Can you compare the reputation of GAF Timberline HDZ against CertainTeed Landmark shingles based on contractor feedback from this year?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can you compare the reputation of GAF Timberline HDZ against CertainTeed Landmark shingles based on contractor feedback from this year?
1 real search · 1 real-search pass
2026 roofing contractor feedback GAF Timberline HDZ vs CertainTeed Landmark shingles installers reviews forumsGoogle ↗
OBSERVEDComparison
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 (1)
Classes come from the query-classifier (a local Laya model).
Searches and sources
ChatGPT1 real searches · gpt-6
2026 roofing contractor feedback GAF Timberline HDZ vs CertainTeed Landmark shingles installers reviews forums Google ↗
- GAF vs Owens Corning vs CertainTeed (Contractor Comparison) · modernexteriorsystems.com
- GAF vs CertainTeed vs Owens Corning Shingles · leadersroof.com
- CertainTeed vs GAF Shingles | Paragon Roofing BC · paragonroofingbc.ca
- Certainteed or GAF Timberline UHDZ? · reddit.com
- Shingle Brand Preference · reddit.com
- Reviews for GAF Timberline HDZ Shakewood Algae Resistant Laminated High Definition Shingles (33.33 sq. ft. per Bundle) · homedepot.com
- Reviews for GAF 0487750 · lowes.com