Certainteed Landmark is a dual-layered dimensional asphalt composition roofing shingle.
- Two-piece laminated fiber glass-based construction
- 229 / 240 lbs. per square (weight dependent on manufacturing facility)
- UL Class A fire resistance
- UL certified to meet ASTM D3462
- UL certified to meet ASTM 3018 Type I
- Conforms to CSA standard A123.5