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PostPosted: March 31, 2014, 4:40 pm 
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Location: Toronto, Canada
I just picked up a Porsche 914 seat that I want to clean up and paint.
I don't plan to reupholster the seat although I might put a small seat and back cushion in.
After I ripped off all the upholstery and foam I was left with a lot of brown glue all over the fiberglass.
How do I get all the glue off?

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I tried brushing on some acetone and although it didn't seem to affect the fiberglass, it still left a lot of residue. I kept going over it again and again with some success but the acetone evaporates very quickly and it looks like I'll spend days doing it this way.

Any suggestions on how to completely remove all the glue without so much effort?

Thanks


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PostPosted: March 31, 2014, 5:36 pm 
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Wire brush in a drill, using two hands and barely touching the surface.
No need to remove it all if you are recovering, just the loose bits and roughen the rest.

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PostPosted: March 31, 2014, 5:46 pm 
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There are some 3M adhesive removers that really dissolve stuff like that. I can't say what they would do to fiberglass however.

solutions.3m.com


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PostPosted: March 31, 2014, 7:19 pm 
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You might try plain old a) mineral spirits, b)naptha, 3) Goo-gone in that order. I doubt that any of these will affect the fiberglass.

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PostPosted: March 31, 2014, 8:42 pm 
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Joined: March 3, 2006, 10:48 pm
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Location: Shawnee, Ks
Wow how timely. I just got two 914 seats today. $50 US for two including sliders. I am going to have to remove 2" from the center so they will fit my car. I'm going to have all new seat covers made for mine. Russ

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PostPosted: March 31, 2014, 10:15 pm 
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How about the wire brush per Miatav8, etc, and then shoot it with some spray on bedliner?

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PostPosted: April 18, 2014, 1:07 pm 
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Just started cleaning my 914 seats. If the glue is good and dry try scraping it off with box cutter knife blade held on edge. Works great on mine. Where gloves and arm protectors to protect you from the fiberglass strands. russ

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PostPosted: April 18, 2014, 1:56 pm 
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Sandpaper and wear a respirator. The goal is to remove the glue without getting into the actual fiberglass.

Even if solvents don't melt the resin they can still do damage and change the molecular structure.

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PostPosted: April 19, 2014, 8:57 am 
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Well I've had some success.
I tried sanding but all that did was gum up the sandpaper. Tried various solvents with no success.
I ended up using acetone to soften up the heavy glue and left over foam and scraped it off with a plastic scraper. You have to work fast in small areas because the acetone evaporates so quickly. That left a thin, sticky residue of glue. Further application of acetone only smeared this around so I tried some water based paint stripper. Left it on for about 5 minutes and sprayed it of with the garden hose. Worked great.

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The blue areas in the pictures are where I applied fiberglass filler to fill the holes left by the upholstery clips.

I really like the idea of spraying the seat with bedliner. I'm going to try that.

I'll post more pics as I go. (It's still too cold to paint outside)


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PostPosted: May 20, 2014, 8:22 am 
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ngpmike wrote:
How about the wire brush per Miatav8, etc, and then shoot it with some spray on bedliner?


I really like the bedliner idea so I gave it a try.
I love this stuff (EZLiner - $10 for a spray bomb at Canadiantire)

I goes on great with no runs and seems to be a good tough finish. I did three coats.

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I painted the back of the seat with Tremclad semi-gloss.

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I don't plan to upholster it because I plan to use it only for Autox.


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PostPosted: May 20, 2014, 9:31 am 
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It looks good; practically a "factory" finish. If you look at the "before" photos above, it's a great save. The seat looks like a throw-away in those pictures.

Cheers,

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