittle roofs. August 4 2014 in claims assessing hail damage on gravel ballasted built up roofs in this interview with denise johnson ryan chauncey executive director of operations at nelson forensics explains the difficulty of assessing hail damage on gravel ballasted built up roofs and why hail size isn t enough to evaluate damage. The severity of hail damage to a roof depends on several factors including. Type of roofing materials age of roofing materials roof slope quality of construction as well as hail size hail density and hail shape and the velocity and angle of its fall.

Built up roofs comprise a large percentage of the commercial roofs today. Hail damage can also be affected by the number of shingle layers on a roof. Roofs with multiple shingle layers may be damaged by smaller hail stones due to a softer support surface directly under the top shingle layer. Old hail damage to asphalt shingles will have fiberglass particles exposed where the asphalt layer has deteriorated while little if any fiberglass particles will be exposed for new hail damage.

For example old hail damage to asphalt shingles will appear weathered with the asphalt layer having a grayish tint whereas new hail damage will appear fresh with the asphalt layer being a dark black color. Hail storms can shatter windows damage the building s exterior and most important destroy or damage the roof. Even seemingly minor hail storms can cause significant problems that you might not notice until the damage increases over time and creates openings that may be harder for a roof leak repair or even require a replacement roof. However occasional disputes arise in the.

One bad hail storm is all it takes to expose the weaknesses in your built up roofing system. The hail resistance of built up roofs has been known to be substantial especially when covered with loose and embedded gravel in an asphalt flood coat. Hail storms can cause a wide range of damage to your roof and your property in general.