a seal for pipes (1) in betonwänden and / or floor tiles as inventive solution characterizedthe tube (1) of a collar (2), in the middle of a concrete wall or a concrete floor slab lying from a full level of the surrounding concrete (4) hinterlaufsicher liner pipecoat (3) surrounding it. the rohrmantel consists of an officially examined and approved, erdberührten standard bauwerksabdichtung with hinterlaufsicheren, pressurized water and radondichten properties.
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