Smarts Alitherm 300 window is and A rated domestic / commercial trade window.

It offers competitive pricing, espag locking, slimline profiles and chamfured profiles.

The system is designed to far exceed the current building regulations giving it an A+3 WER energy rating.

Alitherm 300 has been successfully weather performance tested to BS 6375 Part 1, and achieved the following classification in:

Air Class 4 600pa

Water  Class E 1200pa

Wind Class E 2400pa

The system offers 70mm profiles which are more than sufficent to cover plaster and brick cavities.

 Handles come in either white, chrome, satin anodised, black or brass.