When caring for frame constructions of PVC, you need to use special detergents. They should not have as part of abrasives or acid -containing substances. They should not have chlorine. You do not need to use gasoline and acetone to remove fat spots. You need to wash them twice a year. If solid particles fall, they can scratch a smooth surface. She will lose her shine, and then whiteness, will become matte. Getting rid of dust and dirt from the damaged surface will be difficult. The seals also need special care. They also need to be wiped with a rag dipped in a lemon solution, and then cover with silicone lubricant. Lubricant can be bought at any construction store. Given all points, rubber seals will retain elasticity and will not dry out. If there is no proper care, they are deaf, cracks appear in the window systems. All mechanisms of accessories must also be lubricated once a year and even more often. After winter, you need to clean the external holes to get rid of excess humidity and for ventilation. They are at the bottom of the frame. Wheel -glazed windows are washed with water with detergents and wiped with a soft cloth. Often, when setting these windows, problems are immediately manifested. The windows are difficult to open, close, the cracks form, the handles are sunk. The most important reason is a violation of installation rules. The windows were carried out incorrectly and the windows were improperly installed, then they fog and freeze, mold and fungi appear on the slopes, and the work of accessories is difficult. She breaks. And for comfort in the house they install, which will provide comfort and comfort. The use of inexpensive accessories is characterized by a small number of shock points. If the thickness of the sash is incorrectly selected, the frame begins to sag, the frame is curved, the load on the double -glazed window is enhanced, it is deformed, the crack is formed.