E: info@deltapanels.com 
W: www.deltapanels.com   
Head Office: 731 Boundary Road, Richlands, Qld 4077 |  +61 7 3271 2170
Sydney Depot: 11 The Old Northern Road, Narellan, NSW 2567  |  +61 2 4611 7712
17
Delta Panels Pty Ltd
ABN: 11 147 861 292
DELTA PATIO & ROOFING RANGE
Limits For Using Type 1P Awning Classification
Following are the dimensional requirements for using Type 1P 
awning classification, which has 1 partial wall.
•	
For awning dimensions, refer to figure 1.
•	
Awning is to be attached one side only to an existing 
building.
•	
Awning pitch “α” is to be between 1˚ and 10˚.
•	
Slope of the awning is to be normal to the attached wall.
•	
Minimum hc = 0.05 x d
•	
Maximum hc = 1.0 x d
•	
Maximum hc/wc to be as per Table 1.
•	
Maximum blockage under the roof parallel to the 
attached wall is to be 56% of the projected area.
•	
Awnings attached one side that do not comply with the 
above are to be classified as Type 1.
Allowable Span (mm) for Delta Beams - Roof panel span of 6.5m with 1m overhang
Wind Class
N2
N3
N4
N5
100x1.0 Beam
3620
2820
2970
2300
150x1.2 Beam
4770
3640
3850
2920
200x1.2 Beam
5500
4110
4370
3220
250x1.6 Beam
7960
6500
6780
5270
300x1.6 Beam
8630
7000
7380
5490
Allowable Span (mm) for 0.48 BMT Delta Single in non-cyclonic regions
Wind Class
Single-Span
Multi-Span
Cp,n
Cp,n
0.5
0.7
1
1.2
0.5
0.7
1
1.2
Patio Type
1P
1
2+4
3
1P
1
2+4
3
N1
5340
5130
4550
4280
6330
5820
4820
4370
N2
5240
4910
4060
3650
5850
4900
4050
3650
N3
4630
3850
3130
2820
4620
3850
3130
2820
N4
3720
3060
2500
2250
3710
3060
2490
2250
N5
2970
2460
2010
1830
2970
2450
2010
1830
DeltaSingleTM
1.	
Minimum roofing slope to be 1˚. 
2.	
The minimum fixing requirements are 3/14g screws per 
sheet per support. 
3.	
Allowable deflection limit for wind loading is span / 50. 
4.	
Maintenance load of 0.5kN has been allowed for. 
5.	
DeltaSingleTM is classified as a non-trafficable roof. 
6.	
Maximum allowable overhang of sheeting is 30% of the 
adjacent span or 900mm, whichever is lesser. 
7.	
‘Roof Span’ is the maximum spacing of supports for 
sheeting.
8.	
Design wind class is to be determined in accordance 
with AS 4055:2021, Wind Loads for Housing.
9.	
The structural adequacy to any existing structure to 
which the sheeting and/or beam is to attached, must 
be checked by an Engineer.
10.	 Any side of new roofing with more than 50% clear area 
of ground to sheeting blocked, is considered to be an 
enclosed wall.

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