Choose the Right Shape for Your Window

Regardless of whether you opt for a wooden joinery system, for one made of PVC or aluminium, it is very important to notice how massive the frames are because the compartments of your windows depend on it. The windows with only one wing and with the empty part of up to one metre wide are the most effective, as well as the ones with two wings and the empty part of 1.4 up to 1.9 metres wide and those with three wings with the empty side of two metres up to 2.7 metres wide. You should avoid any other measurements.