HSI

Sealing and insulating materials in the nature of non-metal sealing conduit and spacer blocks for sealing through holes in walls and floors and that also enclose cables and pipes; sealing and insulating materials in the nature of sealing wall and floor ducts for leading through electricity lines, gas lines, water lines, heating lines, telecommunication lines, signal lines and data lines; sealing and insulating materials in the nature of sealing wall ducts for [ ship walls ] and housing walls; sealing and insulating materials in the nature of sealing wall and floor ducts for setting in concrete in walls and floors of buildings

Non-metal building materials, namely, cable entries, [ waste water entries, single building entries, multiple-service building entries, roof entries, ] all of the foregoing being in the nature of non-metal ducts; building materials primarily of plastics, namely, wall and floor ducts; attachments for non-metal wall and floor ducts, namely, non-metal covers for wall and floor ducts through which lines can be led, and blind non-metal covers for wall and floor ducts, namely, closing covers for closing the duct prior to leading through a line, the covers being provided for an insertion into or a connection to the wall and floor ducts