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Dimond Box 175 Gutter

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.

Scope of Use
  • Effective cross sectional area (with 15mm free board): 19,250mm²
  • Flow capacity: 363 litres/min
  • Minimum recommended fall: 1:500
  • Minimum downpipe size: 
    • Circular: 115mm
    • Rectangular: min. cross sectional area of 10,600mm²

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

Table 3.1.H

Rainfall Intensity, 1 (mm/hr) 40 50 60 70 80 90 100 120 140 160 180 200
Catchment Area per downpipe Aₑ(m²) 545 435 360 310 270 240 220 180 155 135 120 110

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Additional Information

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

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