I don't post on this site very often due to computer limitations, but would like to share an experince with this skin problem.
A co-worker with my DW had severe eczema/psoriasis (not sure which) and was using steroid cream that was not working. My DW gave her a bar of soap made with Birch...
I'm new to this forum also; one reason I joined was to responsd to your construction project.
I've been working on bridges for 25 years now and know a little about concrete. Not familiar with ICF 's, but the concrete roof is something that needs some carefull thought.
How thick does the roof...