TECHNOELAST K-YS 5500 bitumen membrane is intended to be used as a top layer for roofs and waterproofing of other structural constructions. Suitable for new roofs and roof renovation. Thickness 4.3 mm (± 0.2 mm) Weight 5.5 kg/m2 (± 0.25 kg/m2) Roll width 1 m (+5 / -0 mm) Roll length 8.0 m (+40 / -0 mm) Weight of reinforcement approx. 250 g/m²