• HYDRA Roof Underlay
  • HYDRA Roof Underlay
  • HYDRA Roof Underlay
  • HYDRA Roof Underlay
  • Thumbnail Image
  • Thumbnail Image
  • Thumbnail Image
  • Thumbnail Image

HYDRA Roof underlay is a premium Tri-laminate, Synthetic, Fire Retardant, Absorbent, Breathable, Self-Supporting Roofing Underlay. Suitable for all roof types including concrete and clay tiles, pressed metal tiles and profiled metal roofing.

Features & Benefits:

  • Breathable, self-supporting, synthetic underlay
  • Fire retardant, flammability index of ≤5 as per AS1530
  • UV Exposure 14 days
  • 100% recyclable
  • Tri-laminate offers high strength & lightweight
  • GripSpot provides a slip resistant walking surface
  • HYDRA Breathable Barrier Layer prevents water but allows for transfer of moisture vapour
  • HYDRY Technology bottom layer is designed to absorb moisture in the roof space
  • Suitable on timber and steel frame
  • Suitable with pressed metal & masonry tiles
  • Suitable with profiled metal roofing
  • Suitable in all Wind Zones stated in NZS 3604 up to and Including, extra high
  • Forms part of the Marshall Weatherization System
  • BRANZ Appraised # 1071 (2019)

Available in 1250mm x 20m & 1250mm x 40m


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