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protecting headlights

Old 12-13-2011, 11:47 PM
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Default protecting headlights

I polished my headlights and have heard of some type of plastic to put on to protect them from getting cloudy again. If I buy the plastic sheets pre formed for my car, it costs alot. Any Idea were I can get it in sheets and can cut it myself?

Thanks
Old 12-14-2011, 05:35 AM
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http://www.rockblocker.com/

They sell that 3M clear protection film. In the 4 years it covered the front of our Jag XK, no yellowing or pealing. You can DIY if you're patient.
Old 12-14-2011, 07:49 AM
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Check with local auto paint supply house. Ask for 3M Scotchcal or Avery Graphic film.
Old 12-14-2011, 08:11 AM
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Or you could wax them every time you wash the car.
Old 12-14-2011, 08:17 AM
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Originally Posted by bamaboy473 View Post
http://www.rockblocker.com/

They sell that 3M clear protection film. In the 4 years it covered the front of our Jag XK, no yellowing or pealing. You can DIY if you're patient.
I thought the problem was from the uv light on the plastic. How does this product change that?
Old 12-14-2011, 08:18 AM
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Originally Posted by Thalasso View Post
I thought the problem was from the uv light on the plastic. How does this product change that?
Sand and grit etch the plastic lenses. UV light might do damage, too, but wouldn't that turn them yellow? What have you seen happen from UV rays?
Old 12-14-2011, 08:30 AM
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Originally Posted by bamaboy473 View Post
Sand and grit etch the plastic lenses. UV light might do damage, too, but wouldn't that turn them yellow? What have you seen happen from UV rays?
Well,i don't have sand in my area and the plastic gets hazy and opaque looking.Never seen them yellow.
Old 12-14-2011, 08:39 AM
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I use aero 303 on my headlights look just like the day the car was bought
Old 12-14-2011, 11:22 AM
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Originally Posted by Thalasso View Post
Well,i don't have sand in my area and the plastic gets hazy and opaque looking.Never seen them yellow.
I am fighting this battle too. I thought the "cloudy" condition was due at least partly to oxidation. In this cast the sheets (that I haven't heard of) might help with preventing scratches and oxidation. I am going to check into it.

I have used the polish and it seems to work, but doesn't last a very long time.
Old 12-14-2011, 11:25 AM
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the plastic film blocks some uv and protects the surface from oxidation (obviously) and abrasion...all of these things together cause the problems with headlamps...
Old 12-14-2011, 11:26 AM
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Just polish them every 5 years or so. You will never get a flat sheet of anything to cover the compound curves of a plastic headlight assembly. I think the cloudyness is more due to abrasion from debris hitting them than oxidation--your rear lenses don't look nearly as bad and they get the same UV exposure. following trucks, dirt from tires, sand from road treatments, etc, all abrade the soft surface.
Old 12-14-2011, 11:29 AM
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Originally Posted by Buoy Scout View Post
Just polish them every 5 years or so. You will never get a flat sheet of anything to cover the compound curves of a plastic headlight assembly. I think the cloudyness is more due to abrasion from debris hitting them than oxidation--your rear lenses don't look nearly as bad and they get the same UV exposure. following trucks, dirt from tires, sand from road treatments, etc, all abrade the soft surface.
actually taillamps do suffer from it but they are mostly vertical and the more horizontal or angled up surfaces are the first to take a hit...on vehicles with taillamps that have horizontal surfaces you will see quite a bit of whitening of the lens...the pigment in the lenses tends to hide the effect also as a haze isnt as apparent looking at a tinted lens as it is looking at a clear one...if you look closely youll find quite a few taillamps that are hazed...the coloring helps protect from uv also...

youll find on vehicles with headlamps that have horizontal upward facing srfaces (buick rendevous is an excellent example) the lenses turn white really fast on the horizontal portions along the hood....
Old 12-14-2011, 11:48 AM
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Originally Posted by bamaboy473 View Post
http://www.rockblocker.com/

They sell that 3M clear protection film. In the 4 years it covered the front of our Jag XK, no yellowing or pealing. You can DIY if you're patient.

link does not work.
Old 12-14-2011, 11:51 AM
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Originally Posted by Buoy Scout View Post
Just polish them every 5 years or so. You will never get a flat sheet of anything to cover the compound curves of a plastic headlight assembly. I think the cloudyness is more due to abrasion from debris hitting them than oxidation--your rear lenses don't look nearly as bad and they get the same UV exposure. following trucks, dirt from tires, sand from road treatments, etc, all abrade the soft surface.
I wish that polishing them every five years would work. For me its more like every 3 months before they start getting cloudy again.
Old 12-14-2011, 11:53 AM
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Back in the day when we all had GLASS headlights, we never heard of this.

Isnt the "polish" essentially a rubbing compound?
Old 12-14-2011, 12:51 PM
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My daughter's lenses are really bad. They've been wet sanded once about 6 months ago and they're bad again.

Are replacement lenses available at a reasonable price and are they easy to install?
Old 12-14-2011, 12:57 PM
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My wife has really big headlights. I keep her's clean by soaping them up on a regular basis.

I did hear that I could get her some replacements that would make them looks years younger.
Old 12-14-2011, 01:18 PM
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Originally Posted by FloatinChecks View Post
My wife has really big headlights. I keep her's clean by soaping them up on a regular basis.

I did hear that I could get her some replacements that would make them looks years younger.
Are they good in fog?
Old 12-14-2011, 01:26 PM
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Image got firewalled.

Last edited by FloatinChecks; 12-14-2011 at 01:58 PM.
Old 12-14-2011, 01:50 PM
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Originally Posted by FloatinChecks View Post
All I get is a blue square with a question mark in it.

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