The Cromar Protect1F Non Breathable Membrane Underlay is a roofing underlay suitable for various roofing projects. It's a non-vapour permeable membrane, anthracite (upper) and white (lower) in colour, and comes in a single roll covering 45 square metres.

Product Features:

• Material: Non-Vapour Permeable Membrane
• Colour: Anthracite (Upper); White (Lower)
• Coverage: 45 m2
• Dimensions: 45000mm x 1000mm x 0.5mm

This Cromar Protect1F underlay provides a reliable and durable solution for your roofing needs.