Roofing underlay and moisture
A recently completed major BRANZ research project has improved understanding of how roofing underlays handle moisture in roofs and led to the development of a new test suitable for a wider range of roofing underlays.
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A recently completed major BRANZ research project has improved understanding of how roofing underlays handle moisture in roofs and led to the development of a new test suitable for a wider range of roofing underlays.