Talk to us about our Flexible Cavity Closers - perfect for cavities 19 to 21mm

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Systems

Roof Underlay and Accessories

Roof boot flashings and roof underlays - premium products, tested and approved that deflect water and air during construction, and as part of the finished roof designs moisture management system.

Premium performance

Premium performance

Masons’ roof underlays are premium performance for their weight, having the ability to transfer water vapour at higher rates than traditional bitumen impregnated kraft paper (black paper). This is helpful in the control of condensation.

Self-supporting and fire retardant

Masons VHP Maxi, Ultra and Strong are all fire retardant, performing well in rigorous testing to pass NZ/AS1530 part 2 FI

We’re proud to be a member of RANZ (Roofing Association of New Zealand).

Self-supporting and fire retardant

Self-supporting and fire retardant

Masons VHP Maxi, Ultra and Strong are all fire retardant, performing well in rigorous testing to pass NZ/AS1530 part 2 FI

We’re proud to be a member of RANZ (Roofing Association of New Zealand).

Premium performance

Masons’ roof underlays are premium performance for their weight, having the ability to transfer water vapour at higher rates than traditional bitumen impregnated kraft paper (black paper). This is helpful in the control of condensation.