Descriptors | Thermoplastic polymers, Foamed plastics, Installation, Boards, Thermal insulating materials, Roofs, Roof boarding, Thermal conductivity, Flammability, Construction materials, Dimensions, Dimensional changes, Polymers, Compressive strength, Roof linings, Polyurethane, Cyanurates, Fire safety in buildings, Thermal insulation, Sheet roof coverings, Laminates |