CertainTeed’s SBS modified Class 4 impact resistance asphalt shingles
CertainTeed NorthGate SBS modified Class 4 impact resistant asphalt shingle roof installation by Stonescape Steel Roofing Company
Features & Benefits:
- Class 4 impact resistance, the highest rating available
- Greater cold-weather flexibility
- Increased granule adhesion
- Enhanced crack resistance
- Better weatherability
- Shrink resistance
