Utherm Attic L OSB is a PIR insulation board finished on both sides with a multilayer gastight laminate facer. Attic L OSB is at one side finished with a layer of 12 mm thick OSB stranded wood board.
• Insulation material: PIR (Polyisocyanurate)
• Lambda value: 0,022 W/(m.K)
• Facing: L facer
• Characteristic: OSB stranded wood board