Real ChatGPT answer · index seedI8Ep0Joh6HMcompleteHome services and improvement · flooringcommercial

How do I determine if my existing subfloor deflection meets the L/360 standard required for large-format natural stone and heavy porcelain tile?

ChatGPTgpt-62 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How do I determine if my existing subfloor deflection meets the L/360 standard required for large-format natural stone and heavy porcelain tile?
2 real searches · 1 real-search pass
TCNA handbook deflection L/360 porcelain tile L/720 natural stone subfloor joist deflectionGoogle ↗
OBSERVED
Natural Stone Institute dimension stone design manual L/720 floor deflection tileGoogle ↗
OBSERVED

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.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
TCNA handbook deflection L/360 porcelain tile L/720 natural stone subfloor joist deflection Google ↗
Natural Stone Institute dimension stone design manual L/720 floor deflection tile Google ↗
  1. Deflection · tcnatile.com
  2. Stress cracks in floor · tileletter.com
  3. Meeting the required L/360 · tileletter.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
TCNA handbook deflection L/360 porcelain tile L/720 natural stone subfloor joist deflection
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Natural Stone Institute dimension stone design manual L/720 floor deflection tile
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1