blend
fade
group
/

150 Half Round

Standard Colours

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

Black
Bracket type
External
Fasteners
Screw
Suitable for
Residential
Light Commercial
Manufactured in
Rotorua
Christchurch
Products may not be available outside of its manufacturing location, and freight and packing charges applied may vary depending on the location of manufacture and delivery point. To confirm availability and costs please contact Dimond prior to ordering.
Overview

150 Half Round Performance



The 150 Half Round is an excellent finishing touch for any home. Manufactured in Rotorua for the North Island and Christchurch for the South Island, the 150 Half Round is perfect for the classic kiwi home through to a unique architectural design.

All dimensions given are nominal.

Effective cross-sectional area (with 10mm freeboard): 6600mm²

Flow capacity: 95 litres/min

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

Minimum downpipe

Circular - 80mm

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

Rainfall Intensity, I (mm/hr)
Catchment Area per downpipe Ac (m2)
40
Catchment Area per downpipe Ac (m2)
142
50
Catchment Area per downpipe Ac (m2)
114
60
Catchment Area per downpipe Ac (m2)
95
70
Catchment Area per downpipe Ac (m2)
81
80
Catchment Area per downpipe Ac (m2)
71
90
Catchment Area per downpipe Ac (m2)
63
100
Catchment Area per downpipe Ac (m2)
57
120
Catchment Area per downpipe Ac (m2)
47
140
Catchment Area per downpipe Ac (m2)
40
160
Catchment Area per downpipe Ac (m2)
36
180
Catchment Area per downpipe Ac (m2)
32
200
Catchment Area per downpipe Ac (m2)
28

Material options including thickness and grade:
Steel 0.55mm G300

Roll-forming facility:
Rotorua & Christchurch

Gutter bracket material and thickness:


External

Aluminium 4mm x 30mm

Recommended maximum spacing: 900mm spacing (refer section 3.1.4.7 of Technical Manual for recommended spacing where snowfall is possible). Snow straps available.

Recommended fixings: Screw fastenings to be compatible with substrate and bracket material avoiding dissimilar metal contact.

Terms & Conditions
Technical Manual
Brochure

Product Brochure



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

Learn More