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)