Checking the quality of PVC windows is not difficult, it will be enough just to carefully examine the components.
Window Quality Parameters
Checking the window profile. It is necessary to inspect this element, trying to detect irregularities. The profile must be smooth and uniform, the same color. A rough surface, bumps, bruises show the low quality of the material, as well as a violation of the installation process. This is also evidenced by carelessly made seams at the joints.
Scratches, chips, a laminating coating that lags behind are factors of inaccurate installation or poor quality window transportation.
You should carefully inspect the glass package. The block must be equally transparent, no sagging. The distance between the 2 canvases should be equal everywhere.The smallest glass thickness is four millimeters; in order to check it, a special tool should be used.
Glass tinting, as well as stained glass lamination, must fit snugly over the entire surface. The presence of an energy-saving spray should also be checked. To do this, you need to bring the included lighter to the glass. If among the displayed lights there is red or blue, which is different from the rest, then this is a double-glazed window with this option.
Window fittings, that is, mounting components, various rods, hinges, everything should not be plastic. In high-quality and strong systems, the basic raw material of the locking mechanism is a stainless high-alloy metal. Portal and swing doors should be tested. If the action is implemented tightly, creaks, clicks appear, then the assembly was carried out poorly. You should not buy such a window. In appearance, the main and auxiliary fittings in the window block, which comply with the norm and standard, should be smooth, and there should be no notches.
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