TP300

Joint Backer Plus

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TP300 is an open cell polyurethane foam tape, impregnated with a bitumen free acrylic resin, with the main functions of a weather and acoustic seal and backing for sealant joints where the tape will act as a secondary seal.

Usage/purpose

TP300 is designed as a special joint backing foam, providing a secondary weather seal in a weatherproof joint. It is suitable for use in various joint types (e.g. masonry and light and heavy-weight prefabricated components). TP300 is also available in other dimensions to enhance the acoustic performance of curtain wall fabrications. For these applications please check the specific requirements with your systems supplier.

Safety data sheet must be read and understood before use.

  • Weathertight to 300 Pa
  • Self-adhesive to one face
  • Vapour permeable
  • Provides thermal and acoustic insulation
  • Solvent free
TP300 Safety Data Sheet (en-GB) (1).pdf Safety Data Sheets
TP300 Technical Data Sheet (en-GB).pdf Product Data Sheets