Highly Breathable Roofing Underlay - Roof Underlay NZ | ArchiPro

Highly Breathable Roofing Underlay

Masons Highly Breathable Roofing Underlay are premium performance, fire retardant, self supporting and highly breathable. They are available as VHP Strong (140gsm), VHP Ultra (180gsm) and VHP Maxi (220gsm).

Manufactured from synthetic multi-laminate spun-bonded, non-woven polypropylene membranes Masons Roofing Underlay has the following benefits: 

  • Premium performance and fire retardant
  • Assist in moisture control - deflects water and air both during construction and as part of the finished roof
  • Affordable
  • Self-supporting and very strong
  • Highly breathable - transforms water vapour at higher rates than bitumen impregnated paper
  • Temporary weather protection - UV resistance for 21 days
  • Codemark Certified
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