Vapour Permeable roof underlay

Universal Vapour Permeable underlay is a 160g/m² membrane which comes packed full of features and benefits designed to promote consistent installation to the British Standard:

Advantages
Integrated tape system for sealing underlay laps
  • Provides a vapour permeable underlay system with superb wind-uplift resistance 
  • BS 5534: Zones 1-5 fully compliant - unrestricted usage
  • No need to increase laps to coincide with tile batten courses, minimising cost 
  • No need to use an additional ‘fly’ batten to secure laps
Printed guidance lines
  • Provides a visual reference to ensure sufficient lap to the British Standard 
  • Ensures that the underlay is laid consistently and straight

Universal Vapour Permeable underlay integrates seamlessly as part of a comprehensive Marley Eternit roof system, or with other manufacturers’ tiles and slates.

Marley Eternit Universal Vapour Permeable underlay is a high performance, breathable roof membrane for use in a range of pitched roof constructions.

Complete with an integrated tape system, this underlay provides and effective wind barrier with unrestricted usage across all UK wind zones (BS 5534)

Manufactured using a multi-layer bonding process of polypropylene laminates, the underlay is an ultra strong, durable and easy-to-install under-tile layer that is suitable for warm or cold roof applications.

Have a question about our range of underlays? Fill in the form below and we'll get back to you.

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Here at Marley Eternit, we are always on hand to offer practical and experienced support. Select an option below or call us on 01283 722588.