This quick video shows you how to set up a sticky header and / or menu bar, or nav bar with Dynamik Website Builder. It should work on other Genesis child themes, but I have not tested it yet.
It is a two part process, the first being to install and activate the free Sticky Menu (or Anything!) on Scroll plugin available on the WordPress Plugin Repository:
Use the instructions in the video to correctly set up this plugin.
Then add this code to Genesis > Dynamik Custom > Functions: