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taylorb2053 07-14-2011 08:01 PM

Question about paint
 
Hi i have what might be a noob question. I have been painting about a year and a half now and i am currently doing a basic scuff and paint job. I have sanded everything down with 400 grit then scuffed with red scotch brite. Thats all. My question is some spots i didnt hit with 400 grit as well as others but i scuffed everything with the scotch brite very well. My question is will this create a problem for the areas not sanded as well as others. here is a picture for reference. Obviously the shinny areas are what i am wondering about. thanks for the input. sorry if it sounds confusing

http://i92.photobucket.com/albums/l3...0714-00114.jpg

302 Z28 07-14-2011 09:07 PM

I would go over the shiny areas again before painting and do a really thorough pre cleaning with hot soapy water.

Vince

BarryK 07-15-2011 06:50 AM

Like Vince said, those shinny spots are a problem waiting to happen, needs to look like the top half does.

taylorb2053 07-15-2011 08:29 AM

what can happen if i were not to fix it

BarryK 07-15-2011 08:32 AM

Just weaker adhesion, more likely to stone chip and chips may be bigger then normal, some flaking if hit in just right area.

deadbodyman 07-15-2011 10:06 AM

I've tried to do some cheap scuff and shoot jobs for a couple customers that didnt have the money to do it decent. but every time I ended up sanding it down the way I always do because its not that much extra work and I feel much better about it. The only way to do a scuff and shoot for me is to send those cars to the econo paint shop up the street. Personelly, I'd much rather NOT work than do bottom of the barrel work. It'll ruin a good rep or prevent you from getting a good rep.
Avoid scuff & shoots at all costs ,give them a proper sanding and eat the extra labor,Unless your working at the econo paint shop then you gotta do how they say at least its not YOUR rep. that suffers

bighotroddin 07-16-2011 10:48 PM

I have been using blend prep with a scotch brite pad for light colors and it works pretty good. Just have to give it a good rinse afterwords.

BarryK 07-17-2011 05:59 AM

Quote:

Originally Posted by bighotroddin
I have been using blend prep with a scotch brite pad for light colors and it works pretty good. Just have to give it a good rinse afterwords.

PERFECT, you know thinking about this , this is something no one seems to recommend and we should be promoting this for perhaps the newer painters to eliminate some of the fish-eye problems.

I keep a stock pile of Scuff and stuff (like the blend prep) and it makes for a good cleaner and sanding all in one in a case like above, where they are just sanding existing paint that is in good shape.

Works real good for interior parts and sanding new raw plastic bumpers also.

bighotroddin 07-17-2011 11:25 AM

The original poster never said if they were sealing it or not but you should never use a red scuff pad on any silver or light metallic color as it will show all the scratches.

deadbodyman 07-17-2011 11:56 AM

WHAAAAAT? where did you hear that??? if you can see scuff scratches maybe you need a second or third coat of paint and the color has nothing to do with it.
RED scuff pads are for scuffing before paint
Gray are for scuffing when something just gets clear ,like a blend

bighotroddin 07-17-2011 01:31 PM

I had it happen when I replaced a fender and blended into a door. I used a red scotch brite on the door and you could see the scuff marks in the base coat. Thats why I like to use blend prep or sand it with a 1000 grit.

taylorb2053 07-17-2011 03:03 PM

Quote:

Originally Posted by deadbodyman
WHAAAAAT? where did you hear that??? if you can see scuff scratches maybe you need a second or third coat of paint and the color has nothing to do with it.
RED scuff pads are for scuffing before paint
Gray are for scuffing when something just gets clear ,like a blend

Yeah i was always told to use red scuff pads before sealer and paint


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