ORIGING: North-west Spain DATA SHEET
COLOUR: Deep Blue-Black
SIZES: 60x45, 60x30, 50x45, 50x30, 50x37, 50x25, 40x37, 40x25, 40x30, 40x20

Nat-Slate Roofing is quarried in the La Baña región and have the best reputation in market from many years ago for consistency and quality. Most beauty rock of La Hebra type is no visible pyrite which gives an aesthetically more pleasing finish. S.S.F provide the NAT-SLATE in Best grade. Having been through the most stringent selection process.
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 52,9N/mm2
Longitudinal 57,7N/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