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post #2 of (permalink) Old 20th February 2008
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Hi Rik,

It is possible to spray your bumpers at home, all depends if you're any good with a spray can!

I used to spray cars at home all the time, saved a fortune on getting it done at a sprayers and results were, most of the time, perfect.

There is a lot of work involved to get it looking good though, not just a case of getting a can of paint and spraying it on.

Firstly you can either remove the bumpers to spray or mask up the surrounding areas, I find removing parts gives a better finish, as you can move then around to spray, and if you can take them indoors even better as alot of factors of weather will affect the finish, temp, dust in the air etc ect. If its too hot outside the paint will dry before it hits the surface giving a matt finish, if it's too cold the paint will discolour. If it's too windy you'll get more over you than the car! and obviously the slightest sign of rain is a big no no! If you can do it indoors it'll look allot better.

Get to you local motor factors or paint shop and pick up a few things, appart from the right coloured paint you will need some primer, if you're spraying onto plastic grey or white primer will do fine. You'll need plenty of wet & dry sand paper, ranging from very very fine, think like 1200 grit up to medium course say 600 grit. Get some scotch pads or scourers (the kind you use to wash your dishes!). Also pick up some panel wipe too, this is a solvent based stuff used to remove all grease and nasty bits from the item you will be painting. Also if your are using metalic paint you will need a clear laquer too.

First, give every thing a good wash, don't used a wax based shampoo as you don't want grease or anything on the surface, go over your bumper with a scotch pad just to rough up the surface a bit, if that doesn't work use a medium wet& dry paper, just need to give the paint a key or it won't stick. Not too rough though or the scratches will show through, you can always go over it again with a finer grit after. Forgot to mention, when using wet&dry, use it wet by dipping it in a bowl of water then rubbing down, remember keep it wet.
Wipe over the bumper with the pannel wipe and remove any grease other wise the paint won't stick and you'll see a spattered type affect.
next give the bumper a light coat of primer, not too much or it will run or take longer to dry. once dried get the finest grit wet&dry you have and give it a little rub over, not much you don't want to go back down to the bumper, just enough to give it a matt finish. repeat this until you have 3-4 coats of primer waiting for the primer to dry inbetween and finish off with a light rub down.
Wipe the bumper again with pannel wipe.
Now your ready for some colour. spray on a light coat of colour, wait to dry and rub down again, use the same process as the primer (spray, rub down) until you have say 5-6 coats of colour. if you're using a gloss paint there is no need to rub down the final coat, you're all done. Give the paint about 2 weeks to harden properly and give it a good wax. It should shine like new!

If you are using metalic paint, on the final coat of colour, give it a very very light rub down, not too much just enough to create a key for the laquer. The metalic paint will have a matt type finish once rubbed down but don't worry, it should feel very smooth if you run your hand over it, now spray on the laquer, give a few light coats of this, once dried the paint should have a very deep shine. Again wait 2 weeks to harden properly and give it a good wax.

Currently in Mikey's garage:
1996 Mazda MX-3 V6, a 2002 1.2 8v Fiat Punto active (the Wife's!) and a 1998 Suzuki GN 125. Used to own a 2002 Laguna II Dynamique 1.8 16V (Now Sold yey!)

Last edited by Mikey; 20th February 2008 at 12:46 PM.
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