1) Material: Top grade aluminum sections in 6063-T5, cladding with solid wood. The aluminium could be thermal-break and non-thermal-break.
2) Surface treatment: anodising, electrophoresis, powder coating, PVDF in any color.
3) Wall thickness: 1.4mm for windows,2.0mm for doors.
4) Glass: 5mm+12A+5mm, with Argon. Reflective or Low-E are available for choice.
5) Hardwar: high quality made in Germany.
We  provide aluminum wood composite windows&doors  according to customer's design