- Frame specification:
- 70mm depth frame
- Energy efficient multi chamber system
- A rated as standard
- Outstanding WER of 1.3 U value
- Complaint with Part L building regulations
- Argon gas sealed units
- Internally beaded for maximum security
- 10 year guarantee
Please enter the frame overall size including any cill and/or frame extensions (if required). We recommend deducting 10mm from the overall size for clearance/ease of installation.
How do I measure? Firstly measure the width in millimetres and then the height using a tape measure. Enter overall height including existing sill unless it is NOT going to be replaced, I.E. A concrete sill is present All frames are viewed from the outside.