Specifications

STANDARD SPECIFICATION - BUILDINGS
DPI REFERENCE TEXT - APRIL 2009
PAGE 21
CLADDING & LINING
Louvre Blade width: 150 mm nominal.
Glass Louvre Blades: To AS 1288.
Metal Louvre Blades: Proprietary pre nished metal
blades complying with the design requirements.
8.14 INSTALLATION
Install ashings and weatherings so that water is
prevented from entering the building. Finish the
installation with trims etc., to make neat, clean
junctions at adjoining building surfaces.
8.15 COMPLETION
Remove temporary protection and ensure smooth
and free operation of the assemblies.
9. CLADDING AND LINING
9.1 GENERAL
Cross references
Refer to the following sections:
• Tiling, for waterproong of wet areas.
• Insulation and Sarking, for wall sarking
requirements.
• TimberandSteelConstruction, for compressed
bre cement ooring.
9.2 MATERIALS AND COMPONENTS
Flashing material
Standard: To AS/NZS 2904.
Sarking
Heavyweight reinforced aluminium foil complying
with AS/NZS 4200.1.
Proprietary Item: Bradford Thermofoil 753 (heavy
weight).
Fasteners
Steel nails: Hot-dip galvanized to AS/NZS 4680.
Self-drilling screws: To AS 3566, corrosion
resistance class 4 in tropical areas and class 3 in
inland areas.
Finish: Prenish exposed fasteners with an oven
baked polymer coating to match the cladding.
9.3 PLASTIC CLADDING
Standard
Unplasticised polyvinyl chloride (UPVC) sheet: To
AS 4256.4.
Glass bre reinforced polyester (GRP) sheet: To
AS 4256.3.
Polycarbonate: To AS 4256.5.
Provide a proprietary system of interlocking planks
including all accessories xed in accordance with
the manufacturers requirements and the Northern
Territory Deemed to Comply standards.
Installation
Standard: To AS 1562.3.
9.4 FIBRE CEMENT CLADDING
Standard
General: To AS/NZS 2908.2, type A, category 3.
Plank cladding
Type: Provide a proprietary system of single faced
bre cement planks 7.5 mm thick.
Joints and edges: Metal joining clips and UPVC
moulded trims to nish at door and window frames.
Corners: Preformed metal joining pieces.
Sheet cladding
Type: Provide single faced bre cement sheets 6
mm thick.
Joints, corners and edges: UPVC extrusions or V
butt joints. Use a Super Alcor backing strip behind
vertical V butt joints and a Z section zincalume trim
at horizontal joints.
Eaves & soft lining
Type: Provide a proprietary system of single faced
bre cement sheets 6 mm thick.
Joints: UPVC extrusions or V butt joints.
Installation: Screw x at 150 mm crs with proprietary
self embedding head screws in accordance with
the manufacturers instructions and the Northern
Territory Deemed to Comply standards.
Screw Types
To metal 1mm to 1.6 mm thick: Blue Hornet self
embedding head screws.
To timber and to metal under 1 mm thick: Streaker
No. 8 x 20 mm self embedding head screws.
9.5 COMPRESSED FIBRE CEMENT
CLADDING
Standard: To AS/NZS 2908.2, type A, category 5.
Cladding: 9 mm thick compressed bre cement
sheets.
Joints: Expressed joints - 10 mm gaps with EDPM
gasket backing strips.
Fixing: Recessed countersunk screws in pre-drilled
holes, lled with epoxy compound and sanded
smooth in accordance with the manufacturers
technical data.
9.6 METAL CLADDING
Cladding
Provide a proprietary system of prenished proled
metal cladding complete with accessories, trim and
ashings.
Fixing: Fix in accordance with the manufacturers
instructions and the Northern Territory Deemed to
Comply standards.
Penetrations: Flash all pipes and ducts, etc.,
passing through the cladding and trim with colour
matched material to ensure weathertight joints.
Design and installation
Standard: To AS 1562.1.
Specifications March 2009.indd 21 11/03/2009 11:47:11 AM