Paint is expensive, nearly $40.00 a gallon depending on the type of paint, the manufacturer and where you buy it. Any leftover paint should be saved because no matter how careful you are, there usually comes a time when you need to do a little touch up painting. When it comes to touching up, you want the same paint as the original paint and the best way to insure that you do is save any leftover paint.

Each container of paint is usually a custom mix. Even if you have the formula, there are no guarantees that the color of a new can will be an exact match to your previously paint. The best insurance for a perfect match is to save the leftover product.

How to save leftover paint:

There are several steps that can be taken to extend the life of your leftover paint. Caring for paint begins the moment you open the can. Here are some tips.
Before you start painting do all the preparations work of the area before opening the can. This includes assembling your tools, taping and placing drop cloths.
Paint stores do a good job of mixing the paint when you purchase it. Depending upon the quality of the paint, no stirring is necessary if it is used within 24 hours of purchasing.
Remove the lid carefully with a paint can opener. Most paint stores will provide them free of charge. Prying the can open with a screwdriver or other tool may distort the lid, making it difficult to create a good seal when you are ready to store the leftover paint.
Exposure to air is what makes paint harden due to evaporation. You should minimize the number of times you open the can. Do not leave it open while you are painting. It is best to pour a small amount of paint into a smaller paint bucket or roller pan rather than using the original paint can as a working bucket. Pour paint into a small container or roller pan.
Clean the top of the can and replace the lid. For a temporary cover use a shower cap, it will help keep the paint fresh.
If you are using latex paint and it is too thick, place it in a separate container before adding water to thin it. If you add water directly into the can, the remaining paint will spoil prematurely or mold will form. Always discard any paint diluted with water.
When you are done painting, insure that the paint can lid is clean so it will seal to prevent air from entering the can. Excess air will cause paint to dry prematurely. If you place a piece of plastic wrap inside the can on top of the paint before replacing the lid it will prevent a surface film from forming on the paint.
If the can is less than half full, transfer the remaining amount into a smaller container so there will be less air inside the can.
Insure that the can is sealed tightly by using a mallet to tap the lid closed.
Label the lid of each can of leftover paint with the name and number of the formula and where you used the paint.

That is all there is to it. Saving unused paint will save you money from having to buy more paint when it comes time to do a little touch up painting.

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