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Old 08-16-2017, 07:30 AM   #1
Mini-Skoolie
 
Join Date: Feb 2017
Location: Baltimore, MD
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Year: 1995
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Resealing Windows Before Subfloor

Like many on the forum we discovered that the bus windows are taking on water during heavy rain. This is partly because some of the seals have been broken from me removing the windows while taking the side panels down and partly because the bus is currently very unlevel.

My thought is that before I lay the subflloor I should pull each window and scrape all the existing sealant off, clean the contact areas real good with mineral spirits and then apply new sealer.

Does this sound like a good technique? Am I missing any important steps?
Lastly, what do people recommend for sealing? I've been reading older posts that touch on this but saw some warnings about using products that will make removing the windows later on an impossible task.

How would something like this work?

Thanks!
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Old 08-16-2017, 08:09 AM   #2
Mini-Skoolie
 
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I forgot to mention the gasket that goes around the window as well




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Old 08-16-2017, 08:30 AM   #3
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100% silicone will work thats what i used. Its much cheaper and has a 25 year warranty. Or you could look at something like osi which is a poly caulk. It took 12 tubes to do my 22 windows
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Old 08-16-2017, 08:44 AM   #4
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Quote:
Originally Posted by Greatestrr View Post
100% silicone will work thats what i used. Its much cheaper and has a 25 year warranty. Or you could look at something like osi which is a poly caulk. It took 12 tubes to do my 22 windows


Thanks for that.


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Old 08-16-2017, 09:33 AM   #5
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Oh i also used that foam weather strip thats sticky on one side i put that around first then laid a bead of silicone all around then put the window back in. Also i really built up the bottom with silicone. On my bus the water would roll off the drip edge above the window. Land right on the sill and come in so i built it up on the bottom. Think i finally got it after much water came in on my finished floor and walls. I will probably have to replace some of the walls cause water damage. So make sure your windows are leak free, before proceeding. Just a word of caution
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Old 08-16-2017, 09:41 AM   #6
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I would ash can those windows and put some real rv windows in, and also skin the areas that u dont want a window in. is easy work.
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Old 08-16-2017, 09:42 AM   #7
Mini-Skoolie
 
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Quote:
Originally Posted by chev49 View Post
I would ash can those windows and put some real rv windows in, and also skin the areas that u dont want a window in. is easy work.
How much would you budget I'd need to pay for windows?
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Old 08-16-2017, 09:43 AM   #8
Mini-Skoolie
 
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Quote:
Originally Posted by Greatestrr View Post
Oh i also used that foam weather strip thats sticky on one side i put that around first then laid a bead of silicone all around then put the window back in. Also i really built up the bottom with silicone. On my bus the water would roll off the drip edge above the window. Land right on the sill and come in so i built it up on the bottom. Think i finally got it after much water came in on my finished floor and walls. I will probably have to replace some of the walls cause water damage. So make sure your windows are leak free, before proceeding. Just a word of caution
Thanks! That's good info. Curious what you think you spent on materials to seal the windows.
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Old 08-16-2017, 09:51 AM   #9
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Quote:
Originally Posted by brightond View Post
How much would you budget I'd need to pay for windows?
The rv window costs will vary according to where u get them. for example, a trailer repair place, maybe a wrecking yard, or like I do... from craigslist of people who are making flat bed trailers out of older rvs. Just dont use the really old ones. there are many nice window sets available that way, and often the windows are the same pattern from one rv to another brand. On my thomas re, I got over 30 windows so not only did i have multiple sizes for my needs, but my brother used some of the left over ones for the travel trailer he built. I dont think i paid anything for them, but got from several trailers and rvs. I also got sinks, showers bath tubs, cabinets and the like.
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Old 08-16-2017, 10:05 AM   #10
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If you can access an RV wrecking yard you may be able to find some quality, double pane windows on the cheap. Just a thought.
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