45m2 (nom. area)

White (upper and under)

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Technical Datasheet

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Marley Undertile Membrane

An affordable roofing underlay that performs and important function in preventing excessive pressure build-up inside the roof during wind gusting. In addition, it provides a safeguard against possible rainwater and dust penetration.

Available in all regions



  • Agrement South Africa: 2014/469 Certification.
  • Occupancy Classification - SANS 10400: Table 1 of regulation A20(1).
  • Adheres to SANS 10177-10 fire rating.
  • Reduced air leakage and ingress to the roof space of wind. 
  • Effective dust and moisture barrier - prevents rainwater penetration in extreme conditions.