Vapour permeable roof underlay
- Product description
- Integrated tape system for sealing underlay laps
Provides a vapour-permeable underlay system with superb wind-uplift resistance
Unrestricted usage Zones 1-5, and fully compliant with BS 5534.
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
Marley 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.