Quad SI
For Designer, Metallic and Gloss colours, download the ColorCote® special colours brochure.
Light Commercial
Commercial
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 10mm free board): 5485mm²
Flow capacity: 75 litres/min
Minimum recommended fall: 1:500 = 2mm in 1m
Minimum downpipe
Circular - 60mm
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.
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: Zinc cast stop ends are available powder coated to match fascia colour.