Thermal insulation ENERTHERM ALU
polyisocyanurate (PIR) foamfor flat roofsrigid panel

thermal insulation
thermal insulation
thermal insulation
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polyisocyanurate (PIR) foam
for flat roofs
rigid panel
Fire resistance
Class E
without vapor barrier
Thermal conductivity

0.022 W/(m.K)

Thermal resistance

Max.: 9.05 m²K/W

Min.: 1.35 m²K/W


Max.: 200 mm (7.87 in)

Min.: 30 mm (1.18 in)


IKO enertherm ALU is a 100 % CFC, HCFC or HFC-free insulation board with a rigid polyisocyanurate foam core, clad on both sides with a multi-layer gastight aluminium complex. This high-quality reflecting ALU cladding consists of no fewer than seven layers, combined into a single complex. It is tested under extreme conditions in respect of water absorption, mechanical properties, corrosion resistance and emissivity. RANGE OF APPLICATIONS: Rooftop: flat roof insulation for timber, concrete and steel deck. TECHNICAL DETAILS Bulk density: ± 32 kg/m³ Compressive strength at 10% deformation: 175kPa (17.5ton/m²) Behaviour under uniformly distributed loading: Class C (≤ 5% deformation at 80°C and 40kPa loading) Closed cells: more than 95% Water vapour diffusion: PIR foam: μ = 60 – ALU facing μ > 100,000 Moisture insensitivity class 1 : (<1%)


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.