103 Trowel Mastic is a premium oil-based mastic for perimeter pointing around wood and metal window and door frames. 


  • Trowel applied
  • Forms a weather-tight seal
  • Easier to apply than most competitive mastics
  • Suitable for re-pointing brickwork 
  • Suitable for bedding windows or door frames into their surrounds
  • Extended shelf life
  • Added plasticiser improves adhesion and helps prevent cracking
  • 3kg & 6kg tubs available.

103 Trowel Mastic