How to Take Care of uPVC Windows and Doors We all know about the benefits of installing the uPVC windows, but how many of us are aware of how to take care of such windows is a big question mark. Though they outperform any windows made from other material and can be used for a long period of time, if proper care is not taken then these windows, may give out in the long run. If the uPVC windows which you have installed in your house are losing their shine, then it is due to the lack of care that the uPVC window has suffered for which it has reached this stage. Reading this article will give you a good idea of how to take care of such windows. If the windows are losing their colour, then it is useless to paint them with another colour. It is better to use the same colour. Using another variant of colour does not look good and also takes away the shine from the window. A soft bristle brush or a soft sponge should be used in order to colour it. If gloss is applied then it is to be taken care that the excess of the material that is spread in other parts of the window is wiped off with a towel.