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Old 12-29-2017, 06:18 PM
Grant Galloway Grant Galloway is offline
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Lexan Windows

Looking for some input! I am gutting my doors and windows in my Civic..

The factory side glass is about 3.5mm thick, anyone know if there is any required thickness or recommendations for how thick it should be?

Not doing the windshield

Grant
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Old 12-29-2017, 09:07 PM
Gary Gary is offline
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Re: Lexan Windows

I use 1/8 inch. Works fine. Just trace your glass window on tbe lexan without removing the protective cover, cut with a jigsaw, and you are done. Forget rolling anything up and down. Doesn't work with a flat panel. I use two long machine screws to hold the lexan window up where it belongs.
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Old 12-30-2017, 05:25 PM
Grant Galloway Grant Galloway is offline
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Re: Lexan Windows

Thanks Gary..

So no rule on mandatory thickness?

I plan to completely remove the glass in the front doors in favour of window nets.

Lots of work being done on the Civic this winter

Grant
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Old 12-30-2017, 07:19 PM
Gary Gary is offline
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Re: Lexan Windows

Grant, the replacement of glass windows is permitted in the rules, section 1.4.5. There are no minimum thickness rules for the windows in the doors or the rear window. Most people use 1/8 inch (3 mm.) for this. However, if you change the windshield as per rules 1.4.6 & 7, there are several specific requirements for that, including a minimum thickness of 6mm.

I once replaced the windshield in an ice race car with Lexan. This did not work well, as I did not pay the really big bucks for the kind that won`t scratch. The result, once the wipers had been used, was a mass of tiny scratches. Horrible to drive into the sun. I won`t do that again. Treat your Lexan windows with care.

Finally, no doubt you are aware of the PIP`s for window modification as set out in C.13, but I thought I`d mention it. Although, now I think of it, you have a cage and probably will be using race weight. Regardless, best to read the rules yourself, as always.
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Old 12-30-2017, 07:23 PM
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DavidSim DavidSim is offline
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Re: Lexan Windows

>>This did not work well, as I did not pay the really big bucks for the kind that won`t scratch.<<

I agree, do yourself a favour and buy the good stuff for any window you will be looking through (e.g. windshield, back window).

Ask me how I know !!!
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Old 12-30-2017, 08:26 PM
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Saj5DJ Saj5DJ is offline
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Re: Lexan Windows

What is the good stuff exactly? And where do you guys source it?
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