{"citations":{"source_mix":{"company_owned":71,"independent":31,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":87,"partial":14},"total_sources":102,"unique_domain_count":39},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-10-02","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Bathroom Waterproofing and Tile Underlayment Specialists","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","google","openai"],"predicate":"final_consensus_rank","qualifier":"bathroom waterproofing","subject":"Schluter Authorized Dealer and Installer Network","unit":"rank","value":2},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","google","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Schluter Authorized Dealer and Installer Network","unit":"platforms","value":3},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-10-02","platform_support":["kimi","perplexity"],"predicate":"final_consensus_rank","qualifier":"bathroom waterproofing","subject":"Mustache Approved Remodeling","unit":"rank","value":3},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-10-02","platform_support":["kimi","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Mustache Approved Remodeling","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":1.3333333333333333,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":2,"name":"Schluter Authorized Dealer and Installer Network","platform_mentions":3,"platform_share":0.42857142857142855},{"average_rank":2.5,"best_rank":1,"entity_id":"entity-002","entity_type":"company","final_rank":3,"name":"Mustache Approved Remodeling","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeimprovementconsensusindex.com/datasets/bathroom-remodeling/bathroom-waterproofing.json","page_url":"https://homeimprovementconsensusindex.com/bathroom-remodeling/bathroom-waterproofing","report_type":"best_of_index","study_id":"HICI-STUDY-73FBA5BA4995","title":"Best Bathroom Waterproofing and Tile Underlayment Specialists (2026)"},"limitations":["Exactly 7 platforms were included in this run: openai, anthropic, deepseek, grok, perplexity, kimi, google. The configured source value 7 is provenance only and must never be described as the number of platforms studied.","The finalrankingtable is the sole authority for rank, platform mentions, platform share, average rank, and best rank. Ignore any conflicting value embedded in a entity evidence bundle.","The Consensus Ranking table must contain exactly one row per finalrankingtable entity, in that order, using that exact entityname. Never split one ranked entity into two product, model, SKU, or product-line rows, and never add another ranking row for a brand already listed. Put recommended products or plans inside that entity's ranked section.","Platform mentions count only ranking-discovery mentions. Do not substitute the number of platforms that later completed a fit assessment.","Citation IDs inside each entity bundle are local to that entity. Consolidate sources by URL using the supplied source catalog.","The URLs were collected from platform responses and were not independently validated by either writer stage.","Each fitreviewurlorplaceholder is the final site-relative CMS path for that entity's review. Link the entity name to that exact path exactly once in its ranked prose section, outside tables and headings. Never replace it with a run ID, report ID, UUID, or local output path.","Use the exact entity-namespaced citation IDs from the source catalog (e.g. e1:); never transfer a citation between entities."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Home Improvement Consensus Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-10-02 23:09:43.390519+00","research_date":"2026-10-02","source_snapshot_sha256":"2ea65faeb9dce022b3871222ee65b07865b1a41e1604b691807c3ae244726f63","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":36,"qualified_finalists":2,"ranking_unit":"Bathroom remodeling contractor or installer"},"schema_version":4,"summary":"The consensus leader for bathroom waterproofing in this 2026 index is Schluter Authorized Dealer and Installer Network, named by 3 of 7 platforms (42.9% share) with an average listed position of 1.33 and a best position of 1. It is a manufacturer system and dealer/installer network rather than a single remodeling contractor, so the buyer still contracts with a local installer. The strongest alternative for a distinct buyer need is Mustache Approved Remodeling, named by 2 of 7 platforms (28.6% share), which offers one-contractor accountability for a full shower tear-out and rebuild in the…","target_buyer":"A homeowner whose previous bathroom failed through leaks or mould and who wants the substrate done correctly this time.","topic":{"base_category":"Bathroom Remodeling","category_criteria":["membrane and backer board systems","leak remediation","substrate preparation","project scope handled","waterproofing and tiling quality","fixture sourcing","timeline reliability","written estimate clarity","workmanship warranty","customer review strength"],"geography":"United States","slug":"best-bathroom-waterproofing-and-tile-underlayment-specialists","title":"Best Bathroom Waterproofing and Tile Underlayment Specialists","use_case":"bathroom waterproofing"}}