Paste and powder paints should be mixed in quantities sufficient for immediate use only, as these materials often become unfit for application if allowed to stand for three or more hours.
By far, the most important characteristic in determining whether you are Warm or Cool is your hair color. If you can't determine your exact eye or skin tone, then your hair color will provide the answer. Why? It frames your face!
Now that you have primed the airless, make sure that there isn't a tip in the gun of the airless and bring it over to the empty bucket. Since there is typically cleaning solution in the hose leading to the gun it is a good idea to spray that out until you see thick paint coming out. Once you have thick paint coming out you may put your tip back in. Remember that the tip will have an arrow on one side of the handle that shows which direction it must be in, in order to spray.
The area covered by a gallon of whitewash depends upon the nature of the surface, but ordinarily a gallon will cover about 225 sq. ft. on wood, about 180 sq. ft. on brick, and about 270 sq. ft. on plaster. The formulas mentioned will make from 10 to 14 gallons of whitewash. If a smaller quantity is desired, the amount of each ingredient should be reduced proportionately.
Special paints have been innovated from different consumer insights and brilliant paint technology that allows specific paints for specific needs.
The reality is that the guys shooting paint, even at the cheapest shops, know how to do it. They spray a dozen cars a week and have plenty of practice laying down smooth, consistent coats of paint. They work quickly and efficiently because they have to or they don't make money. They don't really make their money on shooting paint. They profit from body work because it takes time and insurance work because it pays well.
Now that you determined whether you are Warm or Cool, the next step is to determine whether you are Light or Deep. Once again, your eyes, skin tone and hair color are the most important factors in determining whether you are Light or Deep. Eye color is determined by whether your eyes are on the darker side or lighter side. If your eyes are light blue or green, then you are Light. If your eyes are dark brown or black then you are Deep. To determine your skin tone think of the following: if you are Light, your skin tone does not tan well and you either have fair skin or porcelain skin. If you are Deep your skin tone tends to tan well, think of a rich complexion.