OS-RFT-057
Heat-reflective roof underlay
550μm
OS-RFT-057 is a heat-reflective roof underlay with a thickness of 550μm. The surface shows a reflective silver sheet presented between dark rolled edges, distinguishing this concealed roofing component from the decorative roof covering. It is intended beneath roof tiles as part of the roof assembly. Laps, sealing and ventilation belong in the installation design.
