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).

2. 2 Framing

Timber framing must comply with AS 1684 and steel framing must be designed and constructed in accordance with AS 3623. Minimum distances from end and edge of timber framing members must be observed to avoid splitting. Stud spacing must not exceed 600mm centres. Noggings must be fitted between studs at 1350mm maximum centres.

With a 1.8 m spirit level, check for variations in the frame that are over 6 mm. Large variations negatively affect weather protection or can appear as visual defects under critical light conditions. If the frame is out of plumb, but not structurally defective, consult with the builder or contractor for remediation.

BGC Vinyl & Cork Underlay sheets have been designed to provide a smooth, durable and completely termite and rodent proof surface on which to lay vinyl and cork tiles and parquet floors.

Vinyl and Cork Underlay sheet are immune to water damage and will not swell. The sheets are completely termite and rodent proof.

Vinyl & Cork Underlay:

• provides a smooth base on which to lay vinyl or cork flooring.
• durable and easy to work with

*some sizes may not be available in all states, please check with your local BGC office for availability.

The Hebel PartyWall system can be either a loadbearing or non-loadbearing wall. The Hebel PowerPanel within the wall system is non-loadbearing with the exception of self weight.

9.2 Construction Loadings

During construction, the Hebel PowerPanel could be subject to wind loading. The builder shall provide the necessary temporary bracing of the panel until both structural frames are installed.

Note: The screw connections may not be adequate to stabilise the panel against construction loadings.

9.3 Cutting of Hebel PowerPanel

The standard Hebel PowerPanel can be reduced in length by cutting 150mm maximum from each end, and to a minimum width of 270mm. All exposed steel reinforcement shall be liberally coated with the Fentak anti-corrosion coating available through CSR Hebel.

9.4 Wall Frame

The wall framing presented in this Design Guide for various wall systems are nominated for the acoustic and fire performance values. It is the designer’s responsibility to determine an appropriate wall framing system to satisfy structural adequacy. Several items the designer must allow for are:

• lateral loadings
• wall height
• deflection limits
• offset distance (gap) from the panel
• building movement
• control joint locations

9.5 Wall Height

The overall wall height limit is 12m for both 75mm Hebel Intertenancy 001 and 75mm Hebel Intertenancy 002. The wall shall be constructed of Hebel PowerPanel of 3000mm maximum length. Walls constructed with panel lengths exceeding 3000mm are outside the scope of this guide.

9.6 Earthquake Loading

Earthquake loading has not been considered in this design guide. It is the designer’s responsibility to ensure the connection system has adequate capacity to resist any imposed earthquake loading.

9.7 Fixings

Fasteners & Fixings

Most screw fixings are timber type, which is sufficient for penetrating the metal thicknesses outlined in this design guide. Connections that have larger metal thicknesses may require a metal type screw and will need to be designed and approved by the project engineer.

Fixings – Deflection head track to substrate

The fixing to secure the angles and tracks to the concrete slab shall be capable of withstanding a shear load of 0.75kN. For high wind pressures during construction, the designer shall determine if mechanical fasteners are required:

• Drive pins and concrete nails (check size and suitability for fire rated situations with the manufacturer);
• 8mm diameter mechanical fasteners.

Table 9.1 outlines the connection type and requirements for constructing 75mm Hebel Intertenancy 001 and 75mm Hebel Intertenancy 002 detailed in this design guide.

table 9.1:Fixings