Tilt and turn windows open inwards to allow flexible ventilation. With a tilt turn window you don't have to have the window open fully to let air into your home. Opening it slightly, tilting into the room, provides the air flow required but with the additional benefit of security.

uPVC + Aluminium windows combine the best properties of both materials. A profile of high quality aluminium is attached to a uPVC-frame. This is the perfect solution for all building projects aiming for noble visual appeal, stability of the aluminium profile and the superior thermal insulation of uPVC. With its outstanding static properties, it is ideal for large glazed areas. Aluminium and uPVC have been uniquely bound together, which is extremely economical: for manufacture, maintenance and energy efficiency.

Stabilizer--- enhances stability of profile and helps to postpone plasticizing. Also this is one important process of making sure 100 percent lead free on uPVC profiles.

The K value is a physical quantity that measures the thermal insulation performance of a material, that is, the heat transfer coefficient.The K value of architectural glass is defined as: under standard conditions, the heat transfer from one side of the unit area of the glass component to the other

plastic steel doors and windows have the following advantages:1. Cheap2. Rich colors3. Durable4. Good insulation performance5. Good sound insulation performance.