Continuous Group rainwater systems are intended to collect and channel water that runs off a roof.  It is intended that teh metal/copper spouting be placed at the perimeter of the building (positioned outside the building envelope).

• Available throughout New Zealand
• Maximum cross section area 21,875mm²
• Effective cross section with 10mm freeboard 20,125mm²
• Flow capacity 363 Litres/minute
• Minimum downppe cross section7,850mm²

• Test information available from Colorcote, New Zealand Steel and Ambro Metals, combined with past history of rainwater products indicate, that provided the product use and maintenance is in line with the guidelines contained in the current literature, Continuous Group rainwater systems can be expected to meet the performance criteria in clause E2 of the New Zealand building code.
• All copper and aluminium products listed above are fit for purpose in exposure zones B, C , D and E*
• Pre-painted steel products are fit for purpose in exposure zones B and C* . They may be used in exposure zone D & E subject to a pre-approval warranty application based on site address*
• *In all cases, areas with high wind &/or salt &/or thermal/industrial atmospheric conditions may require specific engineering design (S.E.D) Reference: Section 4, “Durability” from NZS3604:2011.