New Roof Shingles Bubbling

The shingles will have been nailed down so this is not a case of the shingles simply pulling loose.

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. Under your shingles there is a layer called the roof sheathing. Failure to apply shingles as directed by the shingle manufacturer s recommendations. A roof over or re roof is not recommended because it will certainly lead to buckling.

What causes shingles to buckle. When the shingles heat up they become flexible and the. A roof blister is a raised area where there is a loss of adhesion of the roof. The most common cause appears to be movement in the roof sheathing with changes in moisture levels.

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. 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. This then telegraphs to the shingles above. 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.

This sheathing is generally made from plywood or a similar material. 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. It doesn t matter how old or new your roof is buckling shingles indicate it needs a professional inspection right away. The nails slip out of the sheathing and create small visible bumps on the.

The wetness gets absorbed by the felt underlayment causing the felt to wrinkle. Buckling can occur if the wrong type of nails were used to connect the sheathing to the rafters. 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. This is a roofing manufacturer s approval that must be met.

Buckling shingles look like something is underneath the shingles pushing them upward. Standard asphalt shingles feature an adhesive strip that softens during warm weather especially when the sun s rays hit the roof directly. 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.

You also may have curling shingles where the center of the shingle looks concave and the edges turn up. Sometimes new shingles are applied directly on top of old uneven shingles.