Roof Shingles Are Blistering

See blisters on asphalt shingles and our shingle blister photo at left for examples of shingle blistering.

Roof shingles are blistering.

The key is when the shingles are installed. The roofing company co takes a look at what causes asphalt shingles to blister and what can be done to prevent it. 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. 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. So at least on some roof shingles rash blisters may indeed be an indication of a reduced life expectancy. This is the same virus that causes chickenpox. Eventually the affected areas crust over and heal like the rash shown here.

The cluster of blisters that form with shingles fill with fluid pop then start to ooze. Individuals who have suffered chickenpox in the past may suffer an attack of shingles later on in life. When blisters pop on shingle roofs the granules become dislodged leaving the asphalt unprotected from the uv rays of the sun. Like all blisters there comes a time that they will surely pop.

See shingle hail damage examples for some examples of hail damage where shingle blistering may have been a factor in granule loss. The varicella zoster virus causes it. The whole process may take. The shingles are composed of different layers of material.

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. Shingle blistering as a roof defect. Shingles causes itchy painful blisters that may take some weeks to heal. Typically asphalt shingles only blister where the exposure conditions on the roof include one or more of the following.

There is no fool proof way to prevent blistering. While undergoing the lamination process moisture can be trapped between layers. Shingles is a disease that causes a painful blistering rash to form on the body and sometimes the face. 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.

Blistering only occurs in asphalt roof shinglesas it is a byproduct of manufacturing or installation. Shingles blisters are caused by varicella zoster the same virus that causes chickenpox.