Matt Risinger continues his deep dive into spray foam insulation, part two, sorting the genuine benefits from the marketing hype. He unpacks common myths—claims that foam pays for itself, blocks sound, or solves every building problem—and explains why cavity insulation alone doesn't guarantee air sealing. He covers the real risks of open cell foam in humid attics, addresses whether spray foam is banned in Europe (it isn't, though regulations are tightening), and shares practical hybrid approaches combining closed cell foam with other insulation types for cost and performance balance. 

This episode is a continuation of our discussion on spray foam insulation. If you haven't seen Part 1: "Spray Foam Insulation: Hype vs. Reality," be sure to watch it first for the full context: https://buildshownetwork.com/contents/8214

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