Dagard PIR-core insulated sandwich panel (λ 0.023 W/m.K), 40 to 220 mm thick, for the walls and ceilings of the cold room, laboratory or on-farm processing workshop. Steel-to-steel tongue-and-groove joint, coated steel or stainless steel facings, B-s1,d0 fire reaction, CE marking to NF EN 14509, CSTB technical approval and FM Approval: a proven solution to build or renovate a temperature-controlled room on the farm.