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The GRUEN Story


Henry Gruen was an inventor, designer, and visionary of bathroom design. In 1946, he designed an easy-to-install comfort bathtub and received his first patent for it. Others followed for innovative bathroom elements such as mixing faucets or anti-slip floors. His solutions impressively demonstrate that Henry Gruen had both simplicity and safety for the tradesperson, and design and comfort for the user in mind. His story inspired us to create the GRUEN brand.

What Makes Us Unique?


As a developer and manufacturer, with high-quality design products that are consistently conceived for simple and quick installation, and through direct cooperation with the specialist tradesperson and specialist dealer, GRUEN offers genuine added value.


State-of-the-art production technology, a streamlined product range to cover all important requirements, and a focus on very targeted, informative marketing make GRUEN's solutions attractively priced for private users as well as for construction projects. This follows our vision: Design & Comfort for every bathroom.

Why Choose GRUEN?

We Are Passionate Developers and Manufacturers


Outstanding expertise in stainless steel processing and plastic technology backed by over 50 years of experience

Continuous innovation and unique solutions – often inspired by your ideas

High product availability and on-time delivery — within 24 hours if needed

We Live Design and Inspiration



Vibrant creativity and execution expertise from an experienced team of industrial designers, interior architects, and engineer

Modern, clean-lined design — on-trend yet timeless

Custom and project-specific solutions


We Love Smart Installation Solutions



Products are cuttable, adaptable, tested for safety, and suitable for versatile applications

Easy installation with significant time savings 

Comprehensive personal service — from product consultation to solution development and installation

We Make Premium Accessible



High-quality products at an attractive price

Competitive advantages for craftsmen and retailers through a compelling offering and a win-win business model

Project support and tailored proposals for architects and investors

The Team

S.Ömer Altunç

Interior Architect, Co-Founder

Anıl Ayvaz

Industrial Designer

Elvan Kuvvetli

Head of Sales Steering
Key Account Manager

Oliver Wachtel

Head of Sales & Product Management Europe

Mehmet Şengül

Field Service/Sales

Korhan Karaca

Sales & Operations Coordinator

Gülsüm Gürdal

Marketing Director

Over 50 Years of Experience


Behind GRUEN is the over 50-year history of its parent company, Evimetal in Istanbul, with outstanding expertise in stainless steel processing & plastics technology and decades of experience with shower drain and bathroom design solutions. The company is currently managed by the Altunç brothers. All three are architects & designers. Evimetal products have won national and international design awards. The company is a state-recognized Design Center. Millions of Evimetal's shower drains and profiles have been installed. Reference projects include top hotels and residential properties in Istanbul, Abu Dhabi, and Dubai.

Responsible Conduct


Sustainable action is our responsibility. Wherever possible, we use cardboard instead of plastic, for example for construction protection covers. We have deliberately opted for a very reduced packaging print using environmentally friendly ink and utilize recyclable, uncoated cardboard boxes. We also constantly optimize our manufacturing processes with regard to energy consumption.