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 Plastic trim re-do.

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VT Wagon

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Join date : 2014-11-16
Location : Central Vermont

PostSubject: Plastic trim re-do.   Mon Jun 15, 2015 8:16 pm

Several lengths of trim on the wagon are pealing. I want to get it done quickly with out removing the trim.
I ended up scraping the plastic finish off with a utility knife blade (no handle).  Sanded it with 100 & 210 grit by hand and using a Krylon paint.  It looks respectable. From 20 feet it is imperceptible.







The back section, all preped.




The other side needs the same front and rear section done.
Should kee me busy for the next couple of nights.
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Wagoninabox

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PostSubject: Re: Plastic trim re-do.   Tue Jun 16, 2015 1:57 am

Very Nice job! Did you spray some clear coat over it? It will help the finish last longer.
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Fred Kiehl

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PostSubject: Re: Plastic trim re-do.   Tue Jun 16, 2015 9:08 am

You should have put a coat of zinc chromate primer on the aluminum before the finish coat. Zinc chromate is one of the few paints that will stick reliably to aluminum. It is a hideous green, but it sticks, and you can not see it after the finish coat.

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VT Wagon

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PostSubject: Re: Plastic trim re-do.   Tue Jun 16, 2015 9:48 pm

Fred Kiehl wrote:
You should have put a coat of zinc chromate primer on the aluminum before the finish coat. Zinc chromate is one of the few paints that will stick reliably to aluminum. It is a hideous green, but it sticks, and you can not see it after the finish coat.


There is no Aluminum. My '96 has plastic trim covered in a faux wood stick-on wood pattern.
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Fred Kiehl

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PostSubject: Re: Plastic trim re-do.   Tue Jun 16, 2015 9:55 pm

The upper trim is aluminum. There is no plastic except on the beltline trim of the sedan.
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VT Wagon

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PostSubject: Re: Plastic trim re-do.   Wed Jun 17, 2015 7:03 am

Fred Kiehl wrote:
The upper trim is aluminum. There is no plastic except on the beltline trim of the sedan.

All the bits I have sanded and painted in this thread are plastic.  I wish they were aluminum. I would be doing a brushed finish if it were.

On to the rear...
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Fred Kiehl

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PostSubject: Re: Plastic trim re-do.   Wed Jun 17, 2015 8:32 am

There is a 96 RMW in the local yard. I will go check the trim on the quarter panels. If it is all plastic, I will agree with you, but I do not know why they would make a separate end, instead of molding it in one piece.
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JaySS
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PostSubject: Re: Plastic trim re-do.   Wed Jun 17, 2015 11:48 am


Fred Kiehl wrote:
The upper trim is aluminum. There is no plastic except on the beltline trim of the sedan.

VT Wagon wrote:
All the bits I have sanded and painted in this thread are plastic.  I wish they were aluminum. I would be doing a brushed finish if it were.

Fred speaks the truth. The end caps are plastic, but the trim itself is a pre-coated aluminum sheet that was then cut & formed into the trim sections.

Again, the “Search Google” button is your friend. There is no shortage of threads showing the construction of the upper trim and how it can be polished out:

http://gmlongroof.4umer.com/t508-trim-removal-and-polish-from-other-site?

http://gmlongroof.4umer.com/t2270-one-set-of-polished-woody-trim-for-sale-1995-96-roadmaster-wagon

http://gmlongroof.4umer.com/t1258-my-lame-dcm

http://gmlongroof.4umer.com/t8906p20-new-roadmaster-is-coming-along-slowly-but-surely

Take a real good look down the length of the strips, there will almost assuredly be some dents you hadn’t noticed before. Just finding faded and/or peeling, but not dented upper trim to paint, polish or rewrap is a lot harder than you might imagine.

-  J

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VT Wagon

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PostSubject: Re: Plastic trim re-do.   Wed Jun 17, 2015 5:28 pm

Well ok. I have scraped and sanded the 'wood' off and never got to the aluminum.
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Fred Kiehl

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PostSubject: Re: Plastic trim re-do.   Wed Jun 17, 2015 5:39 pm

I pulled one off of a 96 RMW in the yard today, and it is aluminum, except for the end caps.
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oldfriendabb

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PostSubject: Re: Plastic trim re-do.   Wed Jun 17, 2015 10:07 pm

What was the color name you used there?
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VT Wagon

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PostSubject: Re: Plastic trim re-do.   Sat Jun 20, 2015 7:58 am

oldfriendabb wrote:
What was the color name you used there?

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Andebe

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PostSubject: Re: Plastic trim re-do.   Wed Jul 22, 2015 10:29 am

Is this still holding up well?
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voxkd



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Location : DeLand FL

PostSubject: Re: Plastic trim re-do.   Wed Oct 07, 2015 12:20 pm

I had thought they were plastic as well, but when I saw Rutledge Woods RM on TV with polished trim, I contacted him and he said he polished the stock trim...interesting.
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Bert Slater

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PostSubject: Re: Plastic trim re-do.   Wed Oct 07, 2015 3:48 pm

looks great no matter what it is made of. Nice job VT!!!
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bocoogto



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PostSubject: Re: Plastic trim re-do.   Sat Dec 26, 2015 5:39 pm

Looks great! My front spears are the only area beginning to peel. I have a spare pair--hoping there is a way to match the rest of the trim. That would also require faux wood graining. Any ideas?
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Fred Kiehl

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PostSubject: Re: Plastic trim re-do.   Sat Dec 26, 2015 8:56 pm

Dry brush light brown on top of the tan paint and make it streaky, then clearcoat.
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Plastic trim re-do.
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