Real ChatGPT answer · index seedj2pmdbsr6yIcompleteHome services and improvement · flooringcomparison
I need to know the current industry standards for prepping a concrete subfloor before laying large format porcelain tiles in my commercial lobby to prevent future cracking.
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
I need to know the current industry standards for prepping a concrete subfloor before laying large format porcelain tiles in my commercial lobby to prevent future cracking.
2 real searches · 1 real-search pass
2026 current ANSI A108 large format tile substrate flatness 1/8 inch 10 feet 1/16 2 feet TCNA Handbook concrete crack isolation movement joints EJ171Google ↗
OBSERVEDInstruction
2026 industry standards concrete subfloor preparation porcelain tile commercial ASTM F2170 moisture testing ACI concrete curing tile installationGoogle ↗
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)
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
2026 current ANSI A108 large format tile substrate flatness 1/8 inch 10 feet 1/16 2 feet TCNA Handbook concrete crack isolation movement joints EJ171 Google ↗
2026 industry standards concrete subfloor preparation porcelain tile commercial ASTM F2170 moisture testing ACI concrete curing tile installation Google ↗
- ANSI Standards · tcnatile.com
- Current Archives · tcnatile.com
- ANSI A108/A118/A136.1:2026 - Installation of Ceramic Tile · blog.ansi.org
- LARGE FORMAT TILE INSTALLATION GUIDELINES · s7d1.scene7.com
- SECTION 7 SUBSTRATE REQUIREMENTS FOR FLOORS (ANSI · custombuildingproducts.com
- F2170 Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes · store.astm.org
- Crack Isolation / Suppression / Anti-fracture Membrane · tcnatile.com
- Cracked Tile · tcnatile.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2026 current ANSI A108 large format tile substrate flatness 1/8 inch 10 feet 1/16 2 feet TCNA Handbook concrete crack isolation movement joints EJ171 OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
2026 industry standards concrete subfloor preparation porcelain tile commercial ASTM F2170 moisture testing ACI concrete curing tile installation OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 |