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Schlier Ingenieure – Fertigung

Structural engineering and building physics for new construction, refurbishment and heritage preservation from Darmstadt

Schlier Ingenieure Logo

Schlier Ingenieure AG

DarmstadtNew on Amplifa

50 yearsActivity as consulting engineers
more than 25 yearsAs S+P GmbH Schlier und Partner
1 locationDarmstadt (head office/engineering firm)
2008–2023Refurbishment of Mathildenhöhe World Heritage Site

About Schlier Ingenieure

Schlier Ingenieure AG is an engineering firm for structural engineering and building physics based in Darmstadt. As consulting engineers, the company has been active in all areas of structural engineering for 50 years, including more than 25 years under the name S+P GmbH Schlier und Partner, before the company was renamed Schlier Ingenieure AG. Its services include structural engineering for new construction and refurbishment, calculations and consultancy on thermal, acoustic and fire protection, as well as planning and consultancy for construction projects. A key focus is structural engineering in heritage preservation, where the firm draws on decades of experience and also acts as an expert assessor. By getting involved early in architectural design decisions, the firm aims to combine form and function, bringing traditional techniques and materials into harmony with modern, safety-oriented standards. Project references include the Mathildenhöhe World Heritage Site in Darmstadt (Wedding Tower and exhibition halls), Veste Otzberg castle, Wilhelmshöhe Palace in Kassel, the Undenheim primary school and the Sonnenblumenschule in Langen. Clients include public-sector clients such as the Darmstadt Regional Council, investors and architects.

Site
Darmstadt
Processes
Structural engineering (new construction and refurbishment), Calculations and consultancy for thermal, acoustic and fire protection (building physics), Structural engineering in heritage preservation and monument conservation, expert assessment work, Structural engineering, Building physics (thermal, acoustic and fire protection), Calculations and consultancy for new and existing buildings, Structural engineering in heritage preservation, Expert assessment work in heritage preservation
Materials
Structural Engineering (New Construction and Refurbishment), Building Physics (Thermal, Acoustic and Fire Protection), Structural Engineering for Heritage Preservation
Certificates
Expert assessment work in heritage preservation, Nomination for the German Sustainability Award Architecture 2025
Industries
Building construction, Heritage preservation, Public-sector clients, Investors, Architects, Public-sector clients / investors / architects
  1. 01

    Consulting and structural engineering

  2. 02

    Building physics calculations

  3. 03

    Structural engineering for heritage preservation

  4. 04

    Expert assessment work

  5. 05

    Project support as planner and consultant

Services and Areas of Expertise

TWP

Structural Engineering (New Construction and Refurbishment)

Structural analysis and structural engineering for new and existing buildings with early involvement in design decisions.

BP

Building Physics (Thermal, Acoustic and Fire Protection)

Calculations and consultancy on thermal, acoustic and fire protection for new and existing buildings.

DNP

Structural Engineering for Heritage Preservation

Refurbishment of historic building fabric incorporating traditional techniques and materials, also as an expert assessor.

Location

Standort Darmstadt

Darmstadt

DE

Head office / engineering firm

Lot size
Project business
Materials
Structural engineering, building physics, heritage preservation, expert assessment

Projects

Mathildenhöhe Darmstadt – Wedding Tower and Exhibition Halls
Mathildenhöhe Darmstadt – Wedding Tower and Exhibition HallsRefurbishment · Heritage preservation/World Heritage Site
Veste Otzberg
Veste OtzbergRefurbishment · Heritage preservation
Wilhelmshöhe Palace, Kassel
Wilhelmshöhe Palace, KasselRefurbishment · Heritage preservation
Kleine Parkwirtschaft, Wilhelmsbad State Park, Hanau
Kleine Parkwirtschaft, Wilhelmsbad State Park, HanauRefurbishment · Heritage preservation
Undenheim Primary School
Undenheim Primary SchoolNew construction · Public building
Hexagon TU Darmstadt
Hexagon TU DarmstadtNew construction · Building construction

Inside the production

Mathildenhöhe Darmstadt project
Mathildenhöhe Darmstadt project
Heritage preservation construction project
Heritage preservation construction project
Wilhelmshöhe Palace Kassel project
Wilhelmshöhe Palace Kassel project
Structural engineering construction project
Structural engineering construction project
Wilhelmshöhe Palace project
Wilhelmshöhe Palace project
Orangery of Eberbach Monastery, Eltville
Orangery of Eberbach Monastery, Eltville
Ernst-Reuter-Schule Offenbach
Ernst-Reuter-Schule Offenbach
Palace Church Bad Dürkheim
Palace Church Bad Dürkheim
Lichtenberg Castle, Fischbachtal
Lichtenberg Castle, Fischbachtal
Theater Altes Hallenbad (AHA), Friedberg
Theater Altes Hallenbad (AHA), Friedberg
Sheep barn, Hofgut Guntershausen, Stockstadt am Rhein
Sheep barn, Hofgut Guntershausen, Stockstadt am Rhein
Luise-Büchner-Schule Groß-Gerau
Luise-Büchner-Schule Groß-Gerau
Project overview
Project overview
Project documentation
Project documentation
Project documentation
Project documentation
Nominated for the German Sustainability Award Architecture 2025 (Refurbishment)
Nominated for the German Sustainability Award Architecture 2025 (Refurbishment)

Industries

Building constructionHeritage preservationPublic-sector clientsInvestorsArchitectsPublic-sector clients / investors / architects

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Structural engineering (new construction and refurbishment)Engineering–––––
Calculations and consultancy for thermal, acoustic and fire protection (building physics)Engineering–––––
Structural engineering in heritage preservation and monument conservation, expert assessment workEngineering–––––

Additional services

Structural engineeringBuilding physics (thermal, acoustic and fire protection)Calculations and consultancy for new and existing buildingsStructural engineering in heritage preservationExpert assessment work in heritage preservationPlanning and consultancy for construction projects

Reference customers

Darmstadt Regional Council (AK Hessen project)TU Darmstadt (Hexagon project)City of Darmstadt (Mathildenhöhe, palace)City of Hanau (Wilhelmsbad State Park)Eberbach Monastery, EltvilleWeingut Jung winery, UndenheimKramp & Kramp GmbH + Co. KG (project partner Lichtenberg Castle)Johannes Hug (architect, Lichtenberg Castle project)StatiConSystems GmbH (project partner)

Quality and Expert Assessment

The work follows current legal requirements and the latest scientific findings. In the field of heritage preservation, the firm also acts as an expert assessor on the basis of its many years of experience.

EvidenceDarmstadt
Expert assessment work in heritage preservation
Nomination for the German Sustainability Award Architecture 2025

History

  1. More than 25 years active as the engineering firm “S+P GmbH Schlier und Partner”; renamed Schlier Ingenieure AG

  2. 50 years active as consulting engineers for structural engineering and building physics

  3. 2008

    Start of refurbishment of the Mathildenhöhe World Heritage Site in Darmstadt (Wedding Tower and exhibition halls, 2008–2023)

  4. 2010

    Refurbishment of Veste Otzberg (2010–2017)

  5. 2013

    Project sheet on flood protection wall at the town wall of Wörth am Main published

  6. 2017

    New construction of Undenheim Primary School (2017–2022)

  7. 2022

    New construction of extension to Sonnenblumenschule Langen

  8. 2024

    Refurbishment of Wilhelmshöhe Palace, Kassel

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