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It often happens that through the gaps in the windows begin to penetrate drafts, especially in the cold season, which greatly reduces insulation. In such cases, caulking windows outside, which eliminates gaps and prevents heat leakage, can help. This not only improves energy efficiency, but also protects against excess noise and moisture. You can order such a service here: https://www.totalserviceny.com/window-caulking/
I, too, have a recurring
I, too, have a recurring problem with cold air coming through the windows. I wonder how long the effect of this exterior seal lasts? Does it need to be renewed every year, or does it last for a few seasons?
Usually a quality exterior
Usually a quality exterior seal lasts for several years if good materials are used. On average, it lasts 3–5 years, but it all depends on weather conditions and the condition of the windows themselves. For best results, it is recommended to periodically check the seams and renew them as needed.