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  • Calidad 25 Roofing Slate

    The Calidad 25 slate gives fantastic looks. It has incredibly low water absorption, making it similar to Welsh slate. With a textured appearance and available in Premium and Standard grades, the Calidad 25 gives roofing contractors a reliable and hardworking product, without compromising on looks.

    Available in a range of sizes to suit different styles and finished looks, the Calidad 25 slate can easily compliment any build and surrounding area. With all the slates from JRC you can be sure of the highest quality and service.



    Data Sheet

    Water absorption W1
    Non carbonate carbon content In accordance <1%
    Mechanical resistance characteristics (MoR) Transversal 47 (Mpa)
    Longitudinal 49 (Mpa)
    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


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