After months of research and development of our new product, SRJ are happy to be supplying and installing to our customers “A” rated casement windows as standard. This is the most technically advanced and energy efficient rating that can be achieved on any window. You can see our certificate on the BFRC web site.
- Up to 94% lower heat loss than standard double glazing
- Reducing heat loss from your home by up to 30%
- Save money on your heating bills
- Reduce harmful greenhouse gas emissions