08/07/18
If you want your Windows to serve you faithfully for several decades, they must be properly mounted. And that installation was high-quality need to properly measure the window openings. If all measurements were carried out correctly, then no problems with installation will arise.
Everyone knows that in order for the manufacturer to produce Windows, he must know all the parameters and calculations. If you decide that you will carry out the measurements yourself, you should know that they are carried out not only with the help of roulette, but also plumb and level. With them, you will learn how to a vertical plane. The height should be measured to the right and left of the window, and the width below.
In any case, it is best to cause the measurers, because even different errors play a role, for example, wall dusting during installation. It is also necessary to calculate the thickness of the walls, especially the construction. The cost of the window as a whole is calculated after the size.