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
41
-EPS-FR
-EPS-FR
-TPC
-TPC
STEP 3        SELECT THE STYLE OF ROOF SHEETING
Step 3.2       Insulated Spans
CYCLONIC SPAN TABLE
Wind
Category
Panel
Thickness
TYPE 1
TYPE 2
TYPE 3
TYPE 4
Maximum
Overhang
(3 or more  
sides open)
(2 sides open)
(1 side open)
(Fully enclosed)
(Each end)
C1
(W41C)
75mm
4900
4100
3500
3000
900
100mm
6100
5600
5100
3900
1100
125mm
7400
6800
6200
4500
1300
150mm
8700
7900
7300
5100
1500
175mm
9600
8800
8200
5700
1600
200mm
10600
9800
9100
6200
1700
C2
C2
(W50C)
(W50C)
75mm
3300
2900
2500
2100
600
100mm
4800
4100
3500
3100
900
125mm
6200
5500
4700
3700
1200
150mm
7400
6700
6000
4200
1300
175mm
8100
7400
6900
4700
1400
200mm
9000
8300
7700
5200
1500
C3
(W60C)
75mm
2400
2100
1800
1600
400
100mm
3400
3000
2600
2200
500
125mm
4500
3900
3300
2900
700
150mm
5900
5000
4300
3200
800
175mm
6800
5700
4900
3600
900
200mm
7600
6700
5700
4100
1000
C4
(W70C)
75mm
1900
1600
1500
1300
300
100mm
2700
2300
2000
1700
400
125mm
3500
2900
2500
2100
500
150mm
4500
3800
3200
2400
600
175mm
5100
4300
3700
2900
700
200mm
5900
4900
4200
3300
770

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