Real ChatGPT answer · index seedbghFzR8A450completeHome services and improvement · flooringinformational

What is the recommended psi rating for cementitious backer boards when tiling a curbless walk-in shower pan over a wooden subfloor?

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

The searches the AI actually ran for this prompt.

SEED QUERY
What is the recommended psi rating for cementitious backer boards when tiling a curbless walk-in shower pan over a wooden subfloor?
2 real searches · 1 real-search pass
cementitious backer unit compressive strength psi ASTM C1325 shower floor wooden subfloor manufacturer installationGoogle ↗
OBSERVEDInstruction
curbless shower pan wood subfloor cement board installation requirements deflection slope waterproofing manufacturerGoogle ↗
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 (2)
Short factOther / navigationalComparisonConsequenceReasonDefinitionInstruction100%Yes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
cementitious backer unit compressive strength psi ASTM C1325 shower floor wooden subfloor manufacturer installation Google ↗
curbless shower pan wood subfloor cement board installation requirements deflection slope waterproofing manufacturer Google ↗
  1. Curbless Showers · assets.schluter.com
  2. Curbless Showers · assets.schluter.com
  3. Considerations For Curbless Showers with TJI Floor Systems · techsupport.weyerhaeuser.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
cementitious backer unit compressive strength psi ASTM C1325 shower floor wooden subfloor manufacturer installation
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1
curbless shower pan wood subfloor cement board installation requirements deflection slope waterproofing manufacturer
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1