New Roof Shingles Bubbling

Especially if the roof is soft there it seems this must be a case of the plywood underneath having gotten wet and as it dried out then warping and bubbling up underneath.

New roof shingles bubbling.

You also may have curling shingles where the center of the shingle looks concave and the edges turn up. Buckling of asphalt and fiberglass shingles is a fairly common occurrence although it usually occurs in the first year after installation and sometimes diminishes over time. The nails slip out of the sheathing and create small visible bumps on the. Standard asphalt shingles feature an adhesive strip that softens during warm weather especially when the sun s rays hit the roof directly.

A roof over or re roof is not recommended because it will certainly lead to buckling. The most common cause appears to be movement in the roof sheathing with changes in moisture levels. This then telegraphs to the shingles above. It doesn t matter how old or new your roof is buckling shingles indicate it needs a professional inspection right away.

When the shingles heat up they become flexible and the. What causes shingles to buckle. This area can fill up with air or water to form a blister which looks like a bubble on your roof. One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest.

Sometimes new shingles are applied directly on top of old uneven shingles. Under your shingles there is a layer called the roof sheathing. The shingles will have been nailed down so this is not a case of the shingles simply pulling loose. Thursday june 14 2018 asphalt shingles sometimes buckle slightly and in an irregular pattern due to moisture in a the materials of a new roofing system.

Buckling can occur if the wrong type of nails were used to connect the sheathing to the rafters. Buckling shingles are a sign of a major problem with your roof. The wetness gets absorbed by the felt underlayment causing the felt to wrinkle. If left untreated a blister can grow larger and allow more moisture to get in so that the problem gets worse until more extensive repairs and possible replacement is necessary unless it pops.

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. The plywood should have been replaced where there were problems. Failure to apply shingles as directed by the shingle manufacturer s recommendations. This sheathing is generally made from plywood or a similar material.

Those ripples bumps can be pressed down easily which suggests that there is space between the shingle and decking i e shingles are not properly supported by the decking where there are ripples. If you see anything looking off with the way your shingles are laying give your trusted roofing contractor a call and have your roof checked out right away.