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Old 02-16-2013, 01:56 PM   #1
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delamination

class A mtr home; I have a delamination problem .I need to remove the outer fiberglass skin to fix it and replace wood siding behind skin as the wood is water damage . I would to know the procedure to do this : Thanks
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Old 02-17-2013, 09:04 AM   #2
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Depends a lot extent of delam, had to sand mine down to the luan. Stabilized the luan with JB Weld then built fiberglass back up and repainted. Not a big deal for my but I've worked with fiberglass for years. My only problem was matching the paint.
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Old 02-17-2013, 10:24 AM   #3
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Is your outer skin a sheet of Filon ?
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Old 03-10-2013, 11:34 AM   #4
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I too have a delamination problem with my class c on the p.s. bunk area.
Took it apart to find rotted wood. I was wondering if anyone tried replacing the luan with plastic, or something that would not attract water? If so, how did it work for you?
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Old 03-10-2013, 12:00 PM   #5
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The delamination is just the surface of the problem. You will most likely find rot/rust on the floor area below the spot as well as interior rot. You can try a temporary patch by drilling small holes and injecting a glue that is compatible with the foam in the wall. Then use a brace to an exterior structure to press on the area until the glue sets.

We had a 1989 Pace Arrow and had to have both sidewalls totally reskinned and all of the interior damage repaired. Luckily we got the insurance to pick it up and the bill was like $18K back in 1996.

Depending on the age of the motorhome the best thing maybe to fix the leak that cause it and then live with it or unload it.

Ken
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Old 03-11-2013, 10:24 AM   #6
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Is your outer skin a sheet of Filon ?
Its fiberglass. The damage is in back bed room I found out what started it .I just bought it a month ago previous owner had possibly backed into something and bent frame downward ,twisted the lug rocker about 2 feet from the bumper I fixed that and straight roller lug that stops RV from bottoming out ! When I removed the inside wall ,there was about 1/8 inch of the luon that was firmly attached to the Styrofoam ,so I laminated a new sheet to it using weld wood contact cement . I had noticed a gap in the foam ,that's when I jacked the frame up and it closed the gap . I then used a torch with rosebud tip to heat the frame , then reinforced the channel with a flat plate ,bolted it and welded it to the web of the channel. !t worked held the side wall in place . Now for the outside I will have to cut out a 52" high X 6 foot long peace of the fiberglass where the window is get all the delaminated luon out replace it with new using Stybond T 183 to attaché it to the Styrofoam and reattach the fiberglass with Stybond T 440 . Stabond is expensive ,but the only sealant that will hold the fiberglass Thanks all of you for the help, you got me headed in the right direction
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Old 03-11-2013, 11:10 AM   #7
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Originally Posted by paswigi View Post
I too have a delamination problem with my class c on the p.s. bunk area.
Took it apart to find rotted wood. I was wondering if anyone tried replacing the luan with plastic, or something that would not attract water? If so, how did it work for you?
I watched videos from propressionals ,they just re attach Luan with special contact cement ,wood to Styrofoam , If the water came in through the window that's one place to fix but you need to check the roof area also I'm new at this and it took some time to find the right contact cement that holds up !! I watched a video on gel substance you can roll on the roof to seal it two part appoxy , which is what I'll be doing myself! Stabond T183 is used to glue Luan to Styrofoam I don't know about using plastic but it needs to 1/4" thick for conformation of wall thickness or replace Luan with same thickness of sheets On the outside I watch a video where they used Stabond T440 that worked the best ,They tried 3 other products and failed 3 times
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Old 05-14-2013, 02:46 PM   #8
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Has anyone purchased replacement Filon fiberglass sheet, and if so, where and how.
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Old 05-15-2013, 07:34 AM   #9
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Has anyone purchased replacement Filon fiberglass sheet, and if so, where and how.
I bought my filon in elkhart area. There are many rv surplus stores in the region but you have to shop. I found the most reasonable place to purchase filon was Bontragers Surplus in White Pigeon, Mi., I don't know if they ship but the shopping experience in the region is awesome. There is a list online of surplus stores is online... google "rv surplus" there are listings throughout the country.
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