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  • Calidad 90 Roofing Slate


    The Calidad 90 slates are sourced from the world-renowned quarries in La Bana, Northern Spain. This slate gives great looks combined with superb weather resistance to let you create fantastic roofing results. With very little visible pyrite, the blue-grey finish looks as good from a distance as it does up close. With a great uniform look, this easily graded slate gives you a fantastic end result.
     

    Specification

    Data Sheet

    Water absorption W1
    Non carbonate carbon content In accordance <1%
    Mechanical resistance characteristics (MoR) Transversal 41N/mm2
    Longitudinal 44N/mm2
    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

     

    Calidad 90 Data Sheet

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

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