How to paint a chalkboard wall

Well, if you have ever done any painting you know rule number one it is all about the prep!
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• So first make sure you have a clean wall.
• Second, tape off the area that is going to be your chalkboard wall. I have always gotten the cleanest lines with green frog tape. Just make sure you "seal" the edge (I've used rulers, and credit cards in a pinch), and remove the tape S-L-O-W-L-Y. Otherwise you can pull the original paint off the wall. Why yes, yes I have done this. 
• Third, check out your surface. If it has any sheen to it, you are going to want to prime your wall in order for the chalkboard paint to adhere to it better. I like Kilz brand but I am sure anything will do.
• Fourth, roll on at least THREE coats of well-shaken Rustoleum brand Chalkboard paint. Wait for the paint to dry between coats. Yes, patience is a virtue, that's why it is second rule to painting. Once you get that third coat on you can slowly begin removing your tape. 
• Lastly, wait at least 24 hours before you begin working on your wall. I have found that when you let it dry fully, erasing in the future is much easier.

That's it! Have fun!

My favorite primer and paint. Always make sure you have then shaken before leaving the store!