What is the metal strip in front of the car windshield?
3 Answers
This thin metal wire is a resistance wire, used to heat the glass for defrosting and defogging. Car window films are categorized into front windshield film, rear windshield film, and side window films. Among these, the front windshield has the highest requirements for window films. According to the traffic safety regulations of the Ministry of Public Security, the light transmittance of the front windshield must be greater than 70% to ensure driving safety. It is strongly advised not to use dark-colored window films on the front windshield. When selecting the UV protection index of the window film, the higher the better, as it helps protect the dashboard components from premature aging caused by prolonged sun exposure.
I've seen many car owners curious about that metal strip in front of the windshield. It's actually part of the sealing strip, mainly designed to prevent rainwater from leaking into the vehicle's interior. During routine maintenance, I've found that if this component ages or rusts, it not only causes leaks that wet the area under the seats but also tends to increase wind noise, creating a buzzing sound inside the car when driving at high speeds. Generally, the material consists of thin metal sheets with a rubber coating, which both secures the glass and provides flexibility. After several years of wear, it needs to be replaced. It's recommended to clean the gaps once a year to avoid dirt buildup that accelerates damage. Neglecting repairs may lead to deformation of the window system. Don't underestimate it; keeping it in good condition can save a lot of hassle and money in the long run. Recently, green maintenance has become popular, and using wear-resistant material strips can extend their lifespan and reduce waste.
I remember noticing that shiny metal strip in front of the windshield when I first bought the car. It's responsible for sealing the edges to prevent rainwater from leaking into the hood or the interior. While driving, it also helps reduce wind resistance noise, making the ride quieter. After replacing it once, the noise decreased significantly. When it ages, it tends to rust or detach, so regular inspection and dust cleaning are necessary. If left damaged, rainwater could seep in and damage electronic components, which would be a huge loss. When choosing sealing strips, make sure they match the car model—poor installation can lead to air leaks and affect air conditioning efficiency. I recommend regularly checking the roof connections and the condition of the metal strip. Simple maintenance can prevent bigger issues. In the long run, investing in high-quality sealing strips enhances driving comfort and is worth it.
