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  • Calidad 40 Roofing Slate

    The Calidad 40 slate gives a great rustic look and is available in a range of sizes and grades. This versatile slate can give you great results which have come to be expected from slates sourced in Northern Spain. This particular slate is quarried at Los Campos in Northern Spain in the Galicia region.



    Data Sheet

    Water absorption W1
    Non carbonate carbon content In accordance <2%
    Mechanical resistance characteristics (MoR) Transversal 61.5N/mm2
    Longitudinal 66.4N/mm2
    Calcium carbonate content Complies <20%
    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


    Calidad 40 Data Sheet

    JRC Slate - Roofing Slate Suppliers for Cumbrian, Welsh, Spanish and British Slate

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