UKCA Marking
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 1.4 W/Mtr2/K
View declarations of performance
Please click here to access the Buildcheck U-Value Calculation tool.