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Old 02-15-2006, 06:15 AM
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Slick Sand - Blocking

Hey guys, I did a search on this and found lots of good info on this board. I want to run my plans by you for feedback and experience with sprayable fillers.

I am getting ready to strip and respray my 911. I am an accomplished body man with the right equipment and skills. I want to try a spray on filler this time to level the body panels as opposed to using all 2k primer.

I plan to use PPG DP epoxy primer over the bare galvanized steel. I'll do any body filler work over the DP. I then plan to shoot 2 or 3 coats of Slick Sand over it. The body is pretty straight to begin with, but I plan to "file" the slick sand with 120 dry first to level it, then move to 320 dry and then 400 dry to reduce the sand scratching. I think the 3 coats will provide enough material to do this.

Once done, do I need to apply a 2k primer like K36 and reblock over the slick sand? Or can I shoot a coat of DP expoxy sealer over it and top coat, or K36 wet on wet sealer coat?

Top coat will be DCC single stage Orange.

Any other tips or info are appreciated.

Thanks in advance,
Ed

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Old 02-15-2006, 06:44 AM
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You could get away with just sealing that slicksand before paint but I would apply some K36 and final sand one more time with 600 grit. And I would reduce the K36 for the final prime for a smooth and even application. Be sure to guidecoat the slicksand between changes in sanding grit to make sure you remove all of your previous sandscratches.
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Old 02-15-2006, 06:52 AM
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Thanks Baddbob. I like the idea of a thinned K36 coat over the whole deal. Actually, I think I will tint the K36 with the final color anyway.

I will be using the 3M dry guide coat between blockings

Ed
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Old 02-15-2006, 06:52 AM
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I use Slick Sand on all my restorations. I spray 2 coats than block with 80 2 more coats block with 180. Spray 2 coats of urethane primer with a guide coat and wet sand with 400.
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Old 02-15-2006, 08:09 AM
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IMO I would not use the PPG DP epoxy, it is not worth a flip at holding up. I used some on the metal four piece hood of my 34 to keep it from rusting up until I was ready to paint. Based on things I was reading in this forum on DP epoxy about how it rubs off after it has cured, I tried it and it did rub off. Stripped it all off and applied SPI epoxy primer.

SPI epoxy primer is a far superior product to the DP, it will not rub off and sands really well.

Vince
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Old 02-15-2006, 09:01 AM
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Evercoat Feather FillG2 polyester primer does not need sealing. I've painted directly over it before (PPG DBC) with excellent results.

The info for Slick Sand states explicitly that a sealer is not needed, and I believe it.

I wonder if Slick Sand could be applied over SPI's epoxy. That might be a great method, Barry, will it work???
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Old 02-15-2006, 09:19 AM
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I've painted directly over G2 without problems as a test but it just didn't feel like the right way IMO. I agree with SPI far above PPG's DPLF qualitywise, in fact it beats every epoxy I've used. Any polyester, epoxy, or urethane product can be applied over SPI epoxy.

I plan to do some epoxy primer tests down the road and will post the information here.
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Old 02-15-2006, 09:38 AM
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All I use is SPI primers and clear. Black epoxy first than Slick Sand. Barry told me yes you can base over Slick Sand but it would be better to spray urethane first than base.
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Old 02-15-2006, 11:43 AM
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I've used the PPG line for years without issue. Never had a problem with the DP either. However, I am always interested in newer or better products and technologies.

What is SPI? Where do you buy it? My local supplier sells PPG and DuPont, I've never seen anything called SPI there.

Thanks,
Ed
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Old 02-15-2006, 12:17 PM
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www.southernpolyurethanes.com and their distributor is www.bakerpbe.com
Rusty
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Old 02-15-2006, 12:20 PM
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southernpolyurethanes.com... get the epoxy from them.. aside from the price being less it is such a better product. very user friendly. i would spray 2 or 3 coats of the slick sand and block sand it but im not sure u need to go up to 400 if you are going to spray 2k urethane over it.. i think you would be fine going to 220 or 320 definatly but 400 is overkill.. but id definatly use urethane over it.. helps me sleep at night.
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Old 02-15-2006, 01:19 PM
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Quote:
Originally Posted by evill
I've used the PPG line for years without issue. Never had a problem with the DP either. However, I am always interested in newer or better products and technologies.

What is SPI? Where do you buy it? My local supplier sells PPG and DuPont, I've never seen anything called SPI there.

Thanks,
Ed
Remember that DP isn't available anymore. It's now DPLF.
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Old 02-15-2006, 01:33 PM
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Thanks for all the info guys.

I'm going to try the SPI stuff, it looks and sounds good.

Now, which 2K primer should I use over the Slick sand, the 2K Regular Build or the 2K High Build? I figure the Regular is what I want since I'm only filling 320 scratches in the Slick Sand right?

Ed
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Old 02-15-2006, 01:41 PM
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I started using the 2k but have switched to Turbo primer.
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Old 02-15-2006, 01:54 PM
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The Turbo primer gets great reviews and recomended by Barry more than his other surfacers from what I've seen. Contact BarryK owner of SPI for his opinion if you want. I've got a project underway that'll be SPI from top to bottom but unfortunately I haven't tried the Turbo to give any opinion yet.
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