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Drivers side stationary glass
Has fogged for the first time. Meaning the seal between the two panes has failed. Seeking opinions on the following strategy: Remove both panes intact from the frame. Cut and clean the adhesive that holds the two panes together. Reinstall only one pane and keep the other for a spare.
In June 2014 this double pain blew out and I held it in place with my left arm while getting stopped. The panes never separated and I reinstalled it with the oem Sikaflex 255fc.
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16 Replies
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We had Jeff’s (ETLC) glass guys install two new dual pane fixed window(drivers side and entry door) in fall of 2014 in our previous Bus, 1992 Beaver XL40. We had Prevost ship the windows to Vonore, on our nickel, and Jeff’s guys do the install for a FRACTION of the cost in labor that Prevost service would have charged. Prevost, if we remember right, was 10 hours labor. ETLC, four hours. The window install was neat. Only restriction, we had to spend overnight while gue cured, and no door slamming
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New single E rated glass is 80% of energy factor of the dual payne orig glass. Is slightly thicker at 5/16. Rather than 2 ea 1/4 plates with air gap. 65$ for driver side window.
The final install is one single payne at 5/16 rather than the dual payne at 1 inch. Triva I know.. But a decision for people on budget and could fill tank sever times.
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Hhhmmm, since I didn’t get any “don’t do it” feedback, have started the procedure in my first post. Today removed the double pain, separated the two pieces and cleaned them. Evening is for cleaning the frame when it’s cooler. Tomorrow, possibly the warmest last day of the season, will install one pane (lighter = better fuel mileage). Sikaflex works better in warm. Since I already have the stuff from our event two years ago, this event is pro bono.
Each pane is about .150″ thick.
One alternative would be to buy the new part from Prevost for $500, drive 20 hours to Nashville and back, burn $300 in fuel, pay Prevost labor for $1000, and sit in waiting 24 hours for the cure. We’re not on a budget, and I don’t mind wasting money, but I couldn’t bring myself to waste it on this.
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I had a Liberty XL and the previous owner installed a single pane, it was great and no worry about fogging.
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Dan, I peeled the outer sheet off the inner one while it was still on the coach. I used a thin blade artist’s knife, like you would spread oil paint on a canvas, and it has been like that for three + years. It has never been a problem having just the single sheet. It’s probably not correct, but neither am I.
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Had ETLC replace mine in April with Prevost glass. New glass began to fog by June. Jeff was good enough to ship me new glass last week under warrenty from Prevost. My suggestion is to get a piece of auto safety plate cut and be done with the problem. Will try the Prevost glass again and hopefully it will stay clear for a few years. Needles to say reinstall will not be cheep! Not happy with Prevost.
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We had our fogged Prevost double pane in the cockpit and door replaced with single pane this past summer. Had it done at RV Fog Doctor in Searcy, AR. Much cheaper than having new Prevost double pane, or even having the seals repaired in the old double pane, which they would have done if I’d have chosen to go that way. Since these 4 windows were the only double pane windows on the coach, I didn’t/don’t see any downside in having them replaced with singles. So far, so good…and no concerns about “fogging” in the future.
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Is there a source for the single pane windows? Hopefully some company has the template and they an be ordered. Is there a soure for the single pane windows?
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Research glass shops in your local area if you don’t want to use one of the original panes. The original panes are tempered glass and will shatter into small pieces when broken. Intuitively, I thought this would be less safe than laminated glass, so went to a local shop to find out that cars use tempered glass for their side windows also. And laminated glass, if your body goes through it, will kill you since it is held together by a center layer of vinyl. Laminated is intended to prevent objects from going through it. The shop owner felt that it was arguable as to which glass would be safer in this application. With that enlightenment, decided to use one of the oem panes. It would have cost $88 for a quarter inch piece of laminate cut to size. Your local glass shop does not have to be just for automotive.
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In looking at the panes, does anyone have a 1.) 2.) 3.) step process to get them out without damaging the outside paint? Do they even go throught the outside? Do they come out towards the inside?
Shows how little I know…
Mine need replacing. I would appreciate any thoughts.
Pres
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If the paint is over the sikaflex around the perimeter you have no choice but to use a very sharp knife to cut through the paint that typically overlaps the seal. Once that is cut you can cut all the way down to the frame, and then from the inside cut around the perimeter of the glass and it shouild be free for removal. When installing the replacement you need to clean all the old sealer down to the frame.
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Chromeman why did you pick the outer glass to take off? Seem like that would leave you with a large shelf on the outside as opposed to having it one the inside.
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I never removed the innner piece. I did it while it was still installed. when I went to first pick up the coach, that window was really fogged up (it had not been so when I looked at the coach, but it had been really rainy and humid in Florida), and I was not going to drive it that way, so I did the removal right there and drove it home. Going through the old records on the bus, I found that that window had been repaired less than two years before I bought her and it’s been just fine with the single pane. I’ll get to it some day. I’m waiting to see who has come up with the best answer. It seems that the double pane, whether new or repaired does not last.
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Bill replace with single pane I had one made and put it in and never a issue again then I sold both coaches that I did it two and they are still good , replaced outer one only but took hole window out , I had a place in Washington state build it they are the best but for some reason I can not find info on them but I will
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I had Prevost of Goodlettsville replace My Drivers side and it started fogging up again in about 18 Mos. Was a costly repair too. They made a few small paint chips around the outside, Which they warned Me that might happen in the process. While I was there having it done , Charlie Daniels Band Bus was there having the same window replaced. Prevost definately has a problem with those windows of that Era. That will have to be on My Wish List of things to do. I am not opposed to a good quality Single Pane. I sure do not have any confidence in another Prevost Replacement , Especially after reading this thread !
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