PIR manufacturer Recticel Insulation has launched a self-supporting, room-in-aroof system for pitched roofs.L-Ments comprises cable gap, breather membrane, counter battens and integral structural timber in one PIR insulation panel as a single lightweight modular roofjng element, making it “exceptionally quick and easy” to install. Recticel Insulation explains that the underlay felt of the system is pre-glued and vapour permeable with …