Although, in order to ensure the protection from burglary, the windows should, above all, be equipped with burglar-proof hardware, the aluminium trims on the timber windows are the item considerably increasing the security.

The application of timber-aluminium windows in home restricts the penetration of heat through the timber part of the window by some 20%, thereby contributing considerably to the limitation of the losses of heat.

the main factor providing the protection from noise in the window is the glass package, however, the application of the timber-aluminium window system will greatly increase the noise reduction performance.

There are a number of types and shapes of windows. All of them may be completed as the timber-aluminium windows, e.g. rectangular, camber, circular, multi-angular, tilted, side-hung, revolving, and harmonica shaped windows.