The pre-insulated pipe incorporates a fire -ressistant insulation that is manufactured according to EN 14313. The insulation foam has a fire class rating of BL-S2-D0 as per BS EN13501-1. The combined assembly of the pipe,insulation and PE-LD foil achieves a fire class rating of E according to BS EN3501-1. Benefits: Fast Installation Meets the fire requirements for most building types. Maintains the effectiveness of the insulation Reduced costs with no further insulation or labour required. Perfect for joint-free plumbing applications Performance Insulation : 7mm round extruded pipe insulation made of polyethylene foam with closed-cell material structure Thermal conductivity(insulation) : λ=0, 040 W/m*k