Sealing & Insulation in the
Canton of St. Gallen

94 companies in Sealing & Insulation based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 94 companies

Matro AG Abtwil

Since 1969

Property management and lettingBuilding insulationWaterproofing and renovation work

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bauplus Sprenger GmbH

Since 1971

Waterproofing solutions for structures and surfacesBasement waterproofingSwimming pool waterproofing

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Walter Kuhn AG

Since 1983

Thermal insulationCold insulationInsulation of equipment and containers

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Ranu Isolierungen AG

Since 1996

Pipe insulationCold insulationThermal insulation

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ROTH AG St. Gallen

Since 1997

HVACR, refrigeration and steam insulationIndustrial, plant and acoustic insulationBlown-in and cavity insulation

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isofloc AG

Since 1998

Cellulose insulationeasyfloc protect Fire protectioneasyfloc Blown-in boards and prefabrication systems

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Roth Bautechnik AG

Since 1999

InsulationsFire protectionConsulting & training

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waprotec ag

Since 2001

Implementation of waterproofing conceptSpecialist site supervision and quality managementRenovations

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Trendisol GmbH

Since 2002

Insulation blowing techniqueAirtightness testingBoarding

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isofloc Holding AG

Since 2003

Cellulose insulationeasyfloc Protect fire protectionEasyfloc blown-in panels for prefabrication

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ISO-CENTER AG, Zweigniederlassung St. Gallen

Since 2006

Technical insulation and insulation materialsFire protection productsAcoustic insulation products

View profile4.1(17)

NBT Neis (Schweiz) Beschichtungstechnik GmbH

Since 2006

Coating / Manhole rehabilitationWaterproofingConcrete and crack repair

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ZEMENTOL Schweiz AG

Since 2010

ZEMENTOL® systemWhite Tank (System ZEMENTOL®)White Tank Plus (System ZEMENTOL®)

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Iso Senn AG

Since 2010

InsulationsFirestopping

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MediSwiss Service GmbH

Since 2010

ContributionsBenefitsInsurance classification

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Curcio Fugentechnik GmbH

Since 2011

Silicone joint sealingsJoint renewal for renovations and conversions

View profile5(2)

AS GmbH Isolierungen-Brandschutz

Since 2012

Sanitary pipe insulationHeating pipe insulationVentilation pipe insulation

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RB Dämmtechnik GmbH

Since 2013

Insulation worksThermal insulationCold protection

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RISOMAG AG

Since 2013

Vacuum insulation (VACURIS NS)Vacuum insulation (VACURIS HKP 1-sided)Vacuum insulation (VACURIS HKP 2-sided)

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TECTON AG St. Gallen

Since 2014

Service and maintenanceFlat roofBuilding renovation

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Zumo Brandschutz GmbH

Since 2014

Firestop SealsPromat Fire Protection CladdingInsulation

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dgr bauabdichtung gmbh

Since 2016

Building waterproofingFire stoppingThermal insulation

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BauDicht AG, Zweigniederlassung St. Gallen

Since 2017

Civil engineering and groundwater waterproofingBuilding waterproofingRepairs and renovation

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BL Abdichtungstechnik & Brandschutz GmbH

Since 2017

Fire protectionJoint sealingConstruction waterproofing technology

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MEHR ISOL GmbH

Since 2017

Fire protectionInsulation

View profile4.8(19)

ISOLbest Drakopoulos

Since 2017

Heating insulationSanitary insulationRefrigeration insulation

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IBAR Abdichtung GmbH

Since 2018

Waterproofing and coatingsLiquid plasticJoint refurbishment

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vistona experts ag

Since 2018

Specialist planning of building waterproofingWaterproofing concept and usage agreementTender document preparation

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Wollbaron

Since 2018

Sale of insulation materials and beddingConsulting on sheep wool insulation and building physicsProduct development for sheep wool products

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PST-Bausanierungen KLG

Since 2018

Roof cleaningRoof refurbishment and roof insulationFacade refurbishment and facade coating

View profile4.3(6)

Büchler Bedachungen GmbH

Since 2019

RoofingRoof refurbishmentsRoof maintenance

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HF Brandschutz+Isoliertechnik GmbH

Since 2019

Fire protectionThermal insulationVentilation insulation

View profile5(5)

brandproteq GmbH

Since 2019

Fire protection planning + quality assuranceFire protection plansFire brigade plans

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Walder Abdichtungstechnik GmbH

Since 2020

Joint SealingJoint RestorationJoint Tapes

View profile5(24)

Schubiger Energie-Dämmtechnik

Since 2020

Energy consultingPhotovoltaic system planningConstruction supervision for photovoltaic systems

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Sema Technics AG

Since 2021

Sealing systems for pipe and cable penetrationsBuilding entries for water and gasCasing pipes and sealing elements

View profile4.9(12)

Kreissel Bau GmbH

Since 2022

Building and civil engineeringMasonry workSite and garden landscaping

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Sealtech GmbH

Since 2022

FirestoppingPutty-joint fire protection jointsVapour and water barrier film

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D'Amore Fugen & Farben

Since 2023

Jointing technologyBuilding waterproofingJoint renovation

View profile4.8(6)

PARDUZI Abdichtungen + Brandschutz GmbH

Since 2023

Sealing workFire protectionSealing tapes

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Ampack AG

Since 2023

MembranesAdhesive technology and accessoriesNoise protection

View profile4.9(17)

SP Isolation GmbH

Since 2023

InsulationsFire protectionAcoustic insulation

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MNA Group GmbH

Since 2023

Design and installation of photovoltaic systemsConsulting for photovoltaic and energy solutionsPreparation of energy performance certificates (GEAK / GEAK Plus)

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erratec ag

Since 2023

Waterproofing systems for structuresWhite tankYellow tank

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RAUCHSCHUTZ.ch GmbH

Since 2024

Preliminary planningNeutral tendering for smoke extraction systemsExecution concept for RWA

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Dreiländer Gastronomie GmbH

Since 2024

Restaurant service / À la carteBanquets and celebrationsWedding venue

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LS Systemlösungen GmbH

Since 2025

Project management

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De Luca Isolierungen GmbH

Since 2004

View profile3.9(8)

Paul Keller Isolierspenglerei GmbH

Since 2008

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ABN Fugen- & Bauabdichtungen AG

Since 2016

View profile3.4(5)

Show 38 more companies

Sealing & Insulation in the Canton of St. Gallen

94Sealing & InsulationCommercial register (Zefix) · as of August 25, 2026

2017Median year of registrationCommercial register (Zefix) · as of August 25, 2026

94in the Canton of St. GallenCommercial register (Zefix) · as of August 25, 2026

1,737in SwitzerlandCommercial register (Zefix) · as of August 25, 2026

Locations

Sealing & Insulation in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 25, 2026

Largest places

St. Gallen16 Widnau5 Buchs SG5

Place axis

Other industries in the Canton of St. Gallen

All companies in the Canton of St. Gallen

Restaurants1,118 Property Management1,022 Management Consulting966 Real Estate Project Development782 IT Consulting & Services777 Auto Repair Shops726 Fiduciary Offices701 Holding Companies671 Technical Consulting & Engineering628 Software Development564 Advertising Agencies554 Automotive & Vehicle Trade517 Architecture Firms496 Facility Management & Cleaning478 Real Estate Brokerage473 Online Shops449 Painting & Plastering445 Interior Construction436 Mechanical Engineering Industry433 Coaching & Personal Development432 Hair Salons430 Food Processing419 Plumbing & Building Services418 Electrical Planning & Installation353 Logistics & Transport Companies352 Timber Construction & Carpentry329 Metal Construction322 Horticulture & Landscaping321 Flooring & Tiling308 Textile & Clothing Industry294 Beauty Salons279 Retail - Textiles & Clothing269 General Contractors262 Repair of Machinery & Electronic Devices257 Joinery253 Building Maintenance247 Building Construction245 Recruitment & HR Consulting235 Solar & Photovoltaics229 Retail - Food & Luxury Items228 Other Service Industries225 Civil Engineering225 Continuing Education Institutes225 Retail - General Specialty Trade218 Sports & Recreation Instruction214 NGOs & NPOs213 Wholesale - Machinery & Technical Equipment211 Retail - Bicycles & Sports Equipment207

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Sealing & Insulation in theCanton of St. Gallen

50 of 94 companies

Sealing & Insulation in the region

Sealing & Insulation in other places

Other industries in the Canton of St. Gallen

Sealing & Insulation in the
Canton of St. Gallen