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

Poltron slate Roofing are sourced on the mountains of Gestoso área, one of the best quality rock all aronud the Spanish quarries región. Minimal visible pyrite.
S.S.F are proud to offer one of the best value for money slates on the market.
Poltron Slate is available 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 45,44N/mm2
Longitudinal 55,73N/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