Stairville Alu Tape 75mm, Aluminium strip, Width: 75 mm, Length: 50 m, Pure aluminium foil, Coated on one side with a very strong, flame-retardant acrylic adhesive, Does not rust and shrink, Does not expand and is not electrostatically charged, Water-proof, vapour-proof, diffusion-proof and abrasion-resistant, Specification corresponds to DIN 4102 class B1