Click on the question link below or simply scroll down to see detailed answers for the most frequently asked questions by GlassRenu Scratch Removal System users.If you don’t find the answer to your question below, send us your question and one of our expert glass technicians will respond within two business days.1) I’ve tried other systems with limited success. What kind of guarantee do I have that GlassRenu actually works?
2) Does GlassRenu work on tempered glass?
3) Does GlassRenu work on car windshields?
4) Does GlassRenu work on mirrors?
5) How deep of a scratch can GlassRenu remove?
6) Can GlassRenu handle large jobs?
7) How does GlassRenu work on scratches from construction, like stucco damage?
8) I am getting light (deep) swirl marks when grinding, what am I doing wrong?
9) Ok, so now I know what I did to put the swirls in, how do I get them out?
10) I just finished repairing some glass and when I look straight through the glass it is clear but as soon as I look through the repaired area at an angle I see a foggy shadow where I was grinding. What am I doing wrong?