The color code is sometimes also included on the driver’s side door frame, in the same spot where the tire pressure recommendations are listed. If you’re looking to paint your roof a different color—black is a popular choice, for instance—go ahead and pick out any color you like! You can also buy color-matched auto paint from several online retailers. Enter your car’s make, model, year, and paint code to order the paint. In addition to “rattle cans” (spray cans that rattle when you shake them) of color-matched automotive paint, you’ll also need rattle cans of automotive primer and automotive clear coat finish.
For even greater protection than your long sleeves and pants can provide, put on a disposable full-body protective suit with a hood.
At the very least, keep the main garage door and another exterior door or window open. For additional ventilation, set up fans to both draw in and exhaust air. You’ll also need to put up lots of plastic sheeting to protect your stuff from paint overspray. If you need to paint out in the open, set up a canopy tent over your car to protect your work from sunlight, raindrops, leaves, twigs, and so on. [4] X Research source
Don’t apply any wax—you need to remove as much wax as possible before painting!
Whether you’re using a sanding block or a metal grinder, make small circular motions to remove the rust.
You’ll get the best paint job by sanding down to bare metal, but that isn’t really necessary when painting your roof with a rattle can. Just aim to sand off all the existing clear coat finish. The entire roof should have a dull finish when you’re done. If you do sand down to bare metal anywhere, “feather” the paint surrounding it. Apply more pressure at the bare metal and less as you move away to smooth out the difference in paint depth. [9] X Research source
Mineral spirits, paint thinner, or denatured alcohol can be substituted for the degreaser. But choose only one and never combine products, or you may create dangerous fumes. [11] X Research source
If you have a sunroof, take your time and be sure to cover it completely. Press the tape down into the seams around the edges—otherwise you might paint it shut!
Adding multiple light coats produces superior results as compared to putting on a single heavy coat. Be patient! Practice your spraying technique now, so that it’s perfected when you add the color coats and clear finishing coats.
Sand very lightly here! The goal is to even out the primer and lightly etch it so it holds the finish coats better.
Wipe down the surface with a tack cloth after this first coat dries. In fact, use the tack cloth after each coat you apply from now on. [16] X Research source
Use the tack cloth again after the third coat. If you’re still not completely satisfied with the evenness of the coverage, go ahead and add a fourth coat.
It’s okay to add a fourth or even fifth layer of clear coat if you haven’t quite gotten the even, glossy finish you desire.