angussg Posted January 4, 2009 Report Share Posted January 4, 2009 (edited) I'm using painters touch black spray paint should i be sanding between color coats? - Thanks Edited January 5, 2009 by angussg Quote Link to comment Share on other sites More sharing options...
Southpa Posted January 5, 2009 Report Share Posted January 5, 2009 (edited) Hmmm....Rustoleum, eh? Sanding is optional. http://www.rustoleum.com/CBGResourceCenter.asp?sn=sur I don't see a problem with making sure you have a little additional mechanical bonding, just make sure the previous coats are cured well. Edited January 5, 2009 by Southpa Quote Link to comment Share on other sites More sharing options...
kpcrash Posted January 5, 2009 Report Share Posted January 5, 2009 It will make a slight difference when you apply the clear as the more level the base coats, the easier the clear will be to get flat. I wouldn't sand between "every" coat, but then it's kind of hard to judge since nobody but you knows how thick the coats are Quote Link to comment Share on other sites More sharing options...
angussg Posted January 7, 2009 Author Report Share Posted January 7, 2009 (edited) when i sand i get white almost streaks across the guitar. (its a black guitar) Does this mean that the surface isnt level and i should keep sanding? (this is after the clear has been applied by the way) Edited January 7, 2009 by angussg Quote Link to comment Share on other sites More sharing options...
kpcrash Posted January 7, 2009 Report Share Posted January 7, 2009 Check this out - it may help a little http://projectguitar.ibforums.com/index.php?showtopic=38973 Quote Link to comment Share on other sites More sharing options...
angussg Posted January 7, 2009 Author Report Share Posted January 7, 2009 Well actually kp i came across your turtorial and followed all of the steps - but the large white marks still remain even though the finish is somewhat smoother Quote Link to comment Share on other sites More sharing options...
kpcrash Posted January 7, 2009 Report Share Posted January 7, 2009 Sorry - no offense meant. What grit paper are you using? Also - are the streaks visible when you wipe down the guitar with a damp cloth? Are you wet sanding? Quote Link to comment Share on other sites More sharing options...
angussg Posted January 7, 2009 Author Report Share Posted January 7, 2009 The streaks are visible after the damp cloth, the paper started at 400 and went up to 2000, and i did a little wet sanding Quote Link to comment Share on other sites More sharing options...
kpcrash Posted January 7, 2009 Report Share Posted January 7, 2009 It's kind of hard to judge without seeing it. White streaks that are visible while sanding might indicate places where a heavier grit has gone deeper than other places and you need to wet sand more with a higher grit to work it out. This could be from several things - uneven spray (no matter how hard you try - it happens to all of us), uneven sanding (not using a block), when you're done dry sanding, the whole piece will look rather white. Once you start wet sanding, this will clear up a bit as you work up to 2000. Usually by 2000, some of the gloss has started to come back and you see where there are larger scratches left by larger grits underneath. If you start hitting the color coats, it's time to stop, wipe down with mineral spirits and spray more clear. The wet sanding is quite important as dry sanding is really meant to just get rid of the "shiny spots" thus making the finish level. From there, you're just trying to get rid of the scratches made by the dry sanding by obscuring them with higher and higher wet sanding grits. Got any pics? Quote Link to comment Share on other sites More sharing options...
angussg Posted January 7, 2009 Author Report Share Posted January 7, 2009 (edited) once i got down to the color coats i reapplied the clear. Does this mean that i should start over with the sanding process or begin where i left off which is 1000 wet sanding Edited January 7, 2009 by angussg Quote Link to comment Share on other sites More sharing options...
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