IDELCO-SARKING Combining excellent thermal performance, lightness and high resistance to compression, IDELCO-SARKING insulation boards are intended for inclined roofs. Our high quality PIR foam boards are coated on both sides with a multi-layer aluminium facing. THICK NESSES Inclined roof Multi-layer aluminium facing INTERLO CKING SYSTEM Tongue-and-grooved edges on all 4 sides Thermal resistance (m².K/W) TECHNICAL PROPERTIES Thermal conductivity : (λ ) Compressive strength at 10% deformation Foam density Water vapor diffusion resistance of the PIR foam : µ(d) Reaction to fire class (according to EN 13501-1)