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DFW Storms & FAQs

The impact of hail damage on shingles can cause the following:

• It can remove and fracture the granule surfacing material. This may be obvious after large storms that have large hail or storms that hail for extended periods of time. This damage to the shingle mayor may not be obvious.
• The granule surfacing material is loosened. This will not immediately show up as visual damage. This will cause the shingles to lose granules over time at an accelerated rate and lead to premature failure.

The granules protect the asphalt from sunlight and ultraviolet (UV) light. Sunlight and UV will deteriorate the asphalt. The asphalt will deteriorate very quickly once exposed to the sun. Any accelerated granule loss will significantly reduce the life of the shingle. It has been expressed that there is 25% more granules on a shingle than is needed. This is not true. Some granules are not actually imbedded in the asphalt when the shingle is produced and will come off the roof in the first year after application. After the first year, the shingle does not carry any more granules than are necessary to protect the shingle for its intended life expectancy.

1. Missing area of granules on shingles.
2. Gutters, swimming pool, or areas under eaves that are covered with or full of granules. Most shingles have only a few pounds of granules per square of coverage. It does not take too many missing shingles or loose granules to have significant shingle damage.
3. Dimples on shingles. May also be seen on the back of the shingles as round, half-round or crescent shaped bruises. The dimples may only be seen on the edges of the shingles.
4. Dents in flashing, ridges, vent stacks and lead boots would indicate that roof has seen damaging hail.