Make sure to apply shingles in accordance with the shingle manufacturer s recommendations.
New roof buckling shingles.
Only use wood decking materials that are at moisture equilibrium with the local environment.
Shingles that are curled or buckling are another sign that you may need a new roof.
This is what we call buckling.
Use an asphalt saturated felt shingle underlayment to cover the decking materials before applying the shingles.
The wetness gets absorbed by the felt underlayment causing the felt to wrinkle.
It is caused as a result of the movement of the wood roofing deck or wrinkling of the underlayment.
You may have curling or buckling shingles for a number of reasons but the.
Asphalt shingles sometimes buckle slightly and in an irregular pattern due to moisture in a the materials of a new roofing system.
Moisture in underlayment and roof decking.
But the moisture evaporates as the materials reach equilibrium with the the surrounding air and the shingles settle back down flat.
Look at the slopes of your home that get direct sunlight and if you notice the shingles are curling and losing granules it could mean the shingles are past their life expectancy.
And this is a serious problem because if minor buckling is not addressed it could require a full roof replacement.
Shingle buckling is one of those awful things that can happen to a roof through no fault of anyone.
There could also be a possibility that the roof is defective.
Depending on the size of the area to be fixed you may elect to replace all the shingles for symmetry and appearance.
Out of all the causes of buckling shingles the most common and the most damaging reason.
They should also be.
Why does your roof have buckling shingles.
Cut out plywood felt or underlayment that is causing the buckle.
Then replace the area with new shingles.
Hard to tell from one photo but if the buckling followed the pattern of joints in the roof sheathing it can be caused by installing shingles over sheathing before it has had time to reach moisture equilibrium with the homesite environment.
Keep all decking materials dry before and after installation.
In new construction it is best to let the roof sheathing acclimate to local conditions before installing the roofing although this is not always practical.
This then telegraphs to the shingles above.
Another cause of buckling can be wetting of the felt paper which will expand if it gets wet.
Under your shingles there is a layer called the roof sheathing.