We at Day1 Wake will be prototyping our custom skim boards through the winter. They will likely use stronger foam (to avoid buckling) and be reinforced with a slightly heavier glass schedule or carbon stringer. We will be sure to keep you updated out here. Once we give them a test ride and have video available, I will be sure to provide additional info for all of those super early adopters out there.
If you have questions, feel free to drop me a line!