LYSAGHT CUSTOM BLUE ORB®

Product Description and Features

LYSAGHT CUSTOM BLUE ORB® is the traditional corrugated roofing profile, designed specifically for curving.  The extra ductility of LYSAGHT CUSTOM BLUE ORB® allows for easy curving.

• Curving quality of steel which can be curved to a variety of designs
• Can be used for both roofing and walling applications
• Long lengths allow sheets to be curved into a full circle
• Available in a wide variety of COLORBOND® steel colours

Note:

• There are straight sections at the ends of the curve which cannot be curved, read details in Product Specification section
• May be used on roof pitches from as low as 5 degrees (1 in 12)
• Read our Guidelines for using COLORBOND steel & ZINCALUME steel.

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Availability

NSW/ ACT	VIC	TAS	QLD	NT	SA	WA
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Colour Range

LYSAGHT CUSTOM BLUE ORB® is available in the standard range of COLORBOND® steel colours and in unpainted ZINCALUME® steel.

Please check with your local supplier regarding specific colour availability for this product.

Span Table

The maximum recommended support spacings are based on testing in accordance with AS1562.1-1992, AS4040.1-1992 and AS4040.2-1992.

Roof spans consider both resistance to wind pressure and light roof traffic (traffic arising from incidental maintenance). Wall spans consider resistance to wind pressure only.

The pressure considered is based on buildings up to 10m high in Region B , Terrain C ategory 3, Ms=0.85, Mi=1.0, Mt=1.0 with the following assumptions made:

Maximum Support Spacings (mm)
Type of Span	Thickness (mm) BMT	Thickness (mm) BMT
	0.60	0.80
Roofs including bullnosed roofs Single span End span Internal span Unstiffened eaves overhang Stiffened eaves overhang Walls Single span End span Internal span Overhang	1600 1600 1800 200 300 2400 3000 3300 200	1800 1800 2600 400 600 2400 3200 3600 400

• For roofs: the data are based on foot traffic loading.
• For walls: the data are based on pressures. To view the limit state wind pressure capacity tables Download LYSAGHT CUSTOM ORB® and CUSTOM BLUE ORB® (867 KB)
• Table data are based on supports of 1mm BMT.

Capacity & Load Tables

The limit state wind pressure capacity table can be viewed in the LYSAGHT CUSTOM BLUE ORB® brochure. Download LYSAGHT CUSTOM ORB® and CUSTOM BLUE ORB® (867 KB)

This information is suitable for use only in areas where a tropical cyclone is unlikely to occur as defined in AS1170.2-2002.

For correct specification and installation of BlueScope Lysaght roofing and walling products in cyclonic areas, please Download LYSAGHT® Cyclonic Area Design Manual Steel Roofing & Walling (334 KB).

Roof Drainage Capacity

Download Using LYSAGHT® Roofing & Walling - Chapter 2 Design Preliminaries (1262 kb) to view Table 2.4.1, Maximum Roof Lengths for Drainage.

Lengths

Sheets are supplied custom cut.

Tolerance (CUSTOM ORB & CUSTOM BLUE ORB) -flat

Length: +0 mm, -15 mm
Width: +4 mm, -4 mm

Curving Radii

The minimum curving radius is 300 mm (400 mm in Victoria). At the end of the curve, there must be a straight vertical section of at least 100 mm (50 mm in Dubbo, 80 mm in Victoria)

Curved Flashings

Curved flashings and cappings are made in fibreglass, plastic and steel in standard COLORBOND® steel colours.

Straight flashings and cappings are also made to match. Different states stock different materials and different lengths - ask your local supplier.

Material Specification

CUSTOM BLUE ORB is made from:

• ZINCALUME® aluminium/zinc alloy-coated steel complying with AS1397-2001 G300, AZ 150(300MPa minimum yield stress, 150g/m² minimum coating mass);

 

• ZINCFORM® zinc coated (galvanised) steel complying with AS1397-2001 G300, Z600 (300MPa minimum yield stress, 600g/m² minimum coating mass);

All the materials cover either 608mm or 762mm

The base metal thickness is 0.60 or .80 mm. The COLORBOND® prepainted steel complies with AS/NZS 2728:1997

Masses CUSTOM BLUE ORB

Base Metal Thickness (mm) / Material	kg/m	kg/m2	m2/t
0.60 ZINCALUME® steel	4.59	6.02	166
0.60 COLORBOND® steel	4.64	6.09	164
0.80 ZINCALUME® steel	6.06	7.96	126
0.80 COLORBOND® steel	6.12	8.03	125

• 0.80mm BMT is available in SA as galvanised only.

Schematic

 

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