The type of hydrophobic coatings for glass employed has a lot to do with how long the glass coating will last. However, on a general note, most of the top quality hydrophobic coatings available in the market for sale these days will last an average of 6 months to one year, and this can as well be subjected to the climatic condition of the environment you stay, and how well you get to preserve the coatings, irrespective of all these having that time frame on your mind is workable for the duration of its lifespan before having to deteriorate. And just in case during the process of application of your hydrophobic coatings to your glasses, the due process of application is not well followed and the time for its longevity may be shortened. So, taking care of your hydrophobic coatings starts from the very day of application. Proper application of …