Toecutter Posted January 24, 2007 Posted January 24, 2007 I've decided to paint my front spoiler red to match the car. Seeing I have spare paint in tins in both acrylic and 2 Pak thats already colour matched I've decided to do the job my self. I'll buy a spray gun and borrow a mates compressor. Has anybody got links to some good info on the net regarding detailed instructions and tips? Cheers, Sulio Quote
anth Posted January 26, 2007 Posted January 26, 2007 ok to start with your best to get a gravity feed spray gun much better to use. you need a compressor that won't be chasing it's tail in your case it's only a spoiler but you need at least 14cfm for a whole car...! once you choose your gun you can't really change between products Acrylic gun's wont flow 2pack there tip is too small and unless your good at spraying setting the flow will be much to great for acrylic using a 2 pack gun. I had a tip fitted so I can make a compromise. but it's not perfect. (most highfill primers require another gun) products... you can spray acrylic over 2pack but not the other way unless you use a isolator coat . acrylic primer, thinners,retarder,bog, high fill must only be used with acrylic. 2pack must be used with 2pack filler ,hardner,thinners,ect... Acrylic by far will be the easyest to work with any runs can be rubbed down in 20-30 min the drying time is quicker and it require's no hardners and dosen't need to be baked. 2pack requires higher temps to quicken the drying time giving it more chance to run or gather dirt. 2pack will give you gloss of the gun how you see it is how it drys,but it hardens up hence why bonnets and bumpers in 2 pack chip acrylic tends to flex. cost this may not be a problem but acrylic products for the amount you need will be cheaper. ps.... there was a clear product call "6min clear"by concept paints gives acrylic the same look as 2 pack thus you don't need to buff it. sorry if this post is scattered cheers anthony Quote
Toecutter Posted January 26, 2007 Author Posted January 26, 2007 much appreciated Anthony. Yes I got your PM. Thatsthe sort of basic info I was looking for as this will be a first for me but hopefully not a last. I have two cans of matched acrylic and seing its a flexible poly spoiler I'll stick to the acrylic! Excellent, so for the primer I really should buy a second spray gun? Can I buy a can of ready to go primer to suit acrylic paint in a pressure pack for this small job? Quote
anth Posted January 29, 2007 Posted January 29, 2007 ok the first thing you need to do is get the hardest green scourer like the one's you use for doing the dish's./parts cleaning rub the complete spoiler with this. The idea behind this is to "key" up the surface with little scratches,this allows the primer to adhere too. You must have no shiny parts of the spoiler otherwise the primer won't stick!.....you should see it dull off with little scratches then you clean the bumper with clean rag and prep solvent,this removes oils and any dirt your fingers and handeling may have left behind. once dried spray with a primer, can is fine just try to have long even coats eg spray the hard to get bit's first then use long even coats to prime the spoiler 2 choices of primer Highfill or primer. High fill is perfect for repairs with filler( BOG) or big scratch's I find KH brand(yellow) type very good for little jobs and it does come in a can. If your bumper is good, standard primer is good 2-3 coats allowing 10-15 mins between to flash off dry.(can be used through a std gun) Give it an hour after the last coat and never dry in the sun this include's top coat rub down with fine grade wet and dry until smooth it's good to use a cheap grade of acrylic top coat to spray over the primer eg Black this will guide you to how much and where you have sanded. make sure you dont rub all the way through to the spoiler and if you do dry the spoiler and touch up later once your happy allow the water to dry the longer the better as any moisture will come up later if the primer hasn't released it all. know clean again to remove fingure oils ect top coat by know you would have an understanding how your going to spray it eg procedure as it's the same technique as the primer. do not try and coat the whole spoiler in one hit you need to put a dust coat over the part. this is a light coat you will still see the primer ,do the hard bits first and build up the others parts to match,know when the spoiler look's uniform and has flashed off dry spray the whole thing again . wet coat spray the hardest bits(shape) whilst these area's are still wet apply a coat long stokes to avoid over spray,then another coat not allowing the first to dry this should give you your gloss if at any stage you get runs primer/top coat allow to dry and wet and dry the marks/runs out allways use light even coats as heavy will always promote problems. I think that about it.......? Quote
sco_aus Posted January 29, 2007 Posted January 29, 2007 ^ | | What he said :D Awsome description mate. Quote
Toecutter Posted January 30, 2007 Author Posted January 30, 2007 That is a very informative description Anthony. Thanks. I was hoping to get it done by tommorrow but since I've been so busy at work just has'nt been time this week, still in the bloddy office now and it's almost 8pm. Looking forward to getting it painted up though! Ahrghh...I'm outta here, time to go home and surf the web for equipment! Quote
tattoo_ink Posted January 31, 2007 Posted January 31, 2007 hey gday, i dont mean to thread steal if i am but i found this site looking for paint colours thought it was of some interest ! www.magiccolors.net Quote
dave_hl Posted March 1, 2007 Posted March 1, 2007 I too am going to paint my front bumper, tomorrow probably, fix it tonight then paint tomorrow. Just a couple of questions: - I am getting acrylic custom matched paint, $30 for 500mills i think it was, he said it was $65 bucks for a cheapish touch up air gun as well. I think there are better deals around on guns? suggestions? Are gravity fed ones anygood? or is air compressor the way to go. (im in eastern suburbs) - Also he told me I don't need primer, just use wet 600 grit paper on the bumper then slap on the paint basically (its a fiberglass bumper). Is this correct? I'm pretty sure thats what he said, I don't know heaps about paint but i thought a coupla coats of primer were needed. cheers. Quote
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