Real ChatGPT answer · index seedmmryPywzmrUcompleteHome services and improvement · roofinginformational

Can a retrofit metal roof system be installed directly over existing asphalt shingles without compromising the structural load limits of standard roof trusses?

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

The searches the AI actually ran for this prompt.

SEED QUERY
Can a retrofit metal roof system be installed directly over existing asphalt shingles without compromising the structural load limits of standard roof trusses?
2 real searches · 1 real-search pass
metal roof installation over existing asphalt shingles structural load truss dead load building code reroof requirementsGoogle ↗
OBSERVEDInstruction
International Residential Code reroof existing roof covering asphalt shingles metal roof structural loads R908Google ↗
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). 1 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
metal roof installation over existing asphalt shingles structural load truss dead load building code reroof requirements Google ↗
International Residential Code reroof existing roof covering asphalt shingles metal roof structural loads R908 Google ↗
  1. CHAPTER 9 ROOF ASSEMBLIES · codes.iccsafe.org
  2. 2018 International Residential Code (IRC) · codes.iccsafe.org
  3. Does your Product Meet Code Requirements · metalconstruction.org
  4. CHAPTER 9 ROOF ASSEMBLIES · codes.iccsafe.org

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
metal roof installation over existing asphalt shingles structural load truss dead load building code reroof requirements
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1
International Residential Code reroof existing roof covering asphalt shingles metal roof structural loads R908
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1