SAREI Haus- und Dachtechnik GmbH is a German supplier of products and systems for roofing and building exteriors. Based in Grüna, the company serves both trade customers and home improvers, offering product information, price searches, catalogues, dealer contacts and planning tools through its website.

Its range includes roofing materials, roof and façade systems, wall coping products, roof drainage components, edge profiles, window sills and chimney products. SAREI also offers sheet-metal roofing and gutter products, profiled sheets for homes and gardens, chimney caps and pigeon deterrent systems. For trade customers, the company provides sales displays and shelving examples, including compact and heavy-duty display options. Home improvers can use dealer search and dedicated contact information to help find products and support.

SAREI provides online planning tools for roofs and window sills, as well as product finders and installation guidance. The company publishes news and event information and offers customer support by phone and email.