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DUROSPAN™
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DUROSPAN™ steel sheet is a tough, symmetrical,
trapezoidal ribbed, rolled formed roofing and
walling profile. When used as walling or fencing the
trapezoidal ribs can be run vertically or
horizontally. It is avaiable in long lengths,
governed only by transport considerations.
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Physical Properties - Mass and Yield |
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DUROSPAN™
(Light) |
DUROSPAN™
(Heavy) |
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Base
Metal Thickness |
mm |
0.25 |
0.30 |
0.35 |
0.42 |
0.48 |
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Total
Coated Thickness |
mm |
0.30 |
0.35 |
0.40 |
0.47 |
0.53 |
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Galvalume |
Colorlume |
Galvalume |
Colorlume |
Galvalume |
Colorlume |
Galvalume |
Colorlume |
Galvalume |
Colorlume |
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Mass
per unit area |
Kg/m² |
2.86 |
2.94 |
3.39 |
3.47 |
3.92 |
4.00 |
4.66 |
4.74 |
5.29 |
5.37 |
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Mass
per unit length |
Kg/m |
2.00 |
2.06 |
2.37 |
2.43 |
2.74 |
2.80 |
3.26 |
3.32 |
3.70 |
3.76 |
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Coverage |
m²/2 |
350 |
340 |
295 |
288 |
255 |
250 |
215 |
211 |
189 |
186 |
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Maximum Allowable Support Spacing
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Type of Span |
Thickness (mm) BMT |
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0.25 |
0.30 |
0.35 |
0.42 |
0.48 |
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Roofs |
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Single
Span |
700 |
850 |
1000 |
1200 |
1800 |
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End
Span |
950 |
1100 |
1300 |
1600 |
2050 |
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Internal
Span |
1300 |
1600 |
1900 |
2300 |
2900 |
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Overhang |
150 |
200 |
250 |
300 |
400 |
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Walls |
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Single
Span |
1000 |
1250 |
1500 |
1800 |
2300 |
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End
Span |
1150 |
1400 |
1650 |
2000 |
2600 |
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Internal
Span |
1600 |
1900 |
2250 |
2700 |
3000 |
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Overhang |
150 |
200 |
250 |
300 |
400 |
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Standard Thickness |
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THK |
Material Coating |
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MM/bst |
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0.35 |
Colorcoat |
Zincalume |
Colorbond |
Prima Maju |
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0.42 |
Colorcoat |
Zincalume |
Colorbond |
Prima Maju |
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0.48 |
Colorcoat |
Zincalume |
Colorbond |
Prima Maju |
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0.53 |
Colorcoat |
Zincalume |
Colorbond |
Prima Maju |
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Tolerances
Length = 0, -15mm. Cover width
± 4mm
Rib Height width:
± 1mm
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Packing
In strapped bundles of 1.2 tonne maximum but not more than
50 sheets per bundle.
Lengths
DUROSPAN™ is available in lengths up to 21 meters
customer-cut to your length requirements. Lengths longer
than 21 meters can be supplied, provide satisfactory
transport and on-site handling can be arranged
Minimum Roof Slope
The normal recommended minimum roof slope is 1 in 20
(approximately 3º). However, in non-cyclonic areas where
roofs are in single sheet lengths, with a run of less than
15 meters, a minimum roof slope of 1 in 30 (approximately
2º) may be used. For recommended slope of roofs in cyclonic
areas, please consult our Duro Distributor's Office.
Roof Pitch
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DUROSPAN™ |
Recommended Minimum Roof Pitch |
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Sheet
length without end-lap |
3
degree |
( 1 in
20) approx |
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Sheet
length with end-lap |
5
degree |
(1 in
12) approx |
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Fastening and Supports
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