Roof Shingles Are Blistering

Blisters or blister rash can be identified by inconsistent bubbles rising up from inside the shingle.

Roof shingles are blistering.

See blisters on asphalt shingles and our shingle blister photo at left for examples of shingle blistering. 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. While undergoing the lamination process moisture can be trapped between layers.

If the shingles on a roof have trapped moisture they are likely to start blistering when the sun heats the roof. Poor or inefficient ventilation causing the shingles to reach excessive temperatures over 60 c. Shingles blisters are caused by varicella zoster the same virus that causes chickenpox. There is no fool proof way to prevent blistering.

This is the same virus that causes chickenpox. Shingles causes itchy painful blisters that may take some weeks to heal. The roofing company co takes a look at what causes asphalt shingles to blister and what can be done to prevent it. Shingles is a disease that causes a painful blistering rash to form on the body and sometimes the face.

The whole process may take. Typically asphalt shingles only blister where the exposure conditions on the roof include one or more of the following. 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. The cluster of blisters that form with shingles fill with fluid pop then start to ooze.

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. 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. Blistering only occurs in asphalt roof shinglesas it is a byproduct of manufacturing or installation. Individuals who have suffered chickenpox in the past may suffer an attack of shingles later on in life.

So at least on some roof shingles rash blisters may indeed be an indication of a reduced life expectancy. Eventually the affected areas crust over and heal like the rash shown here. The varicella zoster virus causes it. The key is when the shingles are installed.

Also if a roof does not have proper ventilation shingles can blister because of intense heat. When blisters pop on shingle roofs the granules become dislodged leaving the asphalt unprotected from the uv rays of the sun.