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Old 11-12-2009, 06:02 AM   #1
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Question Plexiglass window replacement

I have a fixed plexiglass window that has tiny cracks running through the plexiglass and I'd like to replace it. I think I can get the weather stripping and some plexiglass but I'd like to do it without removing the frame from the trailer? Does anyone know if this is possiible?
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Old 11-12-2009, 06:55 AM   #2
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A picture of the situation (interior and exterior) would be helpful.
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Old 11-12-2009, 07:27 AM   #3
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If it is a fixed window, and an exterior pane, then the frame has to be removed to replace the pane. The frame itself will have to be split in order to remove the old pane and the new installed. The "gaskets" are no longer available for the older trailers (70's) and the new pane will have to be inbedded with sealent. Depending on which year you have and which window, some are still available.

Kip
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Old 11-12-2009, 08:16 AM   #4
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The mystery trailer is...

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I have a 1979 Argosy
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Old 11-12-2009, 08:19 AM   #5
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Consider Lexan. It does not crack as easy , resists UV deterioration, and is easier to work with. Harder to find and more expensive.
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Old 11-12-2009, 09:27 AM   #6
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I have a fixed plexiglass window that has tiny cracks running through the plexiglass and I'd like to replace it. I think I can get the weather stripping and some plexiglass but I'd like to do it without removing the frame from the trailer? Does anyone know if this is possiible?
Plexiglass is not UV resistant, plus being very brittle.

It will crack when exposed to the sun in as little as 30 days.

Acrylite works well, but Lexan is the tops, since it's very tough.

Taking the window sash apart, is risky business. When you start to reassemble it, you will find that the internal corrosion, will offer much resistance sliding the halfs back together.

Andy
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Old 11-12-2009, 11:03 AM   #7
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Plexiglas is the Rohmn Hass trade name for pcca acrylic. Acrylite is another supplier's trade name for the same material. Both have limited elongation and therefore crack easily if they are forced to a given elongation. Both have fair durability when exposed to sun and have been used in green houses for over 30 years. Lexan is the trade name , now owned by scabic (purchased two years ago from GE) for polycarbonate. Polycarbonate has fair UV resistance but there are special grades which they offer which are better. It is extremely tough and is used for bullet proof glass windows. I have had a Lexan window in my '63 since '86 and it starting to yellow and get hazzy.
The trailer has been parked outside for 23 years in our northern climate. It would be much worse, if it were in the south or not under some trees.
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Old 11-12-2009, 01:36 PM   #8
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plexi

Why not go with heat tempered glass? Is it a curved window? If not you can get the glass from any glass shop. Just need to know the size and thickness. They can help with gasket or seals that may work for you. Hope this helps... Happy Trails, Ed
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Old 11-12-2009, 02:03 PM   #9
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BIGED52....I like the "heat tempered glass" approach.
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Old 11-12-2009, 11:02 PM   #10
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Rain-X fills the microscopic pores that make old lexan and plexiglass hazy; the crazing on the surface will be reduced but not eliminated, plus it adds protection from future oxidation. Several heavy applications allowed to dry thoroughly - polished off and it's good to go.

I was able to get discards from a subway car fleet at one time so that's how I know about the RainX - if you want the best their are have varieties with a hardened coating that resists vandalism graffiti (Mar-Gard is one) and I know that is worth looking into if you have access to it.
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Old 11-13-2009, 07:45 PM   #11
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Thanks for the inputs...

Thanks to everyone for the inputs. I tried the Rain X treatment and had limited success. I think I'm going to remove the window and replace the plexiglass with Lexan. Since it's curved, glass probably isn't an option.
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