ORIGING: North-west Spain
COLOUR: Blue-Black
SIZES: 50x45, 50x30, 50x37, 50x25, 40x37, 40x25, 40x30, 40x20, 35x30, 35x20

Los Bosques slate Roofing has a smooth, slightly textured appearance, with no visible pyrite. This slate, which is blue black in color, is very easy to grade and lay on the roof and is sourced directly from the slate quarry.
From La Baña región S.S.F provide the Los Bosques Slate in Best grade.
This roofing slate complies with all relevant Europen Standard EN 12326 and test results show that this slate is A1-T1-S1

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