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Old 07-10-2015, 03:40 PM   #111
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That's certainly possible. MEK, acetone, xylene, and naphtha all worked on my tar stuff. But none of them penetrated into and softened it; they only wiped off the top surface. I'd have gone through boat-loads of rags and solvent doing it that way; with heat I was able to soften and scrape away most of the gunk and then wipe clean with naphtha (two passes). I didn't get around to trying any paint strippers etc; I was reluctant to try them because I wanted to avoid damaging the primer. The corners of the metal putty knife I used for scraping did leave plenty of scratches though..
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Old 07-10-2015, 03:42 PM   #112
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The Aircraft Stripper soaks into it and it will scrape clean to the metal after 20 mins of soaking/sitting.
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Old 07-12-2015, 11:04 PM   #113
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Well, I got ALL the steel removed from the inside today! Wa hoo.... Note it's NOT the usual Wa HOO, heat has me beat right now....

Going back tomorrow with my son to remove all the fiberglass and clean up the junk floating around inside.

Tuesday we'll work on the black goo with the heat gun and scraper.

We'll hit it up with the airplane stripper Wednesday.

She's comin' along....

Pics for now:
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File Type: jpg P1010045.JPG (86.9 KB, 23 views)
File Type: jpg P1010046.JPG (75.5 KB, 24 views)
File Type: jpg P1010049.JPG (77.4 KB, 26 views)
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Old 07-12-2015, 11:05 PM   #114
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Oh yeah, found THREE leaks in the roof. Something to work on after all the prep work....
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Old 07-12-2015, 11:52 PM   #115
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Oh yeah, found THREE leaks in the roof.
Hence the reason why we try to convince folks on here why removing the interior is so important.

Nat
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Old 07-13-2015, 12:18 AM   #116
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Not sure if you can see in the third pic, the one with the fiberglass, but FOUR days after the last rain the fiberglass was DRIPPING WET!!!

I cannot emphasize enough how important it is to completely gut the interior to check for leaks.

This is a California bus with hardly ANY real exposure to rainy environments. I knew it was a very important step in being sure my build went well, but I was stunned at how wet that insulation was. There are other areas showing tell-tale signs of mold and corrosion I'm going to fix once all the 'glass and wood are removed.

She'll be one long-lasting Thomas for sure!
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Old 07-13-2015, 02:54 AM   #117
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I cannot emphasize enough how important it is to completely gut the interior to check for leaks.
Agreed. I found most of my crud, though, aft of midships, and in particular along the insulation behind the cable chases (so far).
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Old 07-13-2015, 01:44 PM   #118
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This morning found MORE LEAKS!!! Good GRIEF!!! The emergency hatch in the front may as well have a spicket to open up.... EVERY screw on the passenger side has water and corrosion. Called the number on the insert. The manufacturer is out-of-business.... FIGURES!

Now I'm on a quest to find two steel hatches to replace both plastic ones. ANYONE have any ideas on where to get two? Any help is greatly appreciated!

The ceiling insulation came down with relative ease. However, the wall insulation is stuck to the wall with the black goo. Cleaning off the walls is going to be more labor intensive than I first thought. My son is helping me. As a surprise bonus (he doesn't know yet) I'm going to fully up-grade his computer this fall for his birthday.

We were drenched with sweat this morning getting all that fiberglass out of the ceilings. Got plenty of work ahead of us before we get to spray-foaming..... Here's today's pics:
Attached Images
File Type: jpg P1010050.JPG (82.7 KB, 0 views)
File Type: jpg P1010051.JPG (75.2 KB, 1 views)
File Type: jpg P1010052.JPG (89.4 KB, 1 views)
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Old 07-13-2015, 01:48 PM   #119
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Called the number on the insert. The manufacturer is out-of-business....
Is the manufacturer's name on the label? Google-fu might help find them again
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Old 07-13-2015, 01:53 PM   #120
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I did. No luck. Here's the pic:
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