Air tightness can be established in homes independently of whether spray foam insulation is used; high-performance builders who use foam typically do not rely on foam as their primary air barrier, instead using intentional air sealing strategies.
factualpending
Speaker
Scott TrueEvidence Quote
“if you can establish air tightness which by the way when High Performance Builders build they will establish their air tightness even you know before the insulation even if they're using foam because usually High Performance Builders are not relying on foam for air tightness”
Created: 8/13/2026, 7:44:04 AM
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