Precast Concrete Panel Thermal Reflective InsulationSuitable Reflective and Vapour Permeable Wall Wraps for use behind Precast Concrete Panel. Ametalin ThermalBreak 7™ Ametalin ThermalLiner™ Reflective Wall Wraps & Sarking MembranesSuitable Wall Wraps & Sarking Membranes for use behind Precast Concrete Panel. Ametalin CeaseFire® FireSark® VapourTech® Wall SilverWrap™ xRS Micro-perforated VapourTech® Brane® VHP