85 series aluminium thermal break double hung window

1.High strength 85mm aluminium frame; Vertical sliding minimizes space required inside the room.
2.Thermal break profile with injected silicone provides energy efficiency.
3.Free-staying positions ensures fully adjustable venting area as required.
4.Can be tilted towards the inside of the room, convenient for cleaning.
5.Outside fly screen is available to prevent insects. 
6.Glazing options: vacuum glazing (VG) VG + double glazing (DG) LOW-E DG.. Optional decorative glazing using tinted, sand-blasted, tempered, laminated glass or glass with built-in decorative strips.
7.Glazing thickness: 6mm-24mm.

8.Suitable for various buildings, perfect for bathroom and kitchen area