QT EcoSeries Installation and Fixing

Panel fixings

Fix the QT EcoSeries Wall Panel onto timber battens or metal channels with galvanised 75mm x 3.15 or 3.75mm ring shank nails (timber battens only) or 10g x 75mm Class 3 (AS3566) screws(timber or steel battens) with the addition of QT Buttons in all cases. Panel fixings must be no closer than 50mm but no further than 112mm to the horizontal panel edge and no closer than 50mm to the vertical edge, while normal fixing centres are at 225mm maximum centres. It is essential that the vertical and horizontal butt joints be bonded with polyurethane foam adhesive. Also ensure polyurethane foam adhesive is applied to all batten faces prior to the panel being pushed against them for maximum bonding to the support frame. Panels can be joined off stud, if glued to the abutting panel with polyurethane foam adhesive. QT EcoSeries Wall Panels can span 225mm as an unsupported cantilever.  Panels must span across a minimum of two channels or battens and must be installed in a horizontal stretcher bond pattern. To prevent corrosion from salt aerosols in high corrosion zones, (such as geothermal activity or within a 500m distance from the sea) upgrade fixing screws to class 4 or stainless steel (AS3566).

Framing

Timber framing must comply with AS 1684 and steel framing mustbe designed and constructed in accordance with AS 3623. Minimumdistances from end and edge of timber framing members must beobserved to avoid splitting. Stud spacing must not exceed 600mmcentres. Noggings must be fitted between studs at 1350mm maximumcentres.With a 1.8 m spirit level, check for variations in the frame that areover 6 mm. Large variations negatively affect weather protection orcan appear as visual defects under critical light conditions. If theframe is out of plumb, but not structurally defective, consult withthe builder or contractor for remediation.

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