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Re: [GMCnet] My 1976 Palm Beach Project [message #298513 is a reply to message #298391] Sat, 02 April 2016 18:47 Go to previous messageGo to previous message
Justin Brady is currently offline  Justin Brady   United States
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
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Senior Member
Big milestone today. The foam is in!

For all those following along at home, the 600bdft kit from Touch-N-Seal is more than enough to do the whole GMC.
I was able to get full 1.5" thickness on walls and ceilings. a 3" thick layer on the generator compartment, and still have a substantial amount in the cans by the end of it I was just walking around trying to find things to spray since I have no other use for it.

The hardest part of the whole process was removing the old foam, which is an absolute nightmare. If I were to do it over again I would buy a 200 bdft kit and spray it directly over the old foam.
The guns sprays well and is fairly easy to use, it takes a little learning but not too bad at all.

http://i67.photobucket.com/albums/h298/jbrady2/GMC/IMG_20160402_122237980_zpshxvuyqja.jpg

Once I had a solid coat I went back and trimmed the excess off the ribs and anywhere where I sprayed too thick, tried a variety of tools but the best was by far the Japanese Flush Cut Saw (woodworking saw) its just a really thin flexible blade with teeth. Cuts through the foam like butter. Paint scrapers are a no go unless sharpened and then still need a sawing motion to get through it.

http://i67.photobucket.com/albums/h298/jbrady2/GMC/IMG_20160402_163838634_zpsy3d3sycq.jpg

Once I trimmed it once I went back and hit all the low spots again. Trimmed it up again and she's finished!
I didn't get a good after photo but I'll get one tomorrow or next week and post it up.

Total time was from 10am until 5pm with a long lunch break, so I'd put it at a 5 hour job or so.

I think it's safe to say this is going to be a huge improvement over the stock foam, it was so poorly done. The foam i trimmed off of this totaled up to be more than all the foam I took out of it initially.


This means that the majority of the little stuff is finished, and it's finally time to move on to building the interior.



Justin Brady http://www.thegmcrv.com/ 1976 Palm Beach 455

[Updated on: Sat, 02 April 2016 18:47]

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