Roof Shingles Are Blistering

Shingle blistering as a roof defect.

Roof shingles are blistering.

The whole process may take. Shingles causes itchy painful blisters that may take some weeks to heal. This is the same virus that causes chickenpox. Individuals who have suffered chickenpox in the past may suffer an attack of shingles later on in life.

Like all blisters there comes a time that they will surely pop. 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. Blistering only occurs in asphalt roof shinglesas it is a byproduct of manufacturing or installation. See blisters on asphalt shingles and our shingle blister photo at left for examples of shingle blistering.

Poor or inefficient ventilation causing the shingles to reach excessive temperatures over 60 c. Also if a roof does not have proper ventilation shingles can blister because of intense heat. The cluster of blisters that form with shingles fill with fluid pop then start to ooze. There is no fool proof way to prevent blistering.

Eventually the affected areas crust over and heal like the rash shown here. If the shingles on a roof have trapped moisture they are likely to start blistering when the sun heats the roof. Typically asphalt shingles only blister where the exposure conditions on the roof include one or more of the following. The key is when the shingles are installed.

As long as the blisters on the shingles keep their granules they will not cause a problem for the roof or longevity of the roof. So at least on some roof shingles rash blisters may indeed be an indication of a reduced life expectancy. Although the atlas view is reassuring based on field observation and experience and visible in beginning stages in the photo of an atlas roof shingle above we ve seen early granule loss at the blister site. Shingles blisters are caused by varicella zoster the same virus that causes chickenpox.

When blisters pop on shingle roofs the granules become dislodged leaving the asphalt unprotected from the uv rays of the sun. The roofing company co takes a look at what causes asphalt shingles to blister and what can be done to prevent it. Asphalt roof shingle manufacturers emphasize that blisters on shingles are simply a cosmetic matter and that they do not impact the wear life of the roof nor do they impact the roof shingle warranty. See shingle hail damage examples for some examples of hail damage where shingle blistering may have been a factor in granule loss.

The shingles are composed of different layers of material. Shingles is a disease that causes a painful blistering rash to form on the body and sometimes the face.