E: info@deltapanels.com      Head Office: 731 Boundary Road, Richlands, Qld 4077    +61 7 3271 2170
 W: www.deltapanels.com     Sydney Depot:  11 The Old Northern Road, Narellan, NSW 2567   +61 2 4611 7712
ABN: 11 147 861 292
Version Date: 
2025-11-25
25
STEP 3        SELECT THE STYLE OF ROOF SHEETING
Step 3.2       Insulated Spans
MULTI-SPAN NON-CYCLONIC SPAN TABLE
Wind
Category
Panel
Thickness
TYPE 1
TYPE 2
TYPE 3
TYPE 4
(3 or more  
sides open)
(2 sides open)
(1 side open)
(Fully enclosed)
N1/N2
(W28 /W33)
50mm
7500
6960
5200
6500
75mm
7500
7030
5230
6560
100mm
7500
7500
6120
7500
125mm
8250
8250
6650
8250
150mm
9000
9000
7170
9000
N3
(W41)
50mm
6520
5050
3800
4720
75mm
6580
5080
3820
4760
100mm
7500
5920
4280
5480
125mm
8250
6430
4730
5980
150mm
9000
6960
5180
6480
N4
(W50)
50mm
4900
3820
2900
3580
75mm
4950
3850
2910
3600
100mm
5730
4310
3130
4000
125mm
6250
4760
3520
4430
150mm
6760
5210
3910
4870
N5
(W60)
50mm
3750
2930
2220
2750
75mm
3770
2950
2230
2760
100mm
4210
3170
2320
2950
125mm
4660
3560
2650
3320
150mm
5110
3960
2970
3700
Maximum Overhang (each end)
25% of the back span (i.e. the distance between the last two fixing points)
Maximun Span in a Bushfire Zone
1500mm based on the CSIRO Test FSZ2411 & CSIRO FCO-3545 Report
-TPC
-TPC

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