Most commonly know as nail pops these areas are caused by either a roofing nail not being driven all of the way in or one that gets driven in side ways and will hold the shingle up just slightly.
Bimps shingle roof.
What causes bumps on your roof.
What are some of the most reviewed roof shingles.
Multiple things could cause these small raised sections.
What is the most common feature for roof shingles.
Owens corning oakridge 32 8 sq ft onyx black laminated architectural roof shingles.
Consumer reports reveals the best roofing shingles from its comprehensive tests including 3 tab architectural and multilayered architectural asphalt shingles.
They give the roof a finished look while forming a protective seal.
Peel and stick roofing starter shingle roll with 188 reviews and the owens corning 7 in.
Lumpy bumpy or curling shingles that do not.
Roof shingles are not lying flat.
Item 10086 model 671429.
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.
I had my shingle roof replaced a couple of weeks ago using 25 year shingles and 30 lb.
Some of the most reviewed roof shingles are the gaf quickstart 33 lin.
One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest.