lurch
Full Member
Posts: 217
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Post by lurch on Oct 16, 2007 3:35:00 GMT -5
Hi
Does anyone know of any good links to websites where a can pick up a few tips on how to spray paint ? I'm using 2 pak but I'm using standard 1K primer as I was told its compatible but it doesn't seem to dry out ,go's like a rubber film even after baking in the shed with the 3Kw electric fan heater on full blast for 48hrs
When I try to sand the primer it either clogs up the wet & dry paper or just rolls up on the surface . Its a fiberglass tank & I have prime it first with a special sealer ,phew smells like cat pee
I really want to do the job myself but at this rate I think I'll need to call in the pro's
Com on Guys ,the cafe build is nearly finished except for the paint
I need help badly !!!
Thanks
LURCH
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Post by curly001 on Oct 16, 2007 5:29:10 GMT -5
Lurch,
1K is not a body filler! it stays soft so when the topcoat is applied it softens even more to allow the coats to bind together.
Curly
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lurch
Full Member
Posts: 217
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Post by lurch on Oct 16, 2007 6:31:23 GMT -5
Oh my gawd
You say its supposed to be like that ? Wish I knew that before I stripped and re coated the tank 5 times !!! Doh I think I'll give it another go today & report back .
Do I have to flat /block sand the base color coat before I clear coat ? or just spray over when the base coats dry?
Cheers
LURCH (member of the Rolf Harris school of paint work CAN YA GUESS WHAT IT IS YET ?)
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lurch
Full Member
Posts: 217
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Post by lurch on Oct 16, 2007 8:29:35 GMT -5
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Post by colinjay on Oct 16, 2007 17:25:06 GMT -5
Hi,
Here are my thoughts on painting for the mug bike builder, based on 25 years of doing my own paint work.
1. stay away from 2 pack paint, dificult to use and lots of safety issue, I use normal acrylic automotive paint, and put on a clear top coat.
2. use a low pressure touch-up spray gun. they are a lot easier to handle while painting small area such as bike tanks and side cover.
3. preperation / cleanliness, preperation is the most uninteresting part of painting but the most important, next to cleanliness. the more time and effort you put in to the initial cleaning, sanding,priming, sanding and cleaning, the better the end result.
4. patience and perseverance, take your time and stick with it, you will not do a perfect job every time. I still don't get a 100% perfect finish every time, BUT, it is amazing what can be done with a selection of rubbing compounds and polishes to turn an average spray job into a very good finished paint job.
I give thinks a very light wet rub with 1600 grade wet/dry paper before applying a clear top coat seams to work for me. I also allow the job to stand for at least a week before applying a clear top coat, however this time could be shortened by using heat lamps like to pro do.
CJ
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Post by colinjay on Oct 16, 2007 17:35:09 GMT -5
Further to my last,
If you are putting transfers or pin stripping onto the item, apply a couple of clear coats on top of the colour and give it a light wet rubbing before applying the transfer / stripping, then apply another coat or two of clear to seal the transfer/stripping in.
I do this, because when (not IF) you stuff it all up in the final stages and find that the transfer/stripping is not compatible with the clear laquer, (even though it was ok on the test peice), you can carefully sand/rub the final top coat and transfer/stripping off without sanding/rubbing back into the base/colour coat.
CJ
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Post by wotavidone on Oct 16, 2007 17:35:58 GMT -5
A cautionary tale with regard to 2 pak paints.
I have heard that 2 pack poly urethane is OK, but I believe 2 pack epoxy paint fumes are very bad for your health. And, the article I read indicated that the effects are cumulative.
I urge any one using 2 pack paints to get themselves a type ABE1 respirator at least, unless they can find one specifically designed for spray painting.
A mate who spends his entire life restoring old vehicles says that the way to go for spraying 2 packs is to use a gravity feed gun. i.e. pot on top.
Mick
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Post by davedunsboro on Oct 17, 2007 7:35:54 GMT -5
I've actually had a lot of good luck with Anchor acrylic from the local paint shop . 2 cans easily does the tank & covers then you do your stickers & clear in a can too (I use my primer in the gun as I've got heaps of that) The finish is quite good coz the secret is in using 1500 cut wet/dry between coats & having a jig to rotate what you are spraying ! The paint only costs about 50bucks (is tax deductable on my hardware account but don't tell John Howard) . Cheers from tightarse Dave.
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Post by frankyb on Oct 17, 2007 8:17:48 GMT -5
HJi fellow painters, acrylic clear coats and gasoline do not like one another, but enamel clearcoats dont seem to be affected by fuel spills, or so it seems in my experience. Ive found painting fiberglass, after you rub the gloss off the gel coat, prime it with a metal etch primer, it seems to provide a good key for following coats. Cheers Franky b.
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Post by wotavidone on Oct 17, 2007 17:39:43 GMT -5
I have to say I reckon spray can acrylic works very well for beginners like me.
Looks absolutely horrible when you spray it on, but 4 hours later you get into it with cutting compound and it cuts back beautifully. Gotta be careful you don't cut it right back to the primer though. Then you clean it with Repo non-silicone cleaner polisher and it looks good.
But, as Franky says, almost zero resistance to petrol, though I haven't actually put a clear coat over mine.
Franky, do you reckon enamel clear would go over acrylic allright, and give me my much desired resistance to petrol spills?
Mick
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Post by christer on Oct 18, 2007 4:14:04 GMT -5
Hi. This is my rattle can paint job. home.online.no/~cfolke/paint1.htmlMy experience is that if the acrylic clear laquer can have good time to harden, it will withstand petrol quite good. But surely I am very careful when filling. Christer |
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Post by frankyb on Oct 18, 2007 6:08:21 GMT -5
Hi Mick, rattle can enamel clear will go on over acrylic, i reckon the enamel clear is a better finish as well. I like a good paint job, but my bikes are dirttrack race bikes, so i dont get too carried away, just like them to look tidy. One race season on them and they look like theyve been sand blasted. Cheers Franky b.
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