B+ motorhomes

I called Dicor. The woman said their lap sealant will stick to most anything but silicone. I think I'm going to lay a bead on top of what is already there and see how it goes. I'll clean the existing bead first though.

I'll keep an eye on the Dicor and if it fails because of the stuff underneath, I'll deal with it then. The way it would fail would be because of not being "necked down" as they call it, down into the seam.