Dimond Box 125 Gutter

Dimond Box 125 Gutter

Suitable for residential

Suitable for light commercial

Box 125 Gutter is manufactured in Hamilton and Christchurch.

If this product is not suitable for your project... Click here to find product options suitable for your requirements.

Dimond Box 125 Gutter Profile

Designed for heavy rainfall intensity to give maximum flow where fewer downpipes are desired. Traditional box shaped spouting/gutter.

Dimond Box 125 Gutter Profile

Dimond Box 125 Gutter Profile Dimensions

All dimensions given are nominal

Profile Properties

Effective cross sectional area (with 15mm free board)

7500mm²

Flow capacity

112 litres/min

Minimum recommended fall

1:500 (2mm in 1 m)

Minimum downpipe - Circular

70mm

Minimum downpipe - 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 the following table.

Rainfall Intensity (mm/hr) 40 50 60 70 80 90 100 120 140 160 180 200
Catchment Area per downpipe (m²) 168 134 111 96 84 75 67 56 48 42 37 33

Material options including thickness and grade

Steel

0.55mm G300

Aluminium

0.90mm H34

Copper

0.55mm 1/2 hard

Stainless Steel

Refer Dimond

Roll-forming facility

Auckland

Gutter Bracket Material Thickness
Internal Galvanised 1.15mm
External Hot dipped galvanised 3mm x 32mm
External Aluminium 5mm x 30mm
External Brass 3mm x 30mm
External Stainless steel 3mm x 30mm

Recommended bracket maximum spacings

Steel - 900mm spacing (refer to installation section for snow load bracket guide where snow fall is possible)


Aluminium - 450mm internal, 600mm external

Recommended fixings

Screw or nail fastenings to suit substrate

Requirements

Attention to the following details is required to ensure the expected system performance is achieved.

  • The selection of the type and grade of gutter and bracket material and fasteners must be based on the life expectancy required and the severity of the external and internal environments. Refer Sections 2.1.1.2, 2.1.1.3, 2.1.1.4, 2.2.3 of Roofing & Cladding Technical Manual.
  • Site storage that keeps the product dry and protected from damage.
  • Product handling that prevents surface damage.
  • Correct installation of the brackets and gutter.
  • Allowance for thermal expansion and contraction.
  • Sufficient fall to permit complete surface water drainage, allowing the gutter to completely dry out and not hold water.
  • Control of allowable contact with dissimilar materials. Refer Section 2.1.3.3 of Roofing & Cladding Technical Manual.
  • Awareness and implementation of maintenance requirements, particularly for surfaces not washed by natural rainfall. Refer Section 2.1.1.3 Roofing & Cladding Technical Manual.
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