Box 175

Standard Colours

For Designer, Metallic and Gloss colours, download the ColorCote® special colours brochure.

Black
Bracket Type
Internal
External
Fasteners
Bolt
Screw
Suitable for
Light Commercail
Commercial
Manufactured in
Hamilton

Box 175 Performance



Dimond Box 175 Gutter allows rainwater or snow to be drained quickly and because of its large size it is also easy to clean out. For extreme conditions where a bold look is desired.

All dimensions given are nominal.


Effective cross sectional area (with 15mm free board):
19,250mm²


Flow capacity:
363 litres/min


Minimum recommended fall:
1:500 = 2mm in 1m


Minimum downpipe

Circular - 115mm
Rectangular - min. cross sectional area of 10,600mm²

Catchment area per downpipe based on the above flow capacity is given in Table 3.1H. Use Table 3.1B (Section 3.1.4 in Technical Manual) to determine
the Rainfall Intensity to be used.

Rainfall Intentsity, I (mm/hr)
Catchment Area per downpipe Ac (m2)
40
Catchment Area per downpipe Ac (m2)
545
50
Catchment Area per downpipe Ac (m2)
435
60
Catchment Area per downpipe Ac (m2)
360
70
Catchment Area per downpipe Ac (m2)
310
80
Catchment Area per downpipe Ac (m2)
270
90
Catchment Area per downpipe Ac (m2)
240
100
Catchment Area per downpipe Ac (m2)
220
120
Catchment Area per downpipe Ac (m2)
180
140
Catchment Area per downpipe Ac (m2)
155
160
Catchment Area per downpipe Ac (m2)
135
180
Catchment Area per downpipe Ac (m2)
120
200
Catchment Area per downpipe Ac (m2)
110

Material options including thickness and grade:
Steel 0.55mm G300
Aluminium 0.90mm H34 offered in folded shape only
Stainless steel refer Customer Services

Roll-forming facility:
Hamilton
(Note: all Dimond branches can fold gutter shapes with swages patterns to be confirmed at time of order) (2)

Gutter bracket materialand thickness

Internal (1)

Galvsteel 1.55mm

External
Hot dipped galvanised 5mm x 30mm
Aluminium 7mm x 30mm
Stainless steel 5mm x 30mm

Recommended maximum spacing: Steel 900mm, Aluminium 600mm (refer section 3.1.4.7 in Technical Manual for recommended spacing where snow fall is possible).

Recommended fixings: Bolts or screw fastenings to be compatible with substrate and bracket material.


(1) Internal brackets are not recommended for use in areas that are subject to snow fall and/or wind above medium velocity (as determined by NZS 3604
(2) Internal brackets are not recommended with folded gutter without a 4mm diameter aluminium rivet fixing through the gutter and bracket, it is better to use external brackets.

Terms & Conditions

Product Brochure



Below you can download our homeowner’s brochure which includes some of our rainwater profiles and basic product information.

Download Homeowner Brochure