Hybris is a reflective insulation product for timber frame or masonry walls, pitched roofs or ceiling applications. Based on a honeycomb structure made of shaped polyethylene foams glued to aluminium coated polyethylene foils. The High thermal performance of Hybris is provided by a special structure composed of a large number of low emissivity cavities, protected from dust and excessive air movement. Moreover, the low emissivity external films provide additional thermal resistance, when associated with air cavities.