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Guest Message by DevFuse
 

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removal of expandable foam


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6 replies to this topic

#1 '84 Flat-Four

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Posted 30 April 2009 - 08:32 AM

I am embarking on solving my windshield leak (84 GL wagon). After getting the dash off, I came across a bunch of expandable foam.:rolleyes: I managed to carve much of it out, but needless to say, there remains quite a bit. I want a clean area to work with...
Does anyone know off a quick simple solution. I know the "cleaner" it is sold with does a decent job (toluene i think), but does it work on dried old foam? Would 70 % or higher alcohol work? WD40 or carb cleaner...? I am trying also not to make a stinking mess, more like spot clean, slowly until its all gone... I also would like to be kind to the windshield gasket... thanks!

#2 zyewdall

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Posted 30 April 2009 - 03:25 PM

If this is the yellow stuff... probably not. The can says that only mechanical methods will remove cured foam. Acetone dissolves the uncured foam according to the can.

You could always try whatever nasty chemicals you have around and see if there's one that will do it. I found out that gasoline dissolves white styrofoam quite well... Possibly urethane car paint thinner (sold at automotive paint stores)... since it is a urethane foam.

Z

#3 '84 Flat-Four

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Posted 30 April 2009 - 05:35 PM

Good call on trying the urethane paint thinner... will do. :brow:

I also give a few other household goodies a try. I'll post my results if eventful.

#4 subiemech85

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Posted 30 April 2009 - 07:04 PM

:popcorn:


CHEAP steak knife, ginsu 2000 is my favorite choice, less than $2 for a FULL set
http://reviews.ebay....000000000089445

can be easily bent to cut those hard to reach places :brow:

#5 Olnick

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Posted 30 April 2009 - 09:00 PM

:popcorn: ginsu 2000 is my favorite choice, less than $2 for a FULL set :brow:




But wait! That's not all!!!

#6 Flowmastered87GL

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Posted 02 May 2009 - 02:08 PM

I would try PB blaster... if not that, then a knife or screwdriver and a shop vac.

#7 nipper

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Posted 03 May 2009 - 10:23 AM

I would take a lump of it and just try things around the house. Start with gasoline and work from there. be careful as this is a chemical reaction and can give off bad fumes.


nipper




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