Hanno BG 1 sealing tapes, quality BG 1, to DIN 18542, light grey, made of flexible polyurethane foam with arylate dispersion impregnation, self-adhesive on one side, watertight against driving rain ≥ 600 Pa (depending on compression and joint width), long-term(depending on compression and joint width), long-term weather-resistant, sound-insulating, pre-compressed, can be plastered and painted over. For the permanent sealing of all types of joints, directly weathered joints in façade and window construction, ideal for inserting into existing joints, for sealing connection joints and expansion joints between different components and for the windtight connection of foils in roof extensions.