Bendable and dimensionally stable five-layer aluminium pipe according to EN ISO 21003 for potable water and heating installation, pre-insulated with 6 mm PE insulation (λR = 0.04 W/mK) and tear-proof PE foil (colour: red). Can be used in accordance with DIN 1988-200 (table 8, no. 4/5 and table 9, no. 6). Normal flammability according to EN 13501 class E; 100 % HCFC and HFC free.