Masons Plastabrick's building wrap product was not standard compliant.
Masons Barricade wrap was found to be unsuitable as an air barrier.
Two companies have been stung with fines totalling $450,000 for making false claims about the air resistance of a building wrap product.
Building products company Masons Plastabrick and building products certification company CertMark International were fined $240,000 and $210,000 respectively over
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