I went through this last year when I tried to offer pre-tinted windshields for installation at the GMCMI rally in Mansfield. We were looking for a
high IR blockage with minimal light blockage tint. We finally settled on the Huper-Optik product.
We were all set go until we ran into legal problems on what was allowed in the various states and provinces. I actually had an installer near the
warehouse all set up to do 26 windshields that then would be delivered / forwarded to the Mansfield rally. We had to pull the plug on the project.
It turns out that they would have only been legal in two states and one or more provinces in Canada. I only checked one province, Ontario. We found
that there was no federal US or Canadian ban on them. BUT.... We also found that the states stuck their nose into this and there is a wide variety
laws against tinting the windshield. This does not apply in most states to the side windows.
As a result of these laws what we found many, many vendors are still tinting windshields but they will not issue receipts and warranty their work or
the tint material. They want no paper work trail back to them. They will warranty their work and materials on side and rear windows. The other
thing we found was next to no installer will put tint on installed front windshields due to the difficulty of the big inside curve and clearance
around the instrument panel on a GMC. A few GMCers have been successful getting an installer to do the work.
These are just a few things that you are up against.
Ken B.
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Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana