When the sun heats the shingle the trapped moisture will rise to the surface causing the tell tale blistering.
Shingle blisters roof.
During the manufacturing process moisture gets trapped within the shingle itself.
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.
Asphalt shingles can blister as a result of trapped moisture in the shingles.
Blistering normally happens on asphalt roofs.
If the shingles on a roof have trapped moisture they are likely to start blistering when the sun heats the roof.
Blisters or blister rash can be identified by inconsistent bubbles rising up from inside the shingle.
Blistering can also happen as a result of poor ventilation.
How to extend the life of an asphalt roof with shingle blisters or shingle rash keep foot traffic on the roof to a minimum.
In some cases moisture can get trapped within the shingles during the manufacturing process.
The shingles are composed of different layers of material.
Walking on shingles in hot weather when they are soft easily damages them.
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.
While undergoing the lamination process moisture can be trapped between layers.
If your under roof.
Also if a roof does not have proper ventilation shingles can blister because of intense heat.
The roofing company co takes a look at what causes asphalt shingles to blister and what can be done to prevent it.