Like people, doors and windows get old and run down. Under its hard shell, it is under the pressure of wind, sun, rain and weathering every day, and damage is inevitable. So what happens to the doors and windows of the home and needs to be replaced?

1. Adhesive strips - dry cracking and falling off
Adhesive strips are the immune system of doors and windows. Doors and windows with a long service life and more adhesive strips will have the problem of cracking and falling off, mainly due to the influence of weather such as sun and rain. If there is a problem with the rubber strip, it is reflected in the doors and windows that the doors and windows are not closed tightly, and the sealing performance will be greatly reduced. Therefore, if you check the doors and windows of your home and find that the door and window rubber strips lose elasticity, dry and harden, etc., the editor recommends that friends replace the rubber strips as soon as possible to ensure the performance of the doors and windows.
Second, hardware accessories - rust corrosion

Hardware accessories, the heart of doors and windows. The opening and closing of doors and windows largely depends on their hardware accessories, and doors and windows are frequently opened and closed objects in daily life, and there will inevitably be different degrees of loss in use. Common problems with door and window hardware include oxidation, rust, corrosion, loosening and even breakage. If there is a problem with the hardware accessories during use, it may be said that the use is not smooth, and that there is a big safety hazard. Whether it is falling outward or inward, it will bring danger to family members and pedestrians. . Hardware accessories have different expressions on different window types. For example, casement windows cannot be opened and supported without the support of hinges and hinge accessories; sliding windows are inseparable from the assistance of pulleys and upper and lower rail accessories. If there is a problem with these accessories of the window, the normal opening of the window will be impossible. Whether the doors and windows of the home are relatively new or have a long age, it is recommended to self-check the hardware accessories. If they are loose, they should be tightened in time. If the opening is not smooth, add lubricating oil appropriately.
3. Profiles - deformation and displacement
Profile is the steel frame of doors and windows. For a door and window, glass occupies 80% of the total area, and profiles occupy most of the rest. After a long time of use, the profiles may have a series of deformation, displacement and fading problems, which not only affect the indoor appearance, but also affect the safety of the room. In the modern door and window system, the profile is an important support to ensure the sealing, heat insulation and stability of the door and window. Therefore, if there is a problem with the profile of the door and window at home, the first consideration is to replace the door and window immediately to avoid safety accidents and prevent them from happening.