Quad SI
The Quad SI gutter has been specifically designed, made and tested for the South Island environment. Use with the Ext Fascia 185mm to create a 10mm gap between gutter & fascia to deal easily with overflow and comply with AS/NZ 3500.3.2:1998.
- Product Details
- Bracket TypeInternal
- FastenersScrew
- Suitable ForResidential
Light Commercial
Commercial - Manufactured InChristchurch
Overview
Quad SI Performance
The Quad SI gutter has been specifically designed, made and tested for the South Island environment. Use with the Ext Fascia 185mm to create a 10mm gap between gutter & fascia to deal easily with overflow and comply with AS/NZ 3500.3.2:1998.
All dimensions given are nominal.
Effective cross-sectional area (with 15mm free board): 4840mm²
Flow capacity: 65 litres/min
Minimum recommended fall: 1:500 = 2mm in 1m
Minimum downpipe
Circular - 80mm
Rectangular - min. cross sectional area of 2742mm², smallest dimension at least 50mm.
Catchment area per downpipe based on the above flow capacity is given in Table 3.1L. Use Table 3.1B (Section 3.1.4 of Technical Manual) to determine
the Rainfall Intensity to be used.
Rainfall Intensity, I (mm/hr)
Catchment Area per downpipe Ac (m2)
50
Catchment Area per downpipe Ac (m2)
78
60
Catchment Area per downpipe Ac (m2)
65
70
Catchment Area per downpipe Ac (m2)
56
80
Catchment Area per downpipe Ac (m2)
49
90
Catchment Area per downpipe Ac (m2)
43
100
Catchment Area per downpipe Ac (m2)
39
120
Catchment Area per downpipe Ac (m2)
32
140
Catchment Area per downpipe Ac (m2)
28
160
Catchment Area per downpipe Ac (m2)
24
180
Catchment Area per downpipe Ac (m2)
22
200
Catchment Area per downpipe Ac (m2)
19
Material options including thickness and grade:
Steel 0.55mm G300
Roll-forming facility: Christchurch
Gutter bracket material and thickness:
Internal
Galvanised 1.15mm
Recommended maximum spacing: 900mm spacing (refer section 3.1.4.7 of Technical Manual for recommended spacing where snowfall is possible).
Recommended fixings: Screw fastenings to be compatible with substrate and bracket material.
Stop ends: Pre-Painted stop ends are available
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