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Alpha Structure
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Material
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Standards
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Properties
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Other
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Framework
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Anodised Aluminium
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Framework Engineered to meet BS6399
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Alloy designation 6061 (AlMgSiCu) and 6082 (AlMgSi1)
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20% of all aluminium originates from recycled sources
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Column Legs
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Anodised Aluminium
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Engineered to meet BS6399
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Alloy designation 6061 (AlMgSiCu) and 6082 (AlMgSi1)
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Profiles:
Lateral and Gable Columns: MU 172 Anodised aluminium with steel reinforcement’s rectangular profile 220mm x 110mm x 3mm.
Corner: MU 173 cross profile 220 x 220 x 3mm.
Internal: MU 173 cross profile 220 x 220 x 3mm.
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Cladding (Insulated)
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Laminated horizontal steel cladding. Galvanised outer steel layer 0.63mm, inner layer 0.50mm
Pre-painted PES 25m outside, 15m inside. 60mm polyurethane foam insulating layer
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EN13501-1 (Reaction to Fire C-s3,d0)
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U Value
0.41 W/m2K @ 60mm
0.80 W/m2K @ 30mm
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Available in a range of profiles and RAL colours.
These panels can be easily cut to allow for the fitting of, for instance, patio doors to match the specification of a show apartment within a marketing suite or windows for an office
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Glazed Panels
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60mm section aluminium with 6mm “sekurit” glass panel
(double glazing two panels of 6mm “sekurit” with a 4mm void)
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All glass is 6mm “sekurit” safety glass to BS EN 12150
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U-Values
Single Glazing 5.70 W/m2K
Double Glazing 2.70 W/m2K
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Double glazed panels are 2.7m or 1.0m high
Glazing is always in a run of 5m or a multiple of 5m
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Glazed Doors
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Aluminium frame with 6mm “sekurit” Glazing.
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All glass is 6mm “sekurit” safety glass to BS EN 12150
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U-Values
Single Glazing 5.70 W/m2K
Double Glazing 2.70 W/m2K
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Fits into ground beam to create level threshold 160mm above ground level
Lockable (2 keys provided on handover)
2 way opening with Panic bar on one side and Self Closers
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Roof Membrane
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PVC/Polyurethane membrane
1050g/m2 “fluotop” dirt repellent coating
Resistant to mould, sea spray and UV
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M2 fire classification
Tested to BS 5438 and achieving BS 7837
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U Values
Single roof 6.40 W/m2K
Double (insulated) roof 2.33 W/m2K
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Roofs are available in two distinct designs: Barrel Vaulted and Pyramidal
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Other Components
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Galvanised Steel
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BS6399
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Fixings, bracing cables, baseplates, reinforcement members
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Anchoring
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Usually by M20/170HAS rods into a pre-prepared concrete base using HVU Adhesive
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Tested post installation to ensure that necessary loadings are achieved - BS6399
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Design resistance of 62.9kN tensile load and 54.0kN shear load per rod
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Where fixing by HAS rods and HVU Adhesive is not possible, a number of different anchoring methods are available – all tested to ensure that the requirements of BS6399 are met.
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