Drainage Metal 20/40

This product is a scoria substitute in certain parts of the country. It is a clean metal commonly used around drain coil and behind retaining walls. The aggregate range is from 20m m - 40mm.On Waiheke Island the Drainage Metal grades available are 7/14mm, 20/40mm and 40/60mm . Available at these locations: Avondale Eastern Bays Hamilton Eastside Hamilton West Silverdale Swanson Warkworth Show more