Sarnafil® TS 77-18

Polymeric membrane for mechanically fastened roof waterproofing

Sarnafil® TS 77-18 (thickness 1.8 mm) is a polyester reinforced, multi-layer, synthetic roof waterproofing sheet based on premium-quality flexible polyolefins (FPO) containing ultraviolet light stabilizers, flame retardant and an inlay of glass non-woven according to EN 13956. Sarnafil® TS 77-18 is a hot air weldable roof membrane formulated for direct exposure and designed to use in all global climatic conditions. Sarnafil® TS 77-18 is produced with an inlay of glass non-woven for dimensional stability and a polyester reinforcement for high strength. Sarnafil® TS 77-18 is provided for mechanically fastened roofing systems. Sarnafil® TS 77-18 has no built-in stress at the time of production and has a fully encapsulated carrier. The dimensional stability of Sarnafil® TS 77-18 is best in class.

  • Proven performance over decades.
  • Various colours available.
  • High reflectance properties for cool roofing characteristics (relevant only for colour RAL 9016 SR).
  • Resistant to permanent UV irradiation.
  • High dimensional stability due to glass fleece inlay.
  • Resistant to permanent wind exposure.
  • Resistant against impact load and hail.
  • Resistant to all common environmental influences.
  • Resistant to micro-organisms.
  • Resistant to root penetration.
  • Compatible to old bitumen.
  • Hot air welding without use of open flames.
  • Recyclable.