Insulation in the
Canton of St. Gallen

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.

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.

Trendisol GmbH

Since 2002 · 11–20 empl.·4.3(7)

Trendisol GmbH provides blown-in insulation for roofs, walls, floors and cavities, as well as airtightness testing using blower-door measurements and thermography. The company sells blown-in insulation materials and machinery, and offers machine servicing and training.

Ranu Isolierungen AG

Since 1996 · 21–50 empl.·5.0(3)

The core activity of Ranu Isolierungen AG is the provision of services in the field of insulation, particularly: pipe insulation, fire protection and fire stopping, insulation of heating and air conditioning systems, and thermal protection solutions. The company also offers additional services such as maintenance, installation, consulting and service.

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.

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.

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.

Wollbaron

Since 2018 · 1–10 empl.

The company's core activity is the processing and sale of sheep's wool, in particular as insulation and bedding, as well as consulting and supporting the implementation of healthy and sustainable building projects.

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.

FLOEGO Fugenabdichtungen GmbH

Since 2022 · 1–10 empl.

The core activity of FLOEGO GmbH is the provision of sealing services in the construction industry, particularly joint sealing and renovation, as well as the application of coatings and joint tapes for various applications in civil engineering and underground construction.

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)

Schubiger Energie-Dämmtechnik provides energy consultancy and building-physics assessments for new buildings and renovations. Its services include planning and installing blown-in insulation, as well as supporting photovoltaic and renovation projects.

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 specialises in waterproofing for building construction and civil engineering. Its services include groundwater and structural waterproofing, as well as injection work for repair and renovation.

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.

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)

D'Amore Fugen & Farben provides joint sealing for indoor and outdoor areas, along with decorative painting. Its services also include interior and exterior painting and facade renovation work.

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.

SIT Polymer Products Schweiz AG

Since 2026 · 1–10 empl.

SIT Polymer Products Schweiz AG develops and distributes solvent-free 1-component liquid polymer products (SMP) for roof and structural waterproofing. Its range includes waterproofing products, primers, fleece reinforcements and accessories for joints, details and area sealing.