TP650

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TP650 is an impregnated, pre-compressed multi-functional sealing tape. It is comprised of open-cell polyurethane soft foam, impregnated with flame-retardant synthetic resin. The different vapour diffusion properties are achieved through a unique, one-sided patented side impregnation. The impregnation also protects the tape against mould and fungi. TP650 utilises the property of water-vapour permeable sealing, making it less permeable inside than outside (inside tighter than outside principle).

Usage/purpose

TP650 is used for sealing the perimeter joints of windows and doors against driving rain and provides airtightness and thermal insulation, thereby maintaining the energy performance of the window/door. Easy application with single product, complying with BS8213-4:2016 Code of Practice & GGF Guide to Good Practice – Installation of replacement windows and doors.

The sealing tape must be butt-jointed in corners (Fig. 3). Allow an extra 20 mm/m to allow for potential shrinkage. When applying TP650 in conjunction with sealing materials, paints, and natural stone, ask for compatibility information. The tape must not come into contact with chemicals containing solvents or corrosive substances. High temperatures accelerate tape expansion, while low temperatures delay this. At ambient temperatures above 20°C, the tape should be stored in a cool place on the construction site away from direct sunlight. A small fridge is ideal for this. Put weight on the remaining rolls in the carton to prevent them from expanding laterally (telescoping).

Safety data sheet must be read and understood before use.

  • Suitable for new-build and replacement installations
  • Maintains the energy performance of the window /door
  • Driving rain resistant to 600 Pa, also providing thermal and acoustic insulation and airtightness in one product
  • Quick and easy application
  • Complies with BS8213-4:2016 CoP for survey and installation of windows and external doorsets
  • Complies with GGF Guide to Good Practice – installation of replacement windows and doors
  • Vapour permeable
TP650 Safety Data Sheet (en-GB).pdf Safety Data Sheets
TP650 Technical Data Sheet (en-GB).pdf Product Data Sheets