Medium grey colour with the slightest hint of green
Riven surface and coarse grain
Solar Reflectance (SRI)
Meets SRI requirements for Title 24
Eligible for 75-year
Approximately 720 lbs./sq.
Solar Reflective Index
Note: The weights given above are based on a 2″ double headlap (DHL). For a 3″ DHL add 7-5%.
All American Slate roofing slates are pre-dilled with two nail holes.
|Value||ASTM Test Method||ASTM Grade|
|Modulus of Rupture||82 MPa||C-120||S1|
|Weather Resistance||0.1 mm||C-217||S1|
Eligible for American Slate’s limited 75-year warranty.