Asphalt roof shingles
Asphalt roof shingles
(OP)
Are there any US codes relating to combustibility etc of ashalt roof shingles?
I need to know if in fact these shingles burn and at what temps?
Any info will be of great assistance.
Regards
I need to know if in fact these shingles burn and at what temps?
Any info will be of great assistance.
Regards




