Chesterfelt Deflector, Charcoal Mineral

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.

Independently tested and certified by both the BBA and NHBC, Proctor Roofshield is proven to outperform all other breather membranes where it matters most. With high vapour breathability and air permeability, Roofshield protects your roof cavity from damp and timber rot without the need of installing costly and unsightly roof ventilation.