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Fletcher Building has trade marked four colours of plasterboard in New Zealand with another colour pending, meaning it has the exclusive rights to make and sell the product blue, mauve, pink and green - something with has enraged builders affected by a supply shortage.
MBIE general manager of building system performance John Sneyd says the ministry has notified councils of five alternative plasterboard products that can be substituted for Gib.
He spoke to Corin Dann.