This Picture shows a current installation only a few miles from CS Glaziers. The outside colour is RAL 7016 and inside is timber. The Internorm system used is Home Pure timber aluminium HF210. The windows are triple glazed, 48mm thick and have a U value 80w (m²k)
The entrance door is Timber/Aluminium HT400 with special glass 64mm thick and value of 0.60w/m²k.