New Roof Buckling Shingles

Asphalt shingles sometimes buckle slightly and in an irregular pattern due to moisture in a the materials of a new roofing system.

New roof buckling shingles.

Moisture in underlayment and roof decking. Then replace the area with new shingles. Only use wood decking materials that are at moisture equilibrium with the local environment. Cut out plywood felt or underlayment that is causing the buckle.

This is what we call buckling. 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. Buckling shingles can sometimes be traced back to mistakes made during roof installation even though the buckling may not show up for a year or two after you get a new roof. Shingles that are curled or buckling are another sign that you may need a new roof.

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. You may have curling or buckling shingles for a number of reasons but the. Make sure to apply shingles in accordance with the shingle manufacturer s recommendations.

Keep all decking materials dry before and after installation. But the moisture evaporates as the materials reach equilibrium with the the surrounding air and the shingles settle back down flat. This then telegraphs to the shingles above. 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.

It is caused as a result of the movement of the wood roofing deck or wrinkling of the underlayment. Under your shingles there is a layer called the roof sheathing. If the felt paper is rained on it s best to let it dry out before installing shingles. Why does your roof have buckling shingles.

Another cause of buckling can be wetting of the felt paper which will expand if it gets wet. There could also be a possibility that the roof is defective. They should also be. Shingle buckling is one of those awful things that can happen to a roof through no fault of anyone.

And this is a serious problem because if minor buckling is not addressed it could require a full roof replacement. Depending on the size of the area to be fixed you may elect to replace all the shingles for symmetry and appearance.