One of the latest additions to the Alitherm window and door suites, Alitherm 500 offers a range of high-quality flush casement windows. Options include top and side hung windows suitable for both residential and light commercial applications.
WER Rating B
BRE Green Guide A+
U Values as low as 1.4 W/m²K
Kitemarked – which includes PAS24:2012 security and high weather performance.