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Old 03-10-2014, 03:15 PM   #15
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Thank you but why I have to put glass windows if it's so fragile ? Why do you advize me for glass windows ?

You spent $28, it's the price for glass windows or polycarbonate ?

I've seen on a website that the Lexan (polycarbonate) looks like a light yellow color when the glass is thick.

The price is different according to the thickness.

What is the original thick please for 60' windows ?

Thank you
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Old 03-10-2014, 03:53 PM   #16
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Thank you but why I have to put glass windows if it's so fragile ? Why do you advize me for glass windows ?

You spent $28, it's the price for glass windows or polycarbonate ?

I've seen on a website that the Lexan (polycarbonate) looks like a light yellow color when the glass is thick.

The price is different according to the thickness.

What is the original thick please for 60' windows ?

Thank you
The original glass used from the 1965 and older Airstream trailers was .125 (1/8 inch) double strength.

The Lexan we used never turned yellow, nor did it easily scratch.

Andy
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Old 03-10-2014, 06:32 PM   #17
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Gael, the glass was just plain flat glass from the factory. I can't remember the thickness right now, but it is a standard thickness, though not metric. I replaced some windows in our '63 with regular glass, which is what was there, and all the glass, including cutting them, was less than $40. Regular plain glass is very inexpensive. Even if someone breaks every window in your trailer, it would cost less than 100 Euros to replace them all with glass.
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Old 03-13-2014, 03:36 PM   #18
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Thank you again for the information Andy and Terry.

It seems that regular glasses are cheapers, I thnik about it and I inform you on the solution which I took.

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Old 03-13-2014, 05:02 PM   #19
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1/2 inch hail stone will not normally break the OEM glass in the windows. If you have acrylic (white or clear) sky lights they usually break during larger hail. I replace skylights with polycarbonate when they break. The replacement poly carb skylights that were on my 63 during the hailstorm at Kieler, WI. did not break. The $28 repair cost for the two windows was for only the regular replacement glass. I put them in the frames in a couple hours. Check the GE Lexan site to see how Lexan discolors and hazes over time, dependent on sunny exposure and latitude.
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Old 03-14-2014, 08:17 AM   #20
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I'm so excited to be a part of this group! I've just purchased a"73" argosy and it was completely gutted. Just what I wS looking for it is being transforming into a boutique and it's coming along very well! I do have a few questions to any of you that could help! I'm looking for some salvaged parts and here they are. Left side Window as of right now there is plexiglass and it look terrible new a/c unit or cover for now! And any light fixtures.. Thanks for any help in advance! Here is a pic!Click image for larger version

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Old 03-14-2014, 08:25 AM   #21
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Thank you at all for your replies,

Many interresting answers...

If I understand correctly :

The original glass live very well through the years but it's fragile...and it haven't a really isolation rule...

The plexi seems have discolor through the years but have a better isolation

And the lexan product is more thick (have a better isolation) but may be have a discoloration during the years ?

The better solution is to have a good isolation without to change windows each 5 or 10 years...
Plexilass and Lexan and brand names. They have different compositions. Lexan is a polycarbonate. Plexiglass will also yellow and haze. Both Lexan and Plexiglass come in different thicknesses. Lexan is more expensive than Plexiglass. Lexan is easier to work with.
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Old 04-14-2014, 03:05 AM   #22
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Hello,

Is it possible to change the old plewiglass by a more thick plexiglass windows ?

Because, I've seen that I have space to fix more thick glass

Thanks
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Old 07-25-2014, 07:30 AM   #23
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Hello everybody,

I'm (always) looking for the best windows for my Airstream and I found 2 different types of glasses .

The Polycarbonate & the PMMA

I'm lost with the professional explications... the Polycarbone is more strong than the PMMA but the PMMA is very good to replace glasses...etc etc...

Can you help me please ? It exist (too) lots of different "plastic" glasses...

And the glue is different also...

Thank you very much...
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Old 07-25-2014, 08:12 AM   #24
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Originally Posted by GaŽl View Post
Hello everybody,

I'm (always) looking for the best windows for my Airstream and I found 2 different types of glasses .

The Polycarbonate & the PMMA

I'm lost with the professional explications... the Polycarbone is more strong than the PMMA but the PMMA is very good to replace glasses...etc etc...

Can you help me please ? It exist (too) lots of different "plastic" glasses...

And the glue is different also...

Thank you very much...
It's really up to you as to what you prefer. I think the trailers of your vintage all used regular plate glass vs. automotive safety glass. So as long as the windows in your trailer are flat vs. curved you could just go to a local glass shop and have glass cut to size. I prefer glass to plastics or even Lexan sheet for windows as it holds up better over time and is definitely more scratch resistant. If you look at it as a safety issue (plate glass breaks in shards) then you can have heat tempered glass ordered to size with sanded edges that will resist breaking much better. Polycarbonate/plastic panels just don't hold up as well. Spend the extra $$$$ and get real glass.... You'll be happier in the long run. Ed
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Old 07-26-2014, 03:23 PM   #25
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Ed,

Thank you for your answer and... you're right in your explanation...

I thought that the glass was heavier but perhaps that finally... it isn't a real problem...

The problem of lexan or polycarbonate is they are softer, it isn't so strong than the trempered glass...

The other problem of polycarbonate or PMMA is that they move of 5mm per meter if the weather is cold or hot...
The glass doesn't move...

I wish to be quiet for a long time...

I inquire about a glass shop and then, I take the decision...

As Andy said, the glasses are double strength ? What does it mean please ? 2 glasses of .125" ?

Thank you.
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Old 07-26-2014, 06:18 PM   #26
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Greetings Mr. GaŽl


Polymethyl methacrylate is very good plastic.


Clear polymethyl methacrylate is a common bullet-proof glass, but it can be scratched, and yes it moves with temperature changes.



FYI,
Our beloved "Corian," an opaque plastic, that is composed of polymethyl methacrylate with aluminum trihydroxide (a type of pottery clay), is 357 mag bullet-proof at .75” thickness. Corian is a wonderful plastic created by Dupont. Scratches in Corian can be sanded away to invisible because it is opaque. Polishing out scratches in clear plastic, not so easy.


Years from now you won't be happy with any kind of clear plastic windows.



The majority of plastic windows in the USA Airstreams are temporary until real glass can be installed. Real glass is preferred.



The term “Double Strength” is confusing as it is a stronger single pane. Not a double pane. Tempered is better than double strength. You want “tempered” as it is the best “single pane”.


Stop fooling around, and don't waste your time with the idea of plastic windows. Do as Ed suggests, TEMPERED GLASS. Tempered glass should be your first choice. Tempered glass is strong and safe. It is easy to install. It will be free from trouble and will remain clear and last longer than you will live.


Your large front facing window could be bullet resistant polymethyl methacrylate, in order to prevent it from shattering by rocks and road debris, and it would eliminate the need for a front “rock guard”. It will scratch. Use care when cleaning. Plastic is vulnerable to chemicals.



You be very happy with all the other windows being tempered glass. Yes, it is expensive, but worth the price and peace of mind.



BTW,
I was joking around with a French woman and we decided to make a list of American words that are preceded by the word “French”.


Kiss
Fry
Toast
Cut Bean
Curve
Tickler
Automobile body work called “Frenched” as in Tail-lights
Onion Soup
There's more, but my list is not with me now.



Thanks for your interesting posts and mostly decipherable, colorful English. We're all here to help each other.
Happy Trails, Wm
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Old 07-26-2014, 09:36 PM   #27
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Pmma (trade name Plexiglass or Lucite) arcylic is not very ductile and prone to cracks if it is nicked or struck. Poycarbonate (trade name Lexan) is more ductile and not easily broken, but will scratch and will degrade with time, if exposed to lots of sun. Original windows in 1961-64 Airstreams were simple double strength non-tempered window glass.
I have one window in my 1963 that is polycarbonate because the PO sideswiped a truck and took out two side windows and the frame. To conform to the shape of the trailer, the window had to bend. Lexan was the answer. I have had it in there for 27 years. It is getting pretty yellow and slight craze. A hail storm took out two of the other original windows in 2009. I replaced them with the original grade of glass from the hardware store the next day. Total cost $28. If I get hit by a rock, I will replace them again with glass. The Lexan took a hitting and stayed in one piece.
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Old 07-27-2014, 12:00 AM   #28
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Glass or Tempered Glass.....

Gael, The choice is regular plate glass or Tempered Safety Glass. The standard plate glass will break if it takes a hit and so will Tempered Safety Glass. The difference is that when plate glass breaks shatters into sharp shards and can be dangerous to clean up as well as remove from the frames. With (Automotive Grade) Tempered Safety Glass the emphasis Is on SAFETY!!!! When it breaks it shatters into pebbles and is much Safer to clean up and remove from the frames. I also would not use anything but Safety Glass anywhere on your trailer. If you are fearful that road debris might kick up and break the front window glass spend the money to buy an original styled Rock Guard. These can be obtained for InlandRV.com or VintageTrailerSupply.com or OutofDoorsMart.com. You cannot go wrong that way and your windows issues will be gone for many, many years to come. Treat yourself to the best you can get and you won't regret it down the road. Hope this helps, Happy Trails, Ed
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