Spray foam for top of foundation wall – any compelling reason for two-component vs one-component?

I need to cover the exposed top edge of the concrete foundation walls with an air barrier / insulation (~R5) that can easily tie into the closed-cell spray foam that… I need to cover the exposed top edge of the concrete foundation walls with an air barrier / insulation (~R5) that can easily tie into the closed-cell spray foam that…Read MoreGreenBuildingAdvisor