They are not always visible but should be addressed upon discovery as failure to do so can cause holes to eventually form in your shingles leaving your roof vulnerable to nature s elements.
Hail bruising roof shingle.
Shingle bruises are an indentation with fracture in the mat that feels soft like that of an apple bruise.
Shingles labeled as impact resistant were purchased and put through a series of in lab tests that simulated the effects of hail impacts.
Look for areas on the shingle that have exposed black substrate.
Identify the types of damage caused by hail.
As hail hits it may leave a circular crack in a shingle.
Second layer shingles are more susceptible to damage than first layer shingles because the surface directly underlying the shingle is less supportive than dense wood.
The bruise is a damaged portion of the roof in which the base or shingle mat is squashed.
Hail damage can also be affected by the number of shingle layers on a roof.
Hail resistant is not hail proof.
Through research and testing ibhs was able to manufacture hailstones that replicated the properties of hail produced naturally.
Because seamless gutters are frequently feature aluminum or copper construction the signs of hail damage include telltale denting.
Here are the top hail resistant roofing options available for modern homes.
How are bruises repaired.
Hail is a powerful force of nature that can even damage roofs made with concrete tiles if the stones are large enough and wind speeds are high.
A bruise feels soft when it is pressed on due to the internal fracturing of the mat.
Missing granules aren t the only indication of hail damage to shingles.
The 3 major signs of hail damage include bruising cracking and granules missing from asphalt.
These shingles can split right down the middle when hail hits.
Hail damage can either be functional or cosmetic in nature.
It s important to remember that no roof is 100 immune to the damaging effects of an intense storm or some other catastrophic event.
As you re inspecting your roof you may find splitting or cracking.
In other words the hail has placed enough pressure on the shingles that the fibers within the mat have loosened and have started to come apart.
If you have wooden shingles be on the lookout for splitting.
The most effective way to minimize hail damage is to choose durable hail resistant roofing materials.
Marshall and herzog 1999 more specifically defined functional hail caused damage to asphalt shingles as punctures tears or fractures bruises in the shingle mats figure 1.
Bruising will feel like indentations on your roof s surface.
Functional hail damage to asphalt shingle roofs is characterized by a concentrated loss of granules usually somewhat circular in shape and accompanied by a fracture in the shingle mat or a bruise in the shingle mat.
Bruising occurs when a hailstone s impact disperses the roof s granules.