Spray Foam 101
Attic insulation in the Ozarks: on the floor, or on the roof deck?
Two defensible assemblies and one common way to waste money. Which one your house wants comes down to a question most quotes…
5 min read
Sep 20, 2026
Springfield Foam · Field notes
Spray Foam 101
Everything we have written under Spray Foam 101.
Spray Foam 101
Open-cell vs closed-cell spray foam: how to actually choose
Not a quality question, an assembly question. R-value per inch, how each one handles water, what it does to sound and structure,…
6 min read
Sep 20, 2026
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