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How do I prep a bouncy plywood subfloor so my new ceramic tiles do not crack during my first home renovation

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How do I prep a bouncy plywood subfloor so my new ceramic tiles do not crack during my first home renovation
2 real searches · 1 real-search pass
TCNA ceramic tile plywood subfloor deflection L/360 second layer plywood cement backer board installation guidanceGoogle ↗
OBSERVED
James Hardie HardieBacker floor installation plywood subfloor joist spacing instructionsGoogle ↗
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 ceramic tile plywood subfloor deflection L/360 second layer plywood cement backer board installation guidance Google ↗
James Hardie HardieBacker floor installation plywood subfloor joist spacing instructions Google ↗
  1. FLOOR INSTALLATION · assets.ctfassets.net
  2. How to install Hardie® Backer Board on floors · jameshardie.com
  3. SUBSTRATE CONDITIONS · cdn-global.laticrete.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
TCNA ceramic tile plywood subfloor deflection L/360 second layer plywood cement backer board installation guidance
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
James Hardie HardieBacker floor installation plywood subfloor joist spacing instructions
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1