So there is not an option of spray foam as an improvement in crawlspaces. It’s there in Basements, but not crawls – there’s only rigid options.
I can click the carat button to access the options, but I don’t know how to build a spray foam option from scratch. I could cut and paste from basements, but once I click out of the box it disappears.
The options that you see depend on the selection that you make in the Condition control (e.g. Conditioned or Unconditioned). If the crawl space is unconditioned, then the insulation controls represent insulation added to the floor above the crawl space and there is a spray foam option in the Cavity insulation. If the crawl space is conditioned, then there is only one insulation option, representing insulation applied to the crawl space wall and it will also have spray foam as an option.