Shingle Blisters Roof

Typically asphalt shingles only blister where the exposure conditions on the roof include one or more of the following.

Shingle blisters roof.

The shingles are composed of different layers of material. Blistering only occurs in asphalt roof shingles as it is a byproduct of manufacturing or installation. If blisters are limited to a few shingles it may be possible to ignore the damage. In some cases moisture can get trapped within the shingles during the manufacturing process.

During the manufacturing process moisture gets trapped within the shingle itself. Since each course consists of two layers of shingles blisters will not evolve into leaks but they may cause premature deterioration of the appearance of the roof if they re large and widespread. The cluster of blisters that form with shingles fill with fluid pop then start to ooze. Asphalt shingles can blister as a result of trapped moisture in the shingles.

Shingle blistering as a roof defect. Blisters or blister rash can be identified by inconsistent bubbles rising up from inside the shingle. So at least on some roof shingles rash blisters may indeed be an indication of a reduced life. Moisture in the shingle material occasionally moisture can become trapped within the layers of asphalt shingles as they are being manufactured.

Blistering normally happens on asphalt roofs. Also if a roof does not have proper ventilation shingles can blister because of intense heat. Eventually the affected areas crust over and heal like the rash shown here. Blisters are typically small steep sided craters measuring a quarter inch 6mm or less in diameter with no granules visible in the crater.

Blister on the left hail damage on the right. A roof that is experiencing many small bubbles is said to have shingle rash like skin blisters these are also filled with either water or gas that originates from one of two places. The roofing company co takes a look at what causes asphalt shingles to blister and what can be done to prevent it. Blistering is an asphalt shingle roofing problem that is often mistaken for hail damage and is one of the most common issues residential roofing contractors are called to fix especially during the summer.

Hinkle roofing your local roofing contractor discusses what causes asphalt shingles to blister and what you can do about it. What are blistering roof shingles.