Sealing & Insulation in
Winterthur
55 companies in Sealing & Insulation based in Winterthur — name and year of registration from the commercial register.
50 of 55 companies
AGI AG für Isolierungen, Zweigniederlassung Winterthur
Since 1991 · 21–50 empl.5.0(5)
AGI AG für Isolierungen, Zweigniederlassung Winterthur provides services in technical insulation and structural fire protection. Offerings include consulting and planning, BIM planning, product management and trade (including aerogel and vacuum insulation), project realization (insulation, fire protection, ductwork and metal fabrication) and maintenance.
Isoplan AG
Since 2016 · 11–20 empl.4.3(23)
The core activity of Isoplan Gebäudetechnik is the planning, consulting and implementation of insulation and fire protection measures for buildings and infrastructure, including insulation, fire protection cladding, smoke extraction and sheet metal work.
brandschutz consulting gmbh
Since 2012 · 1–10 empl.
The company's core activity is consulting, planning and quality assurance in the field of fire protection, particularly the development of fire protection concepts and plans, as well as quality assurance during the implementation of construction projects.
isodicht GmbH
Since 2011 · 1–10 empl.4.4(5)
The core activity of Isodicht GmbH is the provision of services in the field of building sealing, particularly in the following specific areas: joint sealing, fire stopping, Combiflex sealing, vapour and water membranes, and concrete injections. The company offers consulting, planning and execution of sealing solutions for new buildings, renovations and restorations to prevent damage from moisture, water and fire and to ensure the tightness of buildings.
ENI Fugenabdichtungen GmbH
Since 2020 · 1–10 empl.
The core activity of Eni Fugenabdichtungen GmbH is the manufacture and installation of sealing solutions for joints in civil engineering and underground construction, as well as in various other construction projects, to protect them from moisture, temperature fluctuations and weather influences.
Bruno Isolierungen GmbH
Since 2018 · 1–10 empl.5.0(5)
The core activity of Bruno Isolierungen GmbH is the development, manufacture and delivery of technical insulation solutions.
Ferati Isolierungen GmbH
Since 2013 · 1–10 empl.5.0(1)
The core activity of Ferati Isolierungen GmbH is the provision of insulation services of all kinds, particularly in the areas of heat, cold, sound and fire protection, as well as ventilation and heating insulation. This also includes special services such as sheet metal cladding, Wraptec and fire protection with Promat.
TOPLANA Isolationen GmbH
Since 2019 · 1–10 empl.5.0(2)
The core activity of Toplana Isolationen GmbH is the provision of insulation services.
Indisol AG
Since 2024 · 1–10 empl.5.0(4)
Indisol AG is a trading company that supplies technical insulation materials and accessories for thermal, cold, fire and acoustic protection. Its product range includes mineral wool, PIR, rubber insulation, fire protection products, claddings, tapes and installation tools; the company provides a digital price list, an online shop, BIM data and a product finder, and maintains warehousing to enable rapid delivery and technical consultation.
Alberto Penna Gipsergeschäft GmbH
Since 2023 · 1–10 empl.
Alberto Penna Gipsergeschäft GmbH performs plastering and dry-construction work and offers services such as wet plaster, clay plaster, stucco and acoustic systems. The company also provides fire-protection work, thermal insulation, demolition, new-build and renovation projects, repairs, water-damage remediation and painting.
Isoring GmbH
Since 2018 · 1–10 empl.5.0(1)
The core activity of Isoring GmbH is the development and provision of technical insulation and cladding solutions for various requirements such as heat, cold, sound and fire protection. The company offers solutions for the insulation of pipelines and ventilation ducts and uses various materials such as PIR rigid foam shells, mineral wool, rock wool and synthetic rubber.
A&E Gipsergeschäft GmbH
Since 2016 · 1–10 empl.5.0(1)
The core activity of A&E Gipsergeschäft GmbH is the execution of plastering work, drywall construction and thermal insulation for new buildings and renovations. This includes in particular: exterior thermal insulation, fire protection measures, ceiling claddings, lightweight walls, plastering work (e.g. plastering work in interior areas) and painting work (e.g. exterior painting for facades). The company also offers consulting, planning and execution of construction projects and places emphasis on meeting the highest quality standards.
Megga Isolierung GmbH
Since 2020 · 1–10 empl.5.0(1)
The core activity of Megga Isolierung GmbH is the provision of insulation services, particularly in the areas of thermal, cold, sound and fire insulation for building installations. The company offers consulting, planning and execution of insulation solutions for residential buildings, commercial properties and industrial facilities.
JADA Dämm- und Brandschutz AG
Since 2025 · 1–10 empl.
JADA Dämm- und Brandschutz AG provides technical insulation and fire protection solutions for buildings and systems. Its services include insulation for pipes and ventilation systems, fire stopping, fire protection cladding, and smoke extraction systems.
Sandro Scura Isolierungen
Since 2019 · 1–10 empl.5.0(1)
The core activity of Scura Isolierungen is the development and application of insulation solutions for various industries, particularly for sanitary and refrigeration pipes as well as pipelines. The company offers innovative and high-quality solutions for heat and cold protection and develops optimized solutions for specific needs.
Lenjani-Fugen
Since 2025 · 1–10 empl.
Lenjani-Fugen provides joint sealing, epoxy joint solutions and other waterproofing services for construction projects. Its service range also includes tile work, liquid-applied waterproofing and fire stopping.
KWD Kälte-, Wärme-, Dämmtechnik GmbH
Since 2006 · 11–20 empl.
The core activity of KWD GmbH is the planning, consulting and execution of thermal insulation, including the selection of materials and compliance with energy regulations.
Agida Iso AG
Since 2014 · 11–20 empl.
The core activity of AGIDA Iso AG is the planning, design and execution of insulation solutions for various fields of application, particularly in the construction industry. This includes the installation of thermal insulation to prevent heat loss, the prevention of cold bridges and condensation, as well as optimal fire protection. The company also offers services in the fields of sheet metal work, pipeline construction and ventilation/air conditioning systems.
WINTI Fugen GmbH
Since 2017 · 1–10 empl.
The core activity of Winti Fugen GmbH is the provision of sealing and protection services for buildings, particularly in the areas of joint sealing, facade sealing, fire protection joints, silicone/hybrid joints, special seals, as well as renovations and refurbishments.
PEKEN GmbH
Since 2020 · 1–10 empl.
PEKEN GmbH performs insulation and fire-protection work for construction projects. The website lists reference projects including the FIFA World Football Museum and Ceres Living Pratteln.
Georgios Papageorgiou
Since 2025 · 1–10 empl.
Georgios Papageorgiou provides joint sealing, hybrid joints, joint refurbishment and fire protection joints. The company focuses on clean, durable sealing work for bathrooms, kitchens, windows, floors and façades.
Hidalgo Pena Dachdecker
1–10 empl.
Hidalgo Pena Dachdecker provides waterproofing services for flat roofs, balconies, and indoor and outdoor areas. The company works with bitumen, TPO membranes, liquid waterproofing systems, and insulation, and also carries out repairs and refurbishments.
Fadaplan AG
Since 1989 · 1–10 empl.
Beyeler-Suremann AG
Since 1992 · 1–10 empl.
Desmo AG
Since 1994 · 1–10 empl.
Wintiisol GmbH
Since 1998 · 1–10 empl.
Ponticello S. Fassadenisolationen
Since 2001 · 1–10 empl.
Sami Tahiri S-T Isolationen
Since 2005 · 1–10 empl.
RaffiGroup GmbH
Since 2005 · 1–10 empl.
Helbling Isolierungen
Since 2007 · 1–10 empl.
TOP-Isoliertechnik, Fati Selmani
Since 2009 · 1–10 empl.
Perfectplast GmbH
Since 2010 · 1–10 empl.
Xhabali Group GmbH
Since 2012 · 1–10 empl.
Fugentech Zona GmbH
Since 2012 · 1–10 empl.
R. Duraku GmbH
Since 2018 · 1–10 empl.
KF Isolierungen GmbH
Since 2019 · 1–10 empl.
Reba Tech GmbH
Since 2019 · 1–10 empl.
Dina Isolierungen GmbH
Since 2019 · 1–10 empl.
ALKA Fassadenbau GmbH
Since 2020 · 1–10 empl.
Medisol GmbH
Since 2020 · 1–10 empl.
AB Fugentech GmbH
Since 2021 · 1–10 empl.
Deratec GmbH
Since 2022 · 1–10 empl.
HLS Isospengler GmbH
Since 2022 · 1–10 empl.
EF-Isolierungen GmbH
Since 2022 · 1–10 empl.
TEKIN Isolationen GmbH
Since 2023 · 1–10 empl.
Montage Group Ivanov
Since 2023 · 1–10 empl.
Daku Silikon Fugen
Since 2023 · 1–10 empl.
AZ Isolierungen GmbH
Since 2023 · 1–10 empl.
Top Isolierungen GmbH
Since 2024 · 1–10 empl.
Isolation Plus GmbH
Since 2024 · 1–10 empl.
Sealing & Insulation in Winterthur
Sealing & Insulation in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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