Asphalt shingles although flexible in warm weather often incur damage during cold winter months during snow or rain storms. The reason for this is because the tar in the shingle hardens and the fiberglass backing becomes ridged and cracks.
If you are watchful of your roof early fall inspections can help you find any loose ends of shingles which can be reattached with roofing cement or pure silicone. However once the shingle has cracked and …