We are becoming CPG Europe.
Explore our brands
Back to product listing

Join Backer Plus

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.


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.

  • Weathertight to 300 Pa
  • Self-adhesive to one face
  • Vapour permeable
  • Provides thermal and acoustic insulation
  • Solvent free
  • Non-toxic

Technical data

DensityNF EN ISO 84555±5 kg/m³
Elongation at BreakDIN 53571115%
Resistance to TractionDIN 53571 110 KPa
Weather TightnessEN 1027300 Pa
Air PermeabilityNF P 85-570Class 2
Thermal ConductivityDIN EN 12667  ʎ = 0.048 W/m.K
Water Vapour Permeability (sd value)< 0.5 m
Acoustic Performance56 dB
Service Temperature-30°C to +90°C
Minimum Application Temperature0°C
StorageStore in shaded dry conditions with rolls laid flat
Shelf Life12 months when stored as recommended in original unopened packaging.

    Product Finder

    Application Area
    Product Group