Door Designer

CE Marking

Last Updated: 22 September 2020

We are proud that our GRP composite doors meet or exceed regulatory requirements.

  • Weather performance proven to BS 6375-1 for weather tightness, air, wind and water
  • Meets Outdoor-Indoor Transmission Class (OITC): 26db
  • Meets Sound Transmission Class (STC) 29db
  • Achieves Global Warming Potential (GWP) score of less than 5
  • Achieves Ozone Depletion Potential (ODP) score of zero
  • Meets UK Building Regulations minimum U value requirements of 1.6 W/Mtr2/K


You can also download our certificates of declarations of performance.


Please click here to access the Buildcheck U-Value Calculation tool.

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