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    Order / Enquire Now

    To order a product or to ask us a question, speak to our team on 0208 916 2222 or use the live chat facility in the corner of your screen. Alternatively, fill in the simple form below and we will endeavour to respond within 48 hours

    • Please see the Website terms & Conditions at the bottom of the homepage

    Substructure

    Paving / Tiling Applications

    Paving / Tiling Applications

    • The entire system has been designed, developed & manufactured by Wallbarn to ensure it meets the latest rules regarding Class A systems in the United Kingdom.
    • Paving headpiece can be fitted anywhere along the rail for perfect alignment of tiles.
    • All Wallbarn aluminium rails/joists are  compatible with the Joist Holder.
    • The system is designed to enhance support for slabs and tiles while providing added lateral strength across the deckofficial test report, ensuring a more stable and durable surface.
    • The system enables faster installation of suspended paving projects, offering some height adjustment using the inside steps of the Joist Holder.
    • Perfect for low height thresholds.
    • Pave up to walls and parapets with the Metal Edge Plate which provides drainage gap between the wall and perimeter tiles/slabs.
    Decking Applications

    Decking Applications

    • Low Height substructure system for installing Class A decking.
    • All Wallbarn aluminium rails/joists are compatible with the Joist Holder.
    • Our Aluminium joists are made from 3mm thick high grade extruded aluminium, making it strong enough and particularly ideal for high traffic commercial projects.
    • Class A Decking Clips & Screws available to ensure you fully meet fire safety rules.
    • The W Clip 60 for fixing Class A decking boards, is made from black anodised aluminium to ensure it meets Class A standards.
    • W Clip 60 comes with it’s own black stainless steel screws as part of a full kit.
    • The W Clip 60 has been specifically designed to match the width of our robust aluminium joists to cover the shiny aluminium so they are not seen through the drainage gaps.
    • This system streamlines installation, outpacing traditional decking with its specifically designed components. The uniform, broad surface and perfectly level aluminium joists accelerates construction, ensuring a rapid and smooth build.
    • We have worked hard to create a system that is fast, safe and secure construction of our Ultra Low Class A substructure.
    Spreader Plate

    Spreader Plate

    The base of the Joist Holders is 93mm x 93mm which is sufficient for applications onto hard sub-surfaces such as concrete. However, if users need to mount the system directly onto softer surfaces such as insulation or waterproof membranes then an additional spreader plate can be used.

    The Joist Holder will slide into the slots on the top side of the spreader plate and lock into place. The spreader plate is 185mm diameter with a smooth underside to diffuse and distribute the weight effectively.

    Fire Regulations

    Fire Regulations

    Our Class A2-s1, d0 rail system meets fire testing standard BS EN ISO 1716:2018

    Certified Class A2-s1, d0 (Warrington Fire) – Powder Coating | Steel

    They are classified in Class A (‘No contribution to fire’) in
    Decision 94/611 /EC

    This product has been developed to ensure compliance with:

    For further information or to discuss a project, speak to a member of our technical team. Call us on 020 8916 2222 or send us a message here.

    Box Rail

    Box Rail

    Wallbarn’s Box Rail is made from premium-grade 6063 T6 extruded aluminium. These rails were designed by Wallbarn and manufactured right here in the United Kingdom. They seamlessly cater to both paving and decking applications, creating the perfect Class A non-combustible substructure system.

    They are particularly useful for retro-fit projects for the common rip-and-replace schemes currently being undertaken to remove combustible materials from occupied flats. With years of successful implementation on numerous large-scale commercial and residential projects across the UK, the Box Rail has proven its reliability and strength.

    Originally conceived as an ultra- low height alternative to timber and composite joist/rails, it has now become a standard choice for Class A decking and raft systems due to its lightweight and easy installation properties.

    Key Advantages:

    • Designed, developed and manufactured in the UK.
    • You can achieve a total substructure height threshold as low as 17mm
    • Ideal for both decking and paving projects.
    • Provides robust support for decking or paving, especially at low height thresholds, and enhances lateral strength across the deck.
    • Customised edge profile ensures seamless integration with our other Class A components.
    Wallbarn