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Can expanding foam insulation be used around my basement rim joists for air sealing today or is there a better product for fire safety?

ChatGPTgpt-61 query11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Can expanding foam insulation be used around my basement rim joists for air sealing today or is there a better product for fire safety?
1 real search · 1 real-search pass
rim joist insulation spray foam fire protection thermal barrier code mineral wool air sealing guidanceGoogle ↗
OBSERVEDInstruction

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (1)
Short factOther / navigationalComparisonConsequenceReasonDefinitionInstruction100%Yes / no

Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT1 real searches · gpt-6
rim joist insulation spray foam fire protection thermal barrier code mineral wool air sealing guidance Google ↗

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
rim joist insulation spray foam fire protection thermal barrier code mineral wool air sealing guidance
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1