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 jjwebb123
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 posted on March 26th, 2010 at 02:50 PM |
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Will my glass Shatter?{Help}
Hi Guys.Just need to clear up something here.I heard a myth that the old style of cars for example my 1970 Beetle,does not have a laminated(right
word?) Windscreen this means that if a rock hits it,it will Shatter or crack much more than other windscreens would.My front windscreen is marked
Sunzone,but all the others are marked Armourfloat.Does this tell me anything?If this is true ,i intend on taking it to a windscreen place and getting
them to laminate it.if they can.
Any info would be greatly appreciated.
~Jas~
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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Uber Kafer
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| posted on March 26th, 2010 at 03:18 PM |
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Is there any more markings on the glass, down low in one corner possibly, etched.
I would be very surprised if its possible to laminate an existing screen. Laminate meens 'to layer', so its done at the factory, a flexible
membrane between two layers of glass. So if broken it still holds together. The non-laminated will shatter into thousands of tiny cubes.
You can do a test to see if its not laminated. Hit it really hard with a hammer, if it shatters into thousands of cubes ... it was the old style.
Do I need to add that I'm joking?
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jjwebb123
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| posted on March 26th, 2010 at 03:26 PM |
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Nah there is not more markings,just "Sunzone Approved to xxxx,Account No.262" yeah so if it is not ,i will be up for a new whole windscreen.Yeh i
knew you were joking,that was the first and only test i thought of too.
Now what?
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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Joel
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| posted on March 26th, 2010 at 03:37 PM |
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it would be a new laminated style
pretty much every car gets atleast one new windscreen in its life
i';ve put 2 in my Lbug in 10 years
i do have an original flat screen armourfloat one under the house somewhere
its date stamp is 69 from memory
dunno why i've kept ut
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jjwebb123
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| posted on March 26th, 2010 at 03:40 PM |
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So should my stamps have a date on it joel.? if it does what would mean its the old style something like 70?
Thanks
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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Joel
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| posted on March 26th, 2010 at 03:49 PM |
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on all the original glass if its amourfloat it will
have a look at the armourfloat and there will be a dot above one of the letters
you can work out what year from that
dont know when they started doing it but in 68 itll be over the 8th letter, 69 9th, 70 10th and 71 is the back to the first and so on
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jjwebb123
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| posted on March 26th, 2010 at 03:59 PM |
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OK,so i went and checked it out.All the ArmourFloat Glass has the dot on the 10th(the a).Where as the front windscreen Sunzone,the dot is on the
2nd.(the u)
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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 helbus
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| posted on March 26th, 2010 at 04:57 PM |
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Sunzone is zone toughened. It is toughened glass, being original style. It may have been replaced sometime in it's early life, but it was replaced
with a toughened glass. You do not have to replace it unless it is sandblasted or unservicable in some way. You may wish to replace it with a new
laminated glass anyway. You will find the new glass will give a clarity that you did not realise until the new glass is fitted.
Supply and fit a new laminated glass is about $180 from a reputable windscreen place. If your rubber seal is old, it may be hard and will need to be
replaced also to do the job properly. A new good quality seal will cost about $50.
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jjwebb123
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| posted on March 26th, 2010 at 06:46 PM |
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thanks for your help.SO.....will it shatter if hit by a rock? 
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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helbus
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| posted on March 26th, 2010 at 07:08 PM |
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It MAY shatter if hit by a rock as may any of the other windows in your Beetle. It may be 30 plus years old, so it has done a good job of avoiding
rocks so far.
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jjwebb123
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| posted on March 26th, 2010 at 08:59 PM |
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yeah true,Do you think those mesh windscreen protectors(at top) help with rocks? i never thought they did because its only the top couple inches that
the windscreen thingo protects.I think they are mainly for shade on your dash.
???
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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68AutoBug
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| posted on March 26th, 2010 at 09:09 PM |
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| Quote: | Originally
posted by jjwebb123
Hi Guys.Just need to clear up something here.I heard a myth that the old style of cars for example my 1970 Beetle,does not have a laminated(right
word?) Windscreen this means that if a rock hits it,it will Shatter or crack much more than other windscreens would.My front windscreen is marked
Sunzone,but all the others are marked Armourfloat.Does this tell me anything?If this is true ,i intend on taking it to a windscreen place and getting
them to laminate it.if they can.
Any info would be greatly appreciated.
~Jas~
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never heard of sunzone...
but usually, a laminated glass will have that printed on it..
I replaced mine when doing the resto...
I had My share of windscreens shattering all over My face....
then the blood trickled from My forehead
true....
I still have My original one too...
and Joel,
My Son has a few old beetles still with original windscreens
lol
He doesn't drive any of those... lol
the shatter type of windscreens-
they are made of toughened glass and the later ones had a zone in front of the driver that was heat treated so it didn't shatter as much & You
could still see where you were going if it shattered at low speed...
high speed.. didn't matter... all over you....
Lee
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- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Joel
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| posted on March 27th, 2010 at 07:25 AM |
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| Quote: | Originally
posted by 68AutoBug
they are made of toughened glass and the later ones had a zone in front of the driver that was heat treated so it didn't shatter as much & You
could still see where you were going if it shattered at low speed...
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guess they forgot about that part on my celica
it was late at night and raining but as i came into a corner i passed another car and my windscreen completely shattered
i thought they must have thrown a rock but looking around the next morning i found one very bent up wheel beauty ring.
when it shattered i couldnt see a thing, i just remembered i was in a corner and hit the ancors
came off the road abit but luckily there was nothing to hit
had to knock a hole in it with my jack so i could see to get home
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jjwebb123
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| posted on March 27th, 2010 at 08:52 AM |
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That doesnt make me feel any better at all
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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HappyDaze
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| posted on March 27th, 2010 at 09:55 AM |
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There was a simple test for toughened screens (they are not allowed at the race track, by the way) - look at it though a pair of Polaroid sun-glasses.
If you see a pattern of 'blotches' it's toughened. You can also make out the 'safety zone'. Not sure if Polaroids are still around - ask your
grand-parents, perhaps!
Cheers, Greg
I'd rather wear a Beetle out by racing it than by polishing it!
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71-BEETLE-SEDAN
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| posted on March 27th, 2010 at 11:23 AM |
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Polaroids are still around, there the best sunglasses to get when fishing. Can get em for chep at most chemists
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bnicho
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| posted on March 27th, 2010 at 02:07 PM |
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Toughened glass screens are harder to break and harder to chip, but when they do go, they break into approx 3mm chunks, except for the toughened area
in front of the screen with is more like 5-6mm to allow some extra vision.
Laminated screens chip/crack more easily but allow you to continue your journey and can in the case of minor chips can sometimes be repaired.
I've had a toughened one let got at 100km/h on the hume highway approaching Goulburn. The area in front of the drivers seat was still okay to see
through to pull off the road. I didn't get any cuts.
I've also had multiple laminated ones break.
Personally I would not worry about the toughened screen. Just carry a roll of tough clear plastic in the car and some electrical tape so you can rig
up a temporary screen to get you home, if it ever happens.
Cheers,
Brett Nicholson
Melbourne, Victoria
1974 VW Superbug L - Olive 
1971 Morris Mini Moke - Mopoke
1966 Austin Mini - Audrey
1965 Morris Mini Traveller - Trixie
2007 Land Rover Freelander 2
2009 Nissan Pathfinder |
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helbus
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| posted on March 27th, 2010 at 05:31 PM |
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$180 plus $50 for a rubber seal and you can get a brand new laminated one fitted now. Thats a few tanks of petrol, a few slabs of beer, a few weeks of
smokes, whatever. I would just change it for a new one now.
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beetleboyjeff
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| posted on March 28th, 2010 at 12:46 AM |
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I have broken several toughened screens over the years - mostly I have had them stay intact and been able to see through the clearer chunks in front
of the driver.
The first one I broke was as a young bloke and it was on a wet day. The wipers still worked on it OK, and I drove straight to the VW dealer (still the
place to go back then - late 70s) to get it fixed before I got any rain in. I pulled up at the dealership OK, got out, then closed the door.
Unfortunately, this compress of air in the car with all the windows up (to keep out the rain) blew the windscreen out over the bonnet in a sheet of
little bits. lol.
If you do break a toughened windscreen and want to keep it intact, dont close the door with all the windows up.
From your ole' mate Jeff
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jjwebb123
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| posted on March 28th, 2010 at 08:57 PM |
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Will shade tinting have the same affect?
Thanks for all your help
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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helbus
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| posted on March 28th, 2010 at 09:56 PM |
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| Quote: | Originally
posted by jjwebb123
Will shade tinting have the same affect?
Thanks for all your help
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On side and rear windows it will hold it together, but you cant do this on a front screen.
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helbus
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| posted on March 28th, 2010 at 10:02 PM |
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This is a toughened screen smash. About 27 seconds into clip
http://www.youtube.com/watch?v=nAB5DpFPnKw
This is a laminated glass smash
http://www.youtube.com/watch?v=6KrDXMCO3PY
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jjwebb123
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| posted on March 29th, 2010 at 08:02 AM |
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| Quote: | Originally
posted by HappyDaze
There was a simple test for toughened screens (they are not allowed at the race track, by the way) - look at it though a pair of Polaroid sun-glasses.
If you see a pattern of 'blotches' it's toughened.
Cheers, Greg
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What do you mean by blotches? i had a look this morning the my dad's fishing sunglasses and can slightly see a different colourisation ,like a
rainbow.Is that what im looking for or should it slook like little cubes?
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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HappyDaze
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| posted on March 29th, 2010 at 08:59 AM |
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They must be Polaroid sunnys. To toughen the glass, the blow cold air onto the hot glass from jets in a grid pattern. The pattern varies from maker to
maker, but ,with the help of the Polaroids, you can see rows of circles in a grid (except for the 'safety zone' ). A laminated screen should be
clear, with no pattern. Hope that's - excuse the pun - clear.
Cheers, Greg
I'd rather wear a Beetle out by racing it than by polishing it!
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jjwebb123
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| posted on March 29th, 2010 at 09:11 AM |
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Yeha they were polaroid sunny's(i think) all i could see was like a small colourfull oil mark,like when oil is left on the road.I think that might be
from when i washed it.i coudlnt see rows of circles.but i will have another look.
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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jacky_moo
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| posted on March 29th, 2010 at 07:27 PM |
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more random and useless info... The small colored dots you see on car glass when looking through polarized lenses are from the cooling jets when the
glass is made
schnell!! schnell!! schnell!! schnell!!
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jjwebb123
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| posted on March 30th, 2010 at 09:07 AM |
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yeah thats what i thought,i am pretty confident that my glass is toughened.  
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with
courage."
Adolf Hitler At opening of 1934 Berlin Auto Show
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jsheppard64
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| posted on March 31st, 2010 at 11:10 PM |
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like my grandma used to say " it didn't break 30 years ago, why would it break now? " hahaha
no about 10 years ago on my way to school in dad's 504 peugeot ute. sitting at the traffic light.
it was toughened glass
it just completely shattered by itself
there were a lot of small 3-5mm pieces everywhere.
I still have Armourfloat windscreen
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helbus
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| posted on April 1st, 2010 at 06:37 PM |
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Just today I had to pull apart a Melbourne hail damage 1962 Beetle for repairs. The front screen was Armourfloat toughened still. The screen came out
no problems. The owner wants a new laminated one fitted at his cost for the glass when reassembled. He is in a lucky position where the labour part is
taken care of by the insurance. The repairs to this Beetle will be metal finished as per my usual standard of panel restoration repairs.
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cam070
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| posted on April 1st, 2010 at 08:43 PM |
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If you guys want a bit more info on:
Laminated glass check out, http://www.azom.com/Details.asp?ArticleID=88
Toughened glass http://www.azom.com/Details.asp?ArticleID=87
Sorry shameless plug for the site I run, but hopefully this explains it all a bit.
Bottom line is, they will both shatter if hit hard enough.
Toughened glass will be more resistant to shattering due to the fact that the heat treatment induces compressive stresses in the glass, but when it
goes, it goes.
Laminated glass will crack more easily, but the fact that it has a plastic (PBT) layer sandwiched between 2 layers of glass means that the windscreen
will be more likely to stay in place even if badly cracked.
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