Naturally split grey slates with a riven texture. A proven alternative to reclaimed slates, as it can weather to varying shades within a relatively short period of time, making it ideal for refurbishment or repair projects. Almost free from potentially damaging pyrites.
|Water Absorption||0.3% (Complies W1 < 0.4%)|
|Contents of Carbonate||Complies 0.1%|
|SO2 Exposure Test||S2|
|Thermal Cycle Test||T1|
|European Standard||EN 12326|