Proportions and sizes of windows.

Having decided to replace the old window in their home, many are determined in advance with its color, design, texture, functionality and reliability. But there is practically no one thinks about the size of the window, putting all the responsibility on this subject on the shoulders of a specialist. It is worth considering that the measurer will calculate only sizes according to its standards, and the customer itself will operate with proportions and dimensions so that the window structure is unique.