The volunteer group started recycling the bricks from the former Harbour Board building in 2018.

A community effort to recycle material from Whangārei’s old Harbour Board building has come to a close and after two and a half years of chipping, project leader Andrew Garratt is counting nearly 40,000 bricks to be used in the new Hundertwasser Arts Centre.

Source: 40,000 bricks for Whangārei’s Hundertwasser – NZ Herald