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What is the exact minimum roof pitch required to legally install CertainTeed Landmark shingles without risking leaks during wind-driven rain?

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

SEED QUERY
What is the exact minimum roof pitch required to legally install CertainTeed Landmark shingles without risking leaks during wind-driven rain?
2 real searches · 1 real-search pass
CertainTeed Landmark shingles minimum roof slope 2:12 4:12 low slope installation instructions wind driven rainGoogle ↗
OBSERVED
2026 California Residential Code asphalt shingles minimum slope 2:12 underlayment 4:12Google ↗
OBSERVED

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.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
CertainTeed Landmark shingles minimum roof slope 2:12 4:12 low slope installation instructions wind driven rain Google ↗
2026 California Residential Code asphalt shingles minimum slope 2:12 underlayment 4:12 Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
CertainTeed Landmark shingles minimum roof slope 2:12 4:12 low slope installation instructions wind driven rain
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
2026 California Residential Code asphalt shingles minimum slope 2:12 underlayment 4:12
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1