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Supply and installation of external wall facing based on 4mm (total thickness) STACBOND ^® A2 aluminium composite panels (Fire rating A2-s1-d0). The panels are composed of a double layer of 0.5 mm sheet aluminium (exterior and interior face) in accordance with EN 485-4:1993 with an intermediate, high mineral content core (total weight approx. 8.02 kg/m2). Exterior face of 5005 aluminium alloy in accordance with UNE-EN 485-2; lacquered on exterior face (22/40 thickness), colour to be defined by project management and finished with PVdF Kynar 500 70/30 (70% polyvinylidene fluoride, 30% acrylic resin) with 100 µ protective plastic film. Interior face of aluminium lacquered. The pre-treatments used for both aluminium faces are chromium free.
Standard system for attaching panels to substructure and / or with stiffeners depending on the dimensions of the components, attached to the panels with a Sikatack-Panel adhesive system (or similar). The building envelope is completed with trim for lintels, sills, jambs, thresholds and specific elements via the manufacture of special parts composed of the same panels and with joints to allow free expansion. Sill trims have a minimum fall of 17% (10º) in accordance with Code.
SUBSTRUCTURE:(The harshness of the environment must be taken into account in accordance with Code SE-AE Wind Effect to calculate the Velocity Pressure Exposure Coefficient). Installed with vertical and/or horizontal modulation, leaving 10-20 mm slots between sheets via a system of sheets composed of an auxiliary support structure of extruded 6063 T5/T6 aluminium alloy Omega profiles (Ref. 05.19.003 SCH-2), levelled via double T anchors (Ref.05.19.004 SCH-1) and/or U anchors (Ref.05.19.046); panels are fixed to the profiles on upper part and hung by the recesses on the hanging supports (Ref. 05.19.013 SCH-4) with anti-vibration rubber buffers.

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