SR472 Performance of magnesium oxide (MgO) boards in New Zealand (2022)

MgO boards are used as an alternative to traditional sheet materials such as those made with fibre-cement and gypsum. In New Zealand, there are examples of MgO boards used in both interior and exterior applications, including as sheathing, internal linings, rigid wall underlays and cladding, and as components of prefabricated building systems such as structural insulated panels (SIPs).

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