LOS BOSQUES SPANISH NATURAL ROOFING SLATE |
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ORIGING: North-west Spain | |
COLOUR: Blue-Black | |
SIZES: |
Water absorption | W1 |
Non carbonate carbon content | In accordance <1% |
Mechanical resistance characteristics (MoR) | Transversal 49,4N/mm2 Longitudinal 54,8N/mm |
Calcium carbonate content | Complies <1% |
Dimensional tolerances | Complies |
Thermal cycle | T1 |
Exposure SO2 | S1 |
External fire performance | Deemed to satisfy A1 |
Reaction to fire | Deemed to satisfy A1 |
Release of dangerous substances | None |
Use as roofing or external cladding | Yes |