Are DIY spray foam insulation kits a viable option?
DIY Spray Foam Insulation: An Intro - Titan Applicators
Spray Foam Decor Is Having a Moment Among Designers and DIY'ers | Architectural Digest
Froth-Pak 620 Spray Foam Sealant Kit, 30 ft Hose. Low GWP Formula. Seals Cavities, Penetrations and Gaps Up to 4" Wide. Yields Up to 620 Board ft. Two Component, Polyurethane, Closed Cell - -