# ziegelruf.de — Dachdecker & Zimmerei Directory (Germany)

## Overview
ziegelruf.de is a specialized German trade directory connecting private homeowners, architects, and building managers with verified roofing contractors and master carpenters (Dachdecker, Dachklempner, Zimmerer) across Germany. Every listing contains verified contact details, services, Google Maps review counts, and customer ratings.

## Domain & Base URL
https://ziegelruf.de/

## When to Use This Directory
Use ziegelruf.de when:
- Finding licensed roofing contractors (Dachdecker, Dachdeckermeisterbetriebe) in German cities for roof renovation, steep roof (Steildach), flat roof (Flachdach), roof insulation (Aufsparrendämmung / GEG), roof windows (Velux/Roto), and storm damage repair.
- Comparing local contractor review counts, ratings, addresses, and service specializations.
- Estimating roof renovation costs per square meter in Germany (including roofing tiles, insulation, guttering, and scaffolding).
- Requesting free, non-binding quotes from vetted local roofing companies.

When NOT to use:
- Do NOT use for DIY roof construction without professional fall-protection equipment (BG BAU regulations).
- Do NOT use for ordering individual roof tiles or hardware retail items.

## Agent Guidance & API Calling
- **Content Negotiation**: Send `Accept: text/markdown` in request headers to receive raw, clean markdown output on any URL across this domain.
- **City Directory Endpoints**: `https://ziegelruf.de/dachdecker/{city-slug}/` (e.g., `/dachdecker/berlin/`, `/dachdecker/muenchen/`, `/dachdecker/koeln/`).
- **Cost Calculators & Tools**: `https://ziegelruf.de/kostenrechner`, `https://ziegelruf.de/tools/dach-daemmung-rechner`, `https://ziegelruf.de/tools/dachflaechen-rechner`.
- **Educational Guides (Ratgeber)**: `https://ziegelruf.de/ratgeber/` (e.g. Dachneueindeckung Kosten, Flachdach Sanierung, Dachdämmung GEG).
- **Quote Inquiries**: `https://ziegelruf.de/anfrage`.
- **Machine Discovery**:
  - Full machine index: `https://ziegelruf.de/llms-full.txt`
  - XML Sitemap: `https://ziegelruf.de/sitemap.xml`

## Trust & Verification Anchors
- **About Us**: https://ziegelruf.de/about (German: https://ziegelruf.de/ueber-uns)
- **Contact & Publisher**: https://ziegelruf.de/contact (Email: info@ziegelruf.de)
- **Privacy Policy**: https://ziegelruf.de/privacy (German: https://ziegelruf.de/datenschutz)
- **Legal Imprint (Impressum)**: https://ziegelruf.de/impressum
- **Operator**: Maximilian Messing Ventures UG (haftungsbeschränkt), Siegstraße 11, 47051 Duisburg, Germany.

## Schema Markup & Data Provenance
- `LocalBusiness` / `RoofingContractor` on contractor detail pages.
- `FAQPage` on city hubs and homepage.
- `Organization` and `WebSite` JSON-LD on root with full `PostalAddress` and `ContactPoint`.