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. High thermal performance 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. Properties Length: 1.145m. Width: 1.2m. Thickness: 90mm. Panel size: 1.374m2. Pack quantity: 4x panels. Pack coverage: 5.49m2. Weight: 16kg/m3. Thermal conductivity: 0.033 W/mK. Vapour resistance: 1100 MNs/g. Fire resistance: class F. Air permeability: airtight. For timber frame or masonry walls, pitched roof and ceiling applications.