Real ChatGPT answer · index seedYxVjofxkEQscompleteHome services and improvement · flooringinformational

What type of decoupling membrane is necessary under porcelain tile when installing over a joist-supported subfloor with a 24-inch on-center span?

ChatGPTgpt-62 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
What type of decoupling membrane is necessary under porcelain tile when installing over a joist-supported subfloor with a 24-inch on-center span?
2 real searches · 1 real-search pass
porcelain tile uncoupling membrane 24 inch on center joists plywood manufacturer requirements DITRA XLGoogle ↗
OBSERVED
tile installation 24 inch joist spacing uncoupling membrane subfloor requirements TCNAGoogle ↗
OBSERVED

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Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
porcelain tile uncoupling membrane 24 inch on center joists plywood manufacturer requirements DITRA XL Google ↗
tile installation 24 inch joist spacing uncoupling membrane subfloor requirements TCNA Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
porcelain tile uncoupling membrane 24 inch on center joists plywood manufacturer requirements DITRA XL
OBSERVED
Google ↗
AI Mode ↗
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of 1
tile installation 24 inch joist spacing uncoupling membrane subfloor requirements TCNA
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1