Using rain repellents offer certain benefits, but cannot substitute for necessary window care and auto glass replacement.
Beginning with the release of Rain-X in 1972, windshield water repellents have become an increasingly popular glass treatment. Under normal circumstances, it does a great job of keeping your windshield free of rain, increasing visibility, and providing a new layer of safety while driving in inclement weather. It does not repair or hide chips and cracks and is not effective at eliminating auto glass replacement.
What is Windshield Water Repellent?
Auto and commercial glass replacement companies typically offer rain repellent applications for the benefit of their customers. Rain repellents work by forming a protective layer over the surface of the glass. It fills tiny holes and imperfections to reduce the friction of water droplets. This allows droplets to bead together and quickly flow off of the surface. The coating wears away over time and needs to be applied again periodically.
How Long Does Rain Repellent Last?
The type of rain repellent used will determine how often it needs to be reapplied. Rain repellents are available in liquid and gel forms, and each type will perform differently. Some repellents include a bonding formula that will even resist chipping, but that protection is limited and should not be the primary reason for using a water repellent. In general, you can expect an application to last for as long as 30 days, but that time can be much shorter or longer depending on weather conditions that require the use of your wipers.
Does Rain Repellent Work on Cracks?
Rain repellents work at the micro-level and are not effective on large imperfections, cracks, or chipped areas. Depending on the rain repellent and size of the cracks, water repellents may even cause visual effects such as blurring or brightening the cracked area. It will not seal leaks. If your windshield is cracked or damaged, your best course of action is to have the windshield replaced by an authorized auto glass replacement company.
Auto glass replacement specialists can advise you on the best type of rain repellent to use and how often it should be applied. You can also request your first application at the time of your auto glass replacement to take a proactive approach to a clearer, cleaner driving experience.
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