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Box 125 Performance
The traditional box shape has been specifically designed for heavy rainfall intensity, where fewer downpipes are desired. Offering a striking look to more traditional homes, it looks equally at home on a modern contemporary house.
All dimensions given are nominal.
Effective cross sectional area: 7500mm²(with 15mm free board)
Flow capacity: 112 litres/min
Minimum recommended fall: 1:500 = 2mm in 1m
Circular - 70mm
Rectangular - min. cross sectional area of 4125mm², smallest dimension at least 50mm.
Catchment area per downpipe based on the above flow capacity is given in Table 3.1G. 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
Aluminium - 0.90mm, H34
Copper - 0.55mm, 1/2 hard
Stainless Steel - call Customer Services
Roll-forming facility: Auckland, Christchurch
(Note: all Dimond branches can fold gutter shapes with swages patterns to be confirmed at time of order) (1)
Gutter bracket material and thickness:
Hot dipped galvanised, 3mm x 32mm
Aluminium, 5mm x 30mm
Brass, 3mm x 30mm
Stainless steel, 3mm x 30mm
Recommended maximum spacings: 900mm spacing (refer section 18.104.22.168 of Technical Manual for recommended spacings where snow fall is possible).
Bracket Centres: Aluminium 450mm Internal - 600mm External
Recommended fixings: Screw fastenings to suit substrate.
(1) Internal brackets are not recommended with folded gutter without a 4mm diameter aluminium rivet fixing through the
gutter and bracket.
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