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Perspex window thickness

Drue1 Aug 2, 2014

  1. Drue1

    Drue1 Member

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    I'm looking into some plastic Perspex sheets to do my windows but I don't know weather to go for 1 or 2mm thickness
    what do you guys think ?
    cheers Stewart
     
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  3. Prawn

    Prawn My other car is a MINI!!!!

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    4mm is MSA requirement. 5mm is FIA requirement for international stuff.

    Certainly whatever you do don't buy 1 or 2mm!
     
  4. daz-20vt

    daz-20vt Well-Known Member

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    1-2 mm!!!!
    Would sound like you had rolf harris and his wobble board in the back!!!
     
    ADs3, Mrharris2, Machine212 and 2 others like this.
  5. monopole

    monopole Guest

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    ...that's what she said





















    :undwech:

    too soon?
     
    Mrharris2 likes this.
  6. s33nyboy12

    s33nyboy12 Well-Known Member Audi RS5 Owners Group Navarra Blue Classic

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    I had 5mm on my old civic ek4 vti you can curve it pretty well, then pilot drill the Perspex and sat on bead on soufix silicone using self tappers or tek screws to fit it tight and secure. That was a track car so I didn't care about looks it was Matt black lol.

    Noise wasn't too bad, a lot lighter than glass!

    Sean
     
  7. azzzah

    azzzah Member

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    might have some spare jigsaw blades for perspex if you need them too? i assume your making your own? just remember to put tape over where your cutting and cut SLOW else itl crack! i scrapped two windows being impatient
     
  8. RobinJI

    RobinJI Active Member

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    Pretty much what they said, 4 or 5mm is the norm for side/rear windows. 1 or 2 is too thin really, unless it's being heavily curved.

    The best method of cutting it I've found's a router, although that's with polycarbonate. (I'd definitely recommend using polycarbonate (lexan) not actual perspex as it's much less brittle.)

    Personally, if you're ever going to leave the car in a public place I'd want 4mm minimum and bonded to the shell, not just fitted in the rubber seals.
     
  9. Drue1

    Drue1 Member

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    That's why I've posted up to get people's info on thickness
    Cheers guys least I know what to order :)
    Back window is going to be tricky with the curve
     
  10. mattf1000

    mattf1000 New Member

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    Definitely polycarbonate you can cut it with a jigsaw router etc... drill any fixing holes slightly oversize as the plastic contracts and expands. And sicoflex to bond it. Used it my old rally car to great effect. 4 mm should follow the curves quite well
     
  11. Drue1

    Drue1 Member

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    Thanks very much
     
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  13. StaceyS3

    StaceyS3 Well-Known Member

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    Not sure if any interest to anyone in this thread?

    I have now found a supplier of thermoformed windows with black borders for a reasonable price.

    I have set up a group buy with intents we need to source 5 or more kits to make the prices quoted, if we make substantially more i may be able to negotiate a higher discount level.

    http://www.audi-sport.net/xf/thread...ther-models-also-welcome.362987/#post-3197079
     

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