17 Bitumentape with Flexible Aluminum Foil; Mastics and Sealing Strips Based on Butylrubber, Bitumen, Polybutylene, Synthetic Rubber, Polyacrylate-Emulsion, Acrylate-Methacrylate Copolymer, Polysulphide Rubber, Silicones; Polyurethane-Construction Foam, and Wall Plugs of Elastic or Plastic Materials