DIADEM® A.P.P. Kft.
About the company
Our story
- 1995-03Founding of A.P.P. LLC
- 1997-09Transformation to A.P.P. LTD.
- 2000-03Founding of our second company in Germany: APP Dachgarten GmbH.
- 2013-03Launch of new DiaDrain® drainage board: achieving outstanding rainwater retention capacity
- 2013-07We won first prize at the Russian Imperial Gardens exhibition
- 2013-09Introduction of the DiaSafe® fall protection system to the Public
- 2015-09The DiaSafe® anti-fall protection system receives a Hungarian Product Grand Prize
- 2017-07The DIADEM® green roundabout was handed over in Győr
- 2018-04We opened our own showroom
- 2021-02A complete company organizational renewal began
- 2021-07Introduction of DiaWool®: stone wool layer that increases the water retention and reduces the burden
- 2022-03We founded our third company in Switzerland: DIADEM CH AG.
- 2022-05We started to renovate our office building for a family-friendly character. Our aim: DIADEM® Family.
- 2022-09We laid down the operational framework of the matrix-based, project-oriented TEAL organization
Office address
Győr, Fehérvári út 75, 9028 Magyarország, APP Kft.What makes our product special
Our product
DIADEM® greenroof, DiaSafe® fall protection system
We develop our built environment without destroying it. Focusing on sustainable development , we act in favour of our safe living space. We create sponge cities: we build rain gardens and green roofs to solve urban water management. During torrential rains, we store the water, in hot weather it returns to the natural cycle. The green roof cools in summer and heats in winter.
Our clients
Product video
Company values
Life with us
Appreciating each other!
Lightning round
- Sex ratio?
- 50-50 %
- Average age?
- 40
- Ties or shorts?
- Shorts
Trainings and workshops
We issue an annual training plan, we provide professional education and soft skill development trainings. In addition, special softwares, and high-quality electronic devices are available.
How can the employees affect the company’s life?
Every month we hold an Employee Gathering, where we report on the progress, and anyone can add their thoughts to what has been said in an interactive way. At the project meetings, we encourage the occurance of innovative solutions. Employees can submit their ideas anonymously: an idea box has been placed in the corridor, into which anyone can drop their own ideas.
Why we love our office
- Clear
- Modern
- Renovated
- Well equipped
- There is a common dining room
- Regular birthday cake
- Tidy
Office photo
What would I miss if I left
DIADEM® Family would certainly be missed, and all the discussions about the development of green roofs. I would constantly miss the roofs!
Artúr Hegymegi
Regional sales manager
Favourite thing in the office
Personal qualities we appreciate
- Family-friendly atmosphere
- Empathy
- Thinking in system
- Joy
- Consciousness
Which celebrity would your company be?
Richard Dean Anderson - Professionally conscious
Team video
Recommend to your friends!
We are proud of ...
- For 27 years, we have been continuously developing our products.
- We have developed a special blue-green roof.
- Our products and technologies are protected by international patents.
- We won the Hungarian Product Innovation Award for our DiaSafe® fall protection systems in 2015.
- With our products, more than 1,000,000 m2 of green roofs were built worldwide in 2021.
- We have our own roundabout in Győr
Constant moving forward
We create livable cities
Conscious building-up
"No problem can be solved from the same level of consciousness that created it."
Albert Einstein
Nobel Prize-winning theoretical physicist
DIADEM® GreenMagic story
"The roof is a forest, or at least a meadow. The green surface of the conscious roof is the manifestation of the "soul". We protect Mother Earth."
Peter Csizmadia
A.P.P. Ltd owner and CEO
Brilliant green roof solution
In 2009, we completed the green roof of the Csepel wastewater treatment plant which is a 22,650 m2 project. This was completed in 15 working days. It was an inverted roof, and parallel to the roof insulators, a green roof embellished with a sophisticated pattern and plant islands had to be created. It was a professional feat and amazing teamwork. Find our DIADEM® Greenlandia video on YouTube.
DIADEM® Greenlandia project
World Green Roof Day 2022
Family-Friendly Place Award
Family-Friendly Place Brand
The moment has come in the life of DIADEM® when it is worthwhile to stop and immerse ourselves in the pleasant feeling that all our efforts to build the DIADEM® Family are confirmed by an external Certification Institute. We are proud that on 28.09.2022. after a strict audit, the Family-Friendly Hungary Center awarded our company the Family-Friendly Place Brand!
II. Győri Klíma EXPO 2022.
GaLaBau 2022. Nürnberg
II. Győri Klíma EXPO 2022.
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