Hail Damage VS Heat Blisters on Shingles - What's the Difference?

Many times roofing specialists and even adjusters can get hail damage and heat blisters mixed up when trying to identify the cause of damage on your roof.

Hail damage has a very distinct look, where you can see that something from the sky has struck the asphalt shingle and formed an indention.

Heat Blisters are typically smaller and look like little volcanoes that have exploded on the roof. Blistering is mostly due to your roof overheating due to improper ventilation. The sun beats down on the roof and the attic gets so hot that it bakes the roof and causes gas to buildup and explode under the shingles, causing the blisters.

It is important to identify if you have hail damage because insurance will cover the damage, while blisters are considered home owner neglect and will typically not be covered by your insurance.

Feller Roofing of New Braunfels is a GAF Master Elite Contractor, the #1 roofing contractor in New Braunfels. We provide roof repairs and replacements to New Braunfels, Cibolo, Canyon Lake, Converse, Universal City, and San Antonio Texas.

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[RyanAmerson-bs]

Can’t hail hits also open up a blister?

[redbaroncarwash]

It's a little more complicated than that. Especially given that there is the existence of hail on the roof also. A blister is not a covered cause of loss on an insurance claim, but if the blister was ruptured by hail, it is a covered loss. It doesn't take a very large hail stone to knock the top off of these blisters.

[jamescarter]

This seems not to be correct this is a excuse insurance companies are looking for. Who is to say that the blister spot could have been caused by hail striking the upper layers of the shingle and the blister formed in that unprotected spot.