Sealing & Insulation in the
Canton of St. Gallen

ROTH AG St. Gallen

Since 1997 · 11–20 empl.

ROTH AG St. Gallen is a branch of the Roth Gruppe providing technical insulation, fire-protection and interior fit-out services. Services include HVAC/cold and steam insulation, industrial and apparatus insulation, fire-stopping solutions and cable module systems.

isofloc AG

Since 1998 · 1–10 empl.

isofloc AG develops and produces cellulose-based insulation materials for modern timber construction. The company also provides blowing machines, technical support, service, and training for the application and processing of its insulation systems.

Roth Bautechnik AG

Since 1999 · 11–20 empl.

Roth Bautechnik AG provides technical insulation services including HVAC, refrigeration and steam insulation as well as industrial, apparatus and acoustic insulation. Its services also cover passive fire protection such as penetrations and joint sealing, cable module systems and smoke extraction channels, interior fit-out, and consulting and training.

isofloc Holding AG

Since 2003 · 1–10 empl.

The core activity of isofloc AG is the development, production and distribution of insulation materials, system products and industrial insulation systems, in particular the easyfloc system, throughout Europe.

NBT Neis (Schweiz) Beschichtungstechnik GmbH

Since 2006 · 1–10 empl.

The core activity of NBT Neis GmbH is the development and application of intelligent coating systems for various fields of application, particularly for the renovation and sealing of surfaces. The coatings are chemically resistant to oils, fuels, acids and other aggressive chemicals. The specific activities include: coating of basins, tubs, gas station driveways and industrial floors; renovation of oil separators, dome shafts and gutters; sealing of joints and cracks in concrete; application of Cyclone Liner technology; and conducting tightness tests in accordance with the Water Protection Act. The coatings are manufactured with high-quality materials and have been certified by the German DIBt (Deutsches Institut für Bautechnik).

Iso Senn AG

Since 2010 · 1–10 empl.

The core activity of Iso Senn AG is the insulation of pipes, particularly heating and sanitary pipes, as well as the implementation of fire stops at wall penetrations or riser zones. The insulation is carried out with various materials such as PIR, mineral wool, rubber, PVC, coarse-grained film or sheet metal.

RISOMAG AG

Since 2013 · 1–10 empl.

The core activity of Risomag AG is the manufacture and distribution of vacuum insulation, in particular vacuum insulation panels in various standard formats and thicknesses. The company also offers related services such as quotes, installation plans and deliveries.

TECTON AG St. Gallen

Since 2014 · 1–10 empl.

TECTON AG St. Gallen provides building-envelope and roofing services, including waterproofing and both flat and pitched roof work. Services listed on the website include maintenance/after-sales service, metalwork (flashings), renovation, civil waterproofing and green roofs.

Kreissel Bau GmbH

Since 2014 · 1–10 empl.

Kreissel Bau GmbH provides construction services and site management for private and commercial clients, including building and civil works, masonry and concrete work, plastering and external insulation (EPS/XPS). Services also include landscaping and garden construction, natural stone and paving work, and extension, renovation and modernization projects.

dgr bauabdichtung gmbh

Since 2016 · 1–10 empl.

dgr bauabdichtung gmbh provides building waterproofing and firestopping services, including joint sealing, tape-based seals and thermal insulation.

PST-Bausanierungen KLG

Since 2018 · 1–10 empl.·4.6(9)

The core activity of PST Bausanierungen encompasses the execution of building renovation and cleaning work, including: roof covering and cleaning, facade cleaning and renovation, stone cleaning and laying, graffiti removal, insulation of roofs and facades, and drying. The company thus offers a wide range of services in the field of building and property renovation.

Trendisol GmbH

Since 2002 · 11–20 empl.·4.3(7)

The core activity of Trendisol GmbH is blow-in technology, particularly the application of blow-in procedures for building insulation, as well as the implementation of blower door tests and thermography. The company also offers training and expert advice in the field of blow-in technology and distributes various insulation materials such as cellulose fiber, rock wool, mineral wool, EPS granulate and wood fiber.

De Luca Isolierungen GmbH

Since 2004 · 11–20 empl.·4.0(9)

De Luca Isolierungen GmbH specializes in thermal insulation and waterproofing for flat and pitched roofs. The company also provides roof safety systems and additional sealing services for buildings and civil engineering works.

waprotec ag

Since 2001 · 51–100 empl.·5.0(1)

The core activity of waprotec is the execution of sealing work in the construction industry, particularly in the planning, implementation and execution of sealing concepts for buildings, as well as in the renovation and conversion of existing buildings. The company offers a comprehensive range of services in sealing technology, including the use of modern sealing products and the development of individual solutions for customers.

vistona experts ag

Since 2018 · 51–100 empl.·5.0(1)

The core activity of vistona experts is the planning and execution of sealing systems for underground structures, including the development of customized system solutions and quality management on the construction site.

Büchler Bedachungen GmbH

Since 2019 · 1–10 empl.

Büchler Bedachungen GmbH provides roof and façade construction services, including roof renovations, maintenance, installation of roof windows and photovoltaic systems. The company supports projects from planning through execution.

Gmeiner AG

Since 1986 · 1–10 empl.·5.0(7)

The core activity of Gmeiner AG is the sealing of buildings in all forms in the field of civil engineering and construction, including the application of sealants, joint sealants, liquid plastics, Combiflex, films and tapes, as well as insulations such as XPS, soundproofing foam and rock wool.

ISOLbest Drakopoulos

Since 2017 · 1–10 empl.

The core activity of ISOLbest Drakopoulos is the provision of insulation services, particularly in the areas of: heating insulation, sanitary insulation, refrigeration insulation, ventilation insulation, insulation sheet metal work, fire protection and sound insulation. The company offers customized solutions for the insulation of heating, cooling and sanitary pipes to save energy and ensure customer satisfaction.

Paul Keller Isolierspenglerei GmbH

Since 2008 · 1–10 empl.·5.0(2)

Paul Keller Isolierspenglerei GmbH provides insulation services for building-services systems. The company performs insulation for refrigeration, heating, climate/ventilation systems, valves and tanks using materials such as synthetic rubber, PIR‑PVC and aluminium cladding, and it offers fire-protection insulation as well as on-site consultation and measurement for quotes.

MediSwiss Service GmbH

Since 2010 · 21–50 empl.·2.8(11)

The core activity of the company "medisuisse" consists of managing and processing social insurance, in particular old-age and survivors' insurance (AHV) and disability insurance (IV), as well as family allowances. The company offers services to employers, employees and self-employed individuals, such as calculating and processing contributions, providing benefits and managing individual accounts.

BL Abdichtungstechnik & Brandschutz GmbH

Since 2017 · 1–10 empl.·5.0(3)

The core activity of BL Abdichtungstechnik & Brandschutz GmbH is the provision of services in the field of sealing technology and fire protection. Specifically, the company offers the following services: fire protection (including renovation and reconstruction), spray insulation, sealing of all kinds, and joint sealing. The company focuses on the implementation of projects in the field of building safety and maintenance, with customer satisfaction and the quality of work being the top priority.

Walter Kuhn AG

Since 1983 · 1–10 empl.·5.0(1)

The core activity of Walter Kuhn AG is the provision of insulation services, particularly in the areas of thermal insulation, cold insulation and apparatus/container insulation for industrial, commercial and private customers.

Curcio Fugentechnik GmbH

Since 2011 · 1–10 empl.·3.7(3)

Curcio Fugentechnik GmbH provides silicone joint sealing and jointing services, offering consultation, planning, execution and quality assurance for new construction, conversions and renovations. Services include sealing of floors, windows, doors, façade and expansion joints, as well as sanitary and kitchen installations.

Schubiger Energie-Dämmtechnik

Since 2013 · 1–10 empl.·5.0(4)

The core activity of Schubiger Energie-Dämmtechnik is the provision of services in the field of energy efficiency and sustainable building. Specifically, this includes: energy consulting for building owners, planning and implementation of energy efficiency measures, such as insulation technology and solar energy, building physics and constructions, renewable heating systems, and construction supervision and project management. The company supports customers in reducing their energy costs and minimizing their ecological footprint.

Sealtech GmbH

Since 2022 · 1–10 empl.

The core activity of Sealtech GmbH is the execution of sealing and joint works, particularly in the area of: * Sealant joints * Fire protection joints * Vapor and water barrier films * Glass partitions * Showers The company offers specialized and professional sealing services for construction projects.

brandproteq GmbH

Since 2019 · 1–10 empl.·5.0(1)

The core activity of brandproteq GmbH is the provision of services in the field of fire protection, particularly: fire protection planning and quality assurance, creation of fire protection plans, fire department plans and escape and rescue route plans, and condition analysis of buildings with regard to fire protection regulations. The company supports customers in planning and implementing fire protection measures and offers consulting and analysis in the field of fire protection.

BauDicht AG, Zweigniederlassung St. Gallen

Since 2017 · 21–50 empl.·5.0(2)

BauDicht AG, Zweigniederlassung St. Gallen provides waterproofing and building-protection services for both building construction and civil engineering, covering planning, installation and maintenance of sealing systems. Services include groundwater and system waterproofing, joint and window-interface sealing, and injection techniques for crack repair.

erratec ag

Since 2023 · 1–10 empl.

erratec ag provides sealing technology and construction waterproofing solutions. The company plans and carries out waterproofing work for structures, including joint sealing, crack injections, white and yellow tank systems, flat roofs and sheet metal work.

IBAR Abdichtung GmbH

Since 2018 · 1–10 empl.·5.0(3)

The core activity of IBAR Abdichtungen GmbH is the provision of services in the field of sealings and coatings for floors, walls and joints, including the application of epoxy floors, liquid plastics, Combiflex and fire protection.

Parduzi AG

Since 2023 · 1–10 empl.

PARDUZI Abdichtungen + Brandschutz GmbH carries out specialised waterproofing and fire-protection work for building and civil engineering projects, including waterproofing, joint sealing and fire-stopping such as fire collars and fire bricks. Services also include sealing tapes and sealants (e.g. silicone, hybrid, bitumen, PU foam) as well as consulting, planning and execution.

RB Dämmtechnik GmbH

Since 2012 · 1–10 empl.·5.0(1)

The core activity of RB Dämmtechnik is the planning, execution and renovation of insulation and insulation in various areas, particularly in the fields of thermal insulation, cold insulation, sound insulation and fire protection. The company offers specialized services for the insulation of pipes, ventilation systems, heating and sanitary installations, ventilation ducts and pipes, evaporator systems, turbine and exhaust pipes, containers and tank systems, as well as the manufacture of sound booths and the planning of sound protection concepts.

D'Amore Fugen & Farben

Since 2023 · 1–10 empl.·4.8(6)

The core activity of D'Amore Fugen is the provision of services in the field of joint technology, particularly the manufacture and renovation of joints in buildings, as well as the use of diffusion-permeable connection tapes.

ABN Fugen- & Bauabdichtungen AG

Since 2016 · 1–10 empl.·3.4(5)

The core activity of ABN Fugen- & Bauabdichtungen AG is the provision of services in the field of joint and building sealing, including joint sealing, joint renovation, glass sealing, fire-resistant joints, sealing tapes, plastic sealing, fire stops and injections.

RAUCHSCHUTZ.ch GmbH

Since 2022 · 1–10 empl.·5.0(2)

The core activity of Rauchschutz.ch GmbH is planning, consulting and services in the field of fire protection and smoke extraction systems, particularly in building technology (with a focus on ventilation). This includes, among other things: fire protection and RWA planning with BIM, specialist construction management for the implementation of fire protection and RWA concepts, creation of implementation concepts for RWA systems, planning and integration of CO ventilation systems in smoke extraction systems, RWA control and interface clarification, maintenance, upkeep and service for RWA systems. The company offers its services primarily to building owners, architects, fire protection and building technology planners, electrical installers and real estate companies.

EICHER building systems GmbH

Since 2025 · 1–10 empl.

EICHER building systems GmbH supplies building materials, systems and accessories for the building envelope. The company also provides services related to roofing, façades, waterproofing, insulation, safety and solar energy, including consulting, planning support, feasibility checks, energy analyses and photovoltaic cleaning.

LS Systemlösungen GmbH

Since 2025 · 1–10 empl.

LS Systemlösungen GmbH provides project handling services and general system solutions according to the website. The terms and conditions refer to services, pricing, payment terms, and delivery conditions, indicating contract-based service offerings.

Dämmkraft GmbH

Since 2025 · 1–10 empl.

Dämmkraft GmbH specializes in blown-in insulation and the professional removal of insulation materials. The company provides solutions for new construction, renovation projects and damage cases, using materials such as cellulose, mineral wool and EPS granulate.

Abdichtungssysteme Gorgomiti AG

Since 2026 · 1–10 empl.

Abdichtungssysteme Gorgomiti AG is an ISOTEC specialist company for the remediation of moisture and mold damage in buildings. Its services include waterproofing, mold removal, drying, basement floor renovation, internal insulation, and basement ceiling insulation.