Insulation products and materials being insulation products and materials used in building and packaging applications, including fibre-free, radiant barrier and vapour barrier thermo-reflective insulation products; thermo-reflective insulation sheets; reflective aluminium foil insulation; composite insulation sheeting comprising a core and a skin of different materials; insulation comprising closed-cell foam and a layer of reflective foil; jointing tape, including foil laminate jointing tape