Does anybody have a recommendation on where to get equipment to do foam
insulation? Polyisocyanurate would probably be best, but I'm open to
other foams. I would use it to retrofit older houses that currently just
have nothing but cavities in the exterior walls. Ideally, I'd like a
setup sized for a small contractor.

I'm in Kansas City, and it would be nice to have a supplier here, but I
expect the company would be outside of this area.

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