Is there any mold/mildew on the sheathing?
Attic temps will always be over 100 degrees in the summer.
Attic ventilation also has about 0% to do with shingle surface temperatures if the roof has any pitch to it.
Post up a picture and you will get better feedback.
About 20 years out of today's shingles is not bad despite their "Lifetime" warranty claims.
Attic temps will always be over 100 degrees in the summer.
Attic ventilation also has about 0% to do with shingle surface temperatures if the roof has any pitch to it.
Post up a picture and you will get better feedback.
About 20 years out of today's shingles is not bad despite their "Lifetime" warranty claims.