The Reflex Reflective Roof and Wall Breather Membrane is a high-quality construction material designed to provide superior insulation and breathability for your building projects. Measuring 1.5m x 50m, this 75m2 roll has exceptional reflective properties that can significantly improve the thermal performance of walls and roofs. This breather membrane is lightweight, easy to install, and has a low emissivity surface which reflects radiant heat back into the building, thereby reducing energy costs.