TP450 is a soft and flexible open cell polyurethane foam, impregnated with an acrylic based, UV stabilised resin with large joint size tolerance for large movement applications. The resin is water repellent and contains a fire retardant. TP450 has a self-adhesive side to aid initial location and is easy to apply in any weather. Additionally, TP450 has both thermal and acoustic insulation properties.

Usage/purpose

TP450 provides a weather tight seal against the most severe combinations of wind and rain, with particular suitability for sealing the head and sills of windows installed in timber frame construction and can accommodate up to 37 mm of differential movement within a max. 50 mm wide joint. Extensively tested with BBA accreditation, TP450 has a proven reputation across both the UK and Europe.

Product Benefits

• Minimum 450 Pa weather resistance, 600 Pa with the three smaller sizes, to DIN EN 1027
• Accommodates up to 37 mm of joint movement within a maximum 50 mm wide gap
• Weather seal for wind-driven rain but breathable for vapour diffusion
• Can accommodate differential movement on timber frame construction up to 5 storeys
• Seals effectively – no remedial visits or wet sealants
• Continually expands and contracts to accommodate movement whilst still
  sealing the joints
• Long life expectancy
  
  

Data Sheets

Technical Data Sheet
Safety Data Sheets
Test / Certification Document
Application Instructions



The above information is based on current test data, health and safety information and application instructions supplied by our suppliers and manufacturers of the products. It is supplied for guidance and to the best of our knowledge is true and accurate. Customers should satisfy themselves to the suitability of the products in its intended use and no guarantee is given or implied as the conditions of actual use are beyond our control. If in doubt the customer should consult the designer of the project or the local building control. 

Fire Stopping Shop, disclaim any liability for loss, damage or other expense which may arise from the use of this information, data or products refereed to and reserve the right to amend or change any details without notice. This statement does not affect your statuary rights.