But they must be installed correctly.
Roof plywood buckling.
Improper installation of roof sheathing panels can result in warping or buckling of asphalt shingles.
Plywood and osb roof sheathing are the most popular roof sheathing materials in the u s.
The nails slip out of the sheathing and create small visible bumps on the surface of your roof.
Wood expands and contracts so there may not have been adequate planned spacing.
Buckling roof plywood below asphalt shingles is a result of many things.
Most underlayments have an adhesive side and a barrier side.
Your roof decking is the plywood sheets that cover your home.
When these boards are not properly fastened and nailed to the framing they can.
Roofing problems can be tricky to diagnose and solve but the solution here should be pretty straightforward.
I agree that it looks as if the buckling is at sheathing butt joints at rafters.
Check the buckling pattern for spacing at 4 or 8 ft intervals or a multiple of that.
They are easy to work with readily available and perform the job well.
For a good reason.