• Effective cross sectional area (with 10mm free board): 14,200mm²
• Flow capacity: 248 litres/min
• Minimum recommended fall: 1:500 = 2mm in 1m
• Minimum downpipe: Circular — 150mm
• Catchment area per downpipe based on the above flow capacity is given in Table 3.1M. Use Table 3.1B (Section 3.1.4 of Technical Manual) to determine the Rainfall Intensity to be used.

• Manufactured in Invercargill only
• Available in lengths up to 4.2m long
• Not recommended for use on lower pitched roofs
• Not recommended for use in snow areas
• Custom external brackets

Dimond is New Zealand's largest manufacturer of steel roofing, cladding, structural and rainwater goods.