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Dimond Classic 125 Gutter

This classic design offers traditional style with clean smart lines. Fitting with an older style of home the Classic 125 is ideal for replacement of existing spouting or for anyone looking for that traditional look.

Scope of Use
  • Available all of New Zealand
  • Effective cross sectional area (with 15mm free board): 5,200mm²
  • Flow capacity: 71 litres/min
  • Minimum recommended fall: 1:500 = (2mm in 1m)
  • Minimum downpipe size:
    • Circular: 63mm
    • Rectangular: 3250mm²

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

Table 3.1.E

Rainfall Intensity, 1 (mm/hr) 40 50 60 70 80 90 100 120 140 160 180 200
Catchment Area per downpipe Aₑ(m2) 106 85 71 61 53 47 42 35 30 26 23 21

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Dimond Roofing are a manufacturer of steel roofing, cladding and rainwater products.

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