 What you want to do is clean the house really well, power wash it perhaps, and then you're going to have to prime that siding. That's really important. Otherwise, nothing is going to stick. Exactly. So you need to do a primer coat. Okay. Well, what kind of primer? Well, you're going to use a primer that's designed to work with the paint that you select. So, for example, if you're going to work with the Benjamin Moore family of paints, you're going to use a Benjamin Moore primer coat.