THE HEART of PAINTING

Anyone can paint a car. The bodywork and dent repairs and swinging of hammers all require a little more expertise and patience, but painting  is fun... and easy. 

Here are the most basic things you need to know:  How To Paint A Car Expert Tips

1. Before doing anything else, wash the car with soap and water. This removes road salts and bird droppings and other water soluble things that you don't see. It's pleasant to eat from a clean plate at dinner, but critically important to have a clean surface to paint. 

2. Use a wax/grease remover with PAPER TOWELS (which are not a fire hazard when you throw them in the trash ... cloth is a fire hazard ... use paper towels!!!). Commercial removers are wonderful. You can also use liquid charcoal starter or house paint type mineral spirits ... these all work to remove crayon marks from things the kiddies decorated too ... because they are wax and grease removers ... crayons are wax. 

3. Now it's okay to sand something if you need to make it dull. NOTICE THAT SANDING IS STEP #3 AFTER YOU REMOVED THE WAX AND GREASE- otherwise, you  will drive wax and grease into the surface. 

4. Ground the frame of the vehicle. Find the chassis frame under the car or truck and attach any size wire to the frame and the other end to something grounded (or "earthed" if you're British,) so the static electricity can get around those pesky rubber tires on the car. The static makes the dust jump up off the floor into the paint job. Dust is quite lazy, so it would rather stay on the floor than jump up if you just get rid of the static. (Please note, my Lotus is a fiberglass bodied car, and skipped this step on this car- didn't seem to matter)

5. Make certain it is bone dry where you are going to paint. Helpful old souls will tell you to wet the floor down to keep the dust down ... say "Thank you for that idea," and then, whatever you do, DO NOT WET THE FLOOR IN THE PAINTING AREA. All urethane is moisture-cure material. Any humidity, fog, steam, cloud, water vapor, passing from the floor into the sky as it evaporates will pass through the spray mist from your spray gun. At the end of the spray gun, as you pull the trigger, the temperature of the paint drops many degrees Fahrenheit or Celsius, as you wish ... this cures some of the paint before it ever hits the car!!! "Gee, I got a lot of dirt in my finish ... duh. " No, actually, you PUT A LOT OF "DIRT" IN THE FINISH. DRY! DRY! DRY! Always paint in a dry place. 

5A. PUT UP PLASTIC WINDSCREEN if you are outside in a car port. Yes, you can actually paint outside. You could paint in your driveway , but you might have little mites and flies in your paint (although you could sand and remove these to a certain extent). I actually painted in my car port open on one side. Take a little extra time and put up that plastic sheet to keep out that little bit of wind.

5B. TAKE YOUR TIME MASKING the parts of the car you don't want to paint. This is a relatively unexciting portion of this job-- but its the difference between a crummy MAACO paint job, and a really fine looking precision job. Remember, spray will go EVERYWHERE you don't cover.

5C. USE PREMIUM BODY PUTTY. Okay, we shall assume you've had some good advice about the body work. Other than this, use the best urethane 2 part epoxy catalyzed body putty you can buy for patching . It is a million times easier to sand, doesn't shrink, and is much harder than the cheapo Bondo or other stuff out there (good lord DON'T USE BONDO- it SUCKS!!) , and dries almost instantly. You will have to go to a specialty auto paint shop for this. I used RAGE GOLD at about $30+ a gallon. It was worth it. Try: http://www.sherwin-automotive.com/products/show_product.cfm?product=29779&cat=37  if you can't find it locally.

6. After enough base color has been applied to cover whatever you're painting (10-15 minutes between each color layer), let the last coat air out (dry) about 30-90 minutes (but never no more than 60-90 minutes) before applying the clear coat.  Allow 10-15 minutes between each clear coat, applying at least 3 coats of clear.

7. UPDATED JULY 31,2007 URETHANE bumpers  DO NOT REQUIRE a flexing agent. Standard urethane paint (as I recommend)  is plenty flexible itself, and essentially the same material as these bumpers. HOWEVER, it IS recommended that you use an ADHESION PROMOTER (available from your car paint dealer) so that the paint sticks well to plastic surfaces, which is essentially a plastic primer.

Even dealers and pro paint shops will skip this step to save labor-- big mistake.

The problem is, each paint manufacturer differs in how/when and to what coats the flexing agent is added- so TALK TO YOUR OWN PAINT SUPPLIER if you are doing a urethane bumper, to obtain the correct information as to when you add the flexing agents.

8) Filter the paint as you pour into the paint gun cup using one of those cheap mesh disposable cone filters (usually the paint dealer will give them to you free). I HAVE painted without the small cartridge final filter inside the gun, as it tends to clog the gun, and I haven't had any problems from doing so.

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BASECOAT/CLEAR COAT

In the mid 1980's, cars and trucks were being made with thinner and thinner steel bodies to reduce the curb weight of the vehicles. Everything that could be done to get better gas mileage was being done. 

By folding and creasing metals, the same strength could be had without having to carry around the extra weight.

The technology of building cars and trucks that fold up around you if you have an accident also changed the way vehicles were built. 

It had become time to create a paint system that was flexible enough to expand and contract with the new thinner metals and plastics as the temperature expanded and be flexible enough to stay with the car door when you lean on it and push it in. 

The entire automotive industry adopted acrylic urethanes. These sprayable plastics have all of the flexible properties to stay on the car. They don't fade. They can be driven into whatever the weather presents them at 83 miles per hour and come out as good as before. 

We technology of applying paint changed at the same time. People wanted cars and truces with pearls and fancy metallics. In the "good days" the car painter knew how to adjust the color of the metallics by how much thinner, how fast the thinner evaporated, how far kinds of things to do to change the color. 

Except most of the time, the repainted fender still didn't look quite like the original finish- there were too many variables. 

Because the  OEM'S, original equipment manufacturers, had begun putting the color  on first and then putting clear over the top, it had become time for the refinish paint companies to make a product that would match the OEM finishes. 

Welcome to the wonderful world of chemistry. 

When you pull the trigger on your spray gun, fluid suddenly comes out of the gun as the needle is pulled back. The fluid suddenly out of the front has a lot of space to accelerate into. 0 to 60 in less than a second flat. Is that street legal? This rapid change in volume makes the fluid become very cold very quickly.

Understanding this sudden coldness, the chemical engineers at the automotive paint companies added a product to the basecoat colors that has lots of names: stabilizer, basecoat fixe, reactive reducer, etc. Everybody's product is a trade secret and they're all the same. 

By using a "bulky" hydrocarbon, sometimes called alkane or paraffin or wax, in the paint coating, when the trigger is pulled, a temporary electrical charge makes static lines run across the paint surface. 

While the paint is wet, the tiny electrical charge forces the metallics or pearl micas to arrange themselves in rows and columns just like a checker board. All you have to do is point the gun at the car and the color will become the correct color. 

It's amazing isn't it? 

And the stabilized or fixed paints can be used for a very long time as long as no hardener has been added to them. They cover like a blanket. Usually three coats only a few minutes apart and the whole car is covered. 

After about twenty minutes or so of dry time, the color is ready for the shiny top coat. You'll want the clear on top too, because when the color dries it it's as flat as asphalt. Dirt flat! We’re talkin' flat here! 

The first coat of urethane clear is applied over the top of the color. As you come back around the car, it looks as if you didn't spray the clear on it. It's almost flat again! 

That first coat sinks down into the color and makes it hard and flexible and what will finally make it dry. It just sucks right into the colored pigment and marries itself into the whole coating. 

This means, of course, that you don't want to hose the color on just because you have it in the gun. As soon as the color has covered, quit putting it on the car. Geez! You don't keep drilling for oil after you have it coming out of the ground! The clear is only going to go in so far and then it quits, so don't expect it to harden 15 layers of paint! 

It usually takes three coats of clear to make shiny happen. You've seen that bumper sticker? SHINY HAPPENS. But it doesn't happen in the first coat! 

Anyway, that's all there is to it. It's so easy. 

If you get a run in the clear and don't notice it enough to take it out while you're painting, you can color sand and buff the finish later without screwing up the metallic or pearl or color. 

A few pointers: 

1) Urethane is moisture cure. Once the hardener or catalyst or activator (all the same thing) is added to the clear, the CLOCK IS TICKING. Whatever you don't use today will NOT be okay to use tomorrow! 

2) Your Painting area needs to be bone dry. Any moisture evaporating up from the floor will pass through the space at the end of the spray gun... remember the spray gun? When you pulled the trigger, the pain/clear got real cold? The evaporating moisture from the floor turns some of the hardener into plastic beads on its way to the car. Geez! I got a lot of dirt in my finish. (Nope! You put a lot of “dirt” in your finish.) This doesn't hurt the paint and the paint store dudes win love you because you'll spend extra bucks buying sandpaper and compound to make SHINY HAPPEN. 
 

3) To avoid the problem in #2 above, ground the frame of the car to a metal conduit or water pipe or the ground wire under your electrical box. Ask your friends at ALLEN PAINT. They'll be happy to tell you how this is done. 

4)  Remember to ask about how to remove runs and sags while the paint is wet, so you don't have to do so much rubbing and compounding after the paint job is dry. 

5) If you haven't done any or a lot of previous painting, pick a LIGHT SOLID COLOR to paint your vehicle. Darker colors, and especially metal flake colors will show mistakes or less than perfect body work much more than a light solid color (like white, or other light color). A light color will be more forgiving. 

6) We hope you have found this useful and informative. If you have any questions about paint and paint applications Allen Paint (Denver, Colorado) is available 7 days a week. 

Neil’s IMPORTANT EXTRA Notes for How To Paint Your Car 

A) Sherwin Williams Automotive Urethane Paint is excellent stuff, and a fraction of the price of overpriced PPG brand paint. Same quality at Sherwin Williams, but minus the total rip-off pricing of PPG. Plus the guys at Sherwin Williams (at least in my town) were WAY more helpful.

B) DON'T - DO NOT pick your paint color from one of those little paint chips in books. They are totally deceptive. You absolutely cannot gauge what an entire car will look like from one of these little one inch squares. Find a car- a whole car- that is the color you like. Get the paint COLOR CODE from the inside of the drivers door jamb plate if necessary. Are you paying attention here? Good.

C) You CAN paint your car in a paint booth or at home in your driveway or car port.  Hurray! Yep, that's what I did, and the results were great. The key is, don't paint in a lot of wind (duh). Cover anything you don't want paint on. Final sanding can be with 250 grit if you use a sealer (see Allen Paint for details), or finer if you don't use a sealer, say, 400 grit by hand. Otherwise, sanding marks will show.

D) The best deal I found on a spray gun and compressor was at Home Depot, Husky brand HVLP GRAVITY feed gun 6 CFM (cubic feet per minute), $79; and a Husky 5 hp 13 gallon tank compressor that will handle that gun; $199. Don't get cheaper than this or problems may occur. If you borrow equipment BEWARE it works perfectly. !!  You can get a smaller compressor (2hp) and get by, but it means waiting for the tank to fill with air, and you can't spray the whole car without stopping and waiting for the pressure to rebuild. In this case, bigger compressor is better. Yeah you can use a smaller one, and my friend Vic has painted amazing paint jobs on Lotus cars with a 2hp 12 gallon set up, but even he said, easier with a bigger set up. HVLP gravity feed (paint cup on top) guns are state of the art, and use a fraction of the paint the old kind of guns use- don't get any other kind.

E) Paint your car this way, and the paint will last 25 years. By then, we'll all be riding bicycles again.

If you are considering why "Should I learn how to paint my car?", you may or may not have looked at all the reasons why and why not you should learn "how to paint your car." So, if not, here is what I will share with you that comes from years of experience as a do-it-yourself kind of guy, who also can show you how and why to paint your car.

1) You will save money.

I don't know about you, but my guess is that you simply would rather learn how to paint your own car, and invest a little elbow grease (but please keep it off the paint and off your car), and save a ton of money, or even just a few hundred dollars. Of course, you can take your car to the inexpensive painting shops, and for a few hundred bucks they will slap some paint on your car, and it will look OKAY, Mabye very good if you get someone who really cares about the job they are doing. But I've heard some horror stories as well. You get what you pay for. And maybe it will look a lot worse than you thought it would if you get somebody with a hangover that day.

You can always do the body work yourself, and have a budget shop doing the spraying, after you do all the masking, and after you say your prayers..... this has been known to produce good results.

Depending on whether you do an entire car, or just parts, there is considerable money to be saved by doing the paint work on your car by yourself over a day or two. If you are doing a fair amount of repair work before you paint, you will save a TON of money. Repair and body work is the most expensive part of painting, and to have someone do this on your car for you, will be very expensive. Please note, my manual and DVD explain car body work as well as painting your car.

2) It is better for the environment.

Not obvious right away, but if you follow my instructions for SMART clean up, you will know exactly what happens to the waste paint, solvents and chemicals. How many companies really care about the environment as much as you do? How many will take the simple steps to minimize environmental impact as you can? BY painting your self, you can do EXACTLY what it takes (easy) to minimize environmental impact, as opposed to a big corporate $$$$ commercial company that cares more about the bottom line than you do as you paint your car and try to keep the earth clean.

3) Its fun!

I have been writing books an brain and behavior science for twenty-five years, even before I started showing people how to paint your car-- and there is one thing I have really learned--- there is nothing more enjoyable than creating something yourself, and then looking at what you have accomplished. It is the greatest pleasure, and something you can predictably do over and over. As you learn how to paint your car, your brain will instantly reward you as expand your skills and knowledge- not only about paint and car work, but in understanding how to do something efficiently, effortlessly (to a degree!), and enjoyably. You can then apply this same method that you used to paint your car, to any other kind of project you have.

I have been a teacher for THIRTY FIVE YEARS. There is a fun and efficient and proper way to teach and learn, and there are a million bad ways that are overly complicated, no fun, and simply bad technique. In the world of "how to paint your car", there are plenty of REALLY BAD methods and sites out there. I have taken my 35 years of a teacher and applied it to this: how to paint your car. I have eliminated all of the anal retentive qualities seen so frequently elsewhere, and given you the pure essentials, and you can paint your car without getting buried in irrelevant dweeby facts. We are painting a car here, not doing brain surgery!!

4) It is not difficult.

Well, looking at other sites that try to show you how to paint your car, you would never know this. My own teacher (who did not teach how to paint your car to anyone except his closest friends), regularly repaired and painted the MOST EXPENSIVE CARS MADE-- Ferraris, Lambos, Lotuses, as well as inexpensive daily drivers. As a teacher, I know there is a very fine line between showing someone the essentials to painting a car, and showing either too little or too much. I know you will find exactly the right BALANCE to learn how to paint your car HERE-- and that's why I've posted so many TESTIMONIALS.

Further, you don't need a paint booth-- you can paint in your garage, a car port, even in a driveway or parking lot. In fact, painting outside is better than painting in an enclosed area in some respects for a DIY home painter since it increases the amount of fresh air in the painting zone-- better for your health. (Granted, you don't want things floating into your paint!)

So there you have it!  Okay now-- learn how to paint your car and ENJOY yourself, and ENJOY your fixed up car!- Neil

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