Major thing that needs to be considered is the location and size of the damage. If damage is at the edge of the windshield then it will spread fast and will destroy the integrity of the glass. If any edge damage is found then fix auto glass it soon. It will save the life of your windshield.
Any of these stone chips can be repaired. Beyond looking for these types of common chips, it is important to take into consideration the size of the damage. If the damage cannot be covered by a half dollar, the chip is too large to be repaired. Another important piece of information to consider is the acute area. The acute area is the area of the windshield directly in the drivers line of vision. It is the same size as a piece of paper being held horizontally in front of the driver. In this area, the National Glass Association does not recommend a repair being done unless it is no greater than .95 of an inch. An easier way to imagine this is that a quarter should be able to cover the entire area of damage in the acute area.
Why do you think there is windshield repair? You got it, cost. Some insurance companies want you to repair rather than replace because of cost. They save a fortune if you repair your windshield. Also, you need to check with your state as to what is legal as far as windshield repair all states have different laws regarding this issue.
It will save you money in a way that instead of hiring someone to repair your windshield, you will be able to do it yourself. Or, changing your windshield will cost you more money because you will pay for installation and repairman. It's a great feeling that you could tell the world that "I can fix auto glass repair my own windshield". The question will be does it really work?
One more thing to consider is the amount of things we can see through the windshield. If there is a difficulty in the driver's vision then it is common sense that there will be a higher risk of accident. Windshield plays a vital role in ensuring the driver's clear vision of the road. With that being said it answered the question why is it important to repair the windshield. It is very easy to find someone who can repair the windshield. All of whom are very competitive and knowledgeable so you don't have to worry.
Next, will you get the promised support after the sale? Again, do you really think that the support will be top notch considering how much you paid for their kit?
Windshield repair or replacement is totally depending upon the size and location of the damage and cracks. So, before going for any of these options just consult a glass specialist who can examine your shield and suggest if a repair will work or not. If damage from an accident is quite big then do not compromise your life, as you know better that windshield replacement is a necessity. Just bear in mind that your life is more valuable than anything else.