UNIKA GmbH

About UNIKA GmbH

UNIKA GmbH, based in Rodgau-Dudenhofen, is a manufacturer of calcium silicate bricks and masonry products for the construction industry, the building materials trade and masonry construction. The group comprises several companies with a total of ten production sites in Germany, including Baustoffwerke Havelland in Oranienburg-Germendorf, UNIKA Kalksandstein West GmbH & Co. KG with plants in Haltern am See and Castrop-Rauxel, the Kalksandsteinwerk Krefeld-Rheinhafen, the Rodgauer Baustoffwerke, the Kalksandsteinwerk Wiesbaden, the Hessische Bausteinwerk Dr. Blasberg in Mörfelden-Waldorf and Ludwigshafen, and the UNIKA Kalksandsteinwerke Südbayern in Friedberg-Derching and Eching-Günzenhausen. For the masonry products, the company provides Declarations of Performance under the EU Construction Products Regulation, which are available via the DOPCAP portal. With its sustainability initiative UNIKA ecobluu and the labelling of calcium silicate bricks with digital product information, the company is actively engaged in climate protection and digitalisation. Vocational training is promoted at the sites with the company's own apprentice programmes.

Site

Rodgau-Dudenhofen

Processes

Declarations of Performance under the EU Construction Products Regulation (DOPCAP), Vocational training/apprentice programmes, Sustainability initiatives (UNIKA ecobluu)

Materials

Calcium silicate brick

Industries

Construction industry, Building materials trade, Masonry construction

1. 01

   Raw material extraction

2. 02

   Calcium silicate brick manufacture

3. 03

   Masonry products

4. 04

   Delivery to building materials trade

Materials

Locations

Inside the production

News and History

1. 2020

   Report: UNIKA calcium silicate brick and digitalisation – calcium silicate bricks with a “digital DNA”

2. 2021

   Report: UNIKA calcium silicate brick – sustainability, sustainable raw material extraction

3. 2023

   Apprentice day in Rodgau with more than 100 trainees; launch of UNIKA ecobluu “Solid and climate-friendly”

4. 2025

   UNIKA Kalksandstein Westfalen GmbH receives climate plaque; 125 years of the Federal Association of Calcium Silicate Brick Industry

5. 2026

   Successful apprentice day 2026 in Oranienburg-Germendorf