Sealing & Insulation
in Switzerland
2,393 companies in Sealing & Insulation in the Swiss commercial register, indexed across 25 canton and 109 town pages.
50 of 2,393 companies

Schoop + Co. AG
Baden · Since 1957 · 101–500 empl.4.8(10)
Schoop + Co. AG continues a family business in the construction-related trades founded in 1955 in Baden, now in its third generation. From the headquarters in Baden-Dättwil and the locations in Fislisbach and Lenzburg, around 180 employees serve customers throughout the canton of Aargau. True to the principle of “Everything from a single source,” Schoop unites four specialist areas: sheet metal work and flat roofs, photovoltaic systems with solar installations and battery storage, sheet metal and profile processing in-house, and gardening from planning to maintenance. The areas work hand in hand, with one contact person from consulting to execution to maintenance.
Sager AG
Dürrenäsch · Since 1964 · 21–50 empl.4.6(159)
The core activity of Sager AG is the manufacture and distribution of thermal and sound insulation solutions, particularly for timber construction and building envelopes, as well as for interior finishing and industry. The company offers standardized and individually tailored insulation solutions that are tailored to the needs of its customers.
Kümin & Kälin Gastro
Schindellegi · Since 2010 · 1–10 empl.4.8(633)
Kümin & Kälin Gastro operates Gasthaus Rossberg and provides dining services including à la carte dishes, beverages and banquet options. The website also includes table reservations, gift vouchers and information on how to get there.
Süssmann AG
Regensdorf · Since 1969 · 11–20 empl.4.8(29)
Süssmann AG manufactures thermal insulation and acoustic elements and provides sound-insulation solutions. Its services include building waterproofing and flat-roof work, metal sheet (spenglerei) services, and the sale of related products such as Thermo Plus ceiling panels and noise protection walls.
Zisola AG
Villmergen · Since 2001 · 21–50 empl.4.7(34)
Zisola AG manufactures and supplies insulation materials, low-build floor systems and related accessories for thermal and acoustic insulation, with products including EPS, XPS, PIR, mineral wool and high-performance insulants.
Abdichtungssysteme Walzer AG
Muttenz · Since 2017 · 11–20 empl.4.9(55)
Abdichtungssysteme Walzer AG is a specialist contractor for waterproofing and the remediation of moisture and mold damage in buildings. It provides damage analysis, interior and exterior waterproofing, balcony, basement and garage floor restoration, drying and crack-injection services, and applies ISOTEC system solutions and certified, environmentally compatible materials.
Ampack AG
Rorschacherberg · Since 2015 · 51–100 empl.4.9(19)
The core activity of Ampack is the development and distribution of solutions for the tight execution and protection of the building envelope against vapour, air, wind, water, emissions and noise, particularly in the areas of air and wind tightness, sound insulation and emission protection.
Raffa Fugendichtungen AG
Baar · Since 2016 · 11–20 empl.4.9(47)
The core activity of Raffa Fugendichtungen AG is the provision of services in the field of joint sealing, tape assembly, fire protection sealing and liquid plastic coating, particularly in the new construction and renovation of buildings.
Isoleco Sàrl
Grancy · Since 2012 · 1–10 empl.4.9(80)
The core activity of Isoleco Sàrl is thermal insulation of buildings and houses in Switzerland through insufflation. The company offers services such as insufflation of insulation materials, conducting professional surveys and expert opinions, creating offers and implementing insulation projects.
Top-Fugen AG
Biel/Bienne · Since 1998 · 1–10 empl.4.8(37)
The core activity of Top Fugen AG is the provision of services in the field of sealing, joints and fire protection, in particular: sealing of all kinds, sealant joints, liquid plastics, flat roof sealing, balcony and terrace sealing, and fire protection consulting. The company also offers maintenance and repair services for flat roofs and balconies/terraces.
Zisola Handels AG
Villmergen · Since 2005 · 1–10 empl.4.7(34)
Zisola Handels AG supplies thermal and acoustic insulation materials, low-build floor systems and related accessories for construction and renovation. The product range includes EPS, XPS, PIR, mineral wool, foam glass, impact-sound and acoustic mats, sealing membranes and installation accessories; the company states it provides technical advice, delivery services and local production with ISO and ECO certifications.
WALL & WALL SAGL
Chiasso · Since 2009 · 1–10 empl.4.6(37)
The core activity of Biodry is the development and application of technologies to solve the problem of capillary moisture rise in buildings. The company offers products and services aimed at eliminating moisture rise and improving the health and comfort of buildings.
Fugen-Züri GmbH
Zurich · Since 2005 · 1–10 empl.5.0(23)
The core activity of Fugen-Züri GmbH is the provision of services in the field of joint sealing and fire stopping. Specifically, this includes sealing joints against water, water vapor or air, renewing or creating joints in various areas such as facades, floor coverings, sanitary facilities, balconies, winter gardens or swimming pools, as well as carrying out special work such as sealing tapes, hybrid joints, silicone joints and fire stopping.
autour de la maison fenêtres & isolation SA
Arzier-Le Muids · Since 2008 · 11–20 empl.4.7(35)
The company 'Autour de la Maison' offers a wide range of services in the field of building energy efficiency and renovation. The core activities include: exterior thermal insulation (facade insulation), window and door installation (including design and installation), carpentry, energy efficiency consulting and planning, project management for renovation and construction projects, and coordination of various specialists and companies for comprehensive solutions. The company also provides specialized services such as applying for subsidies, calculating energy consumption values, and selecting insulation materials.
Paul Mändli AG
Wilen B. Wollerau · Since 2002 · 11–20 empl.4.8(14)
The core activity of Paul Mändli AG is the development, manufacture and distribution of sealing and coating products for the construction and building industry, particularly for application on floors, walls and roofs. The company offers complete solutions for sealing and coating work, including stone carpet products, mineral screeds, levelling compounds, binders, pore fillers, drainage mats and sealings.
Baukultur Graubünden GmbH
Chur · Since 2017 · 1–10 empl.5.0(52)
Baukultur Graubünden GmbH provides building-related coating, sealing and repair services. Its core activities include seamless wall and floor coatings, balcony coatings, liquid-applied waterproofing, PU injections, concrete crack repairs and corrosion protection.
ABR GmbH
Fahrwangen · Since 2018 · 1–10 empl.5.0(44)
The core activity of ABR GmbH is the execution of sealing works in civil engineering and underground construction, particularly in the areas of joint sealing, sanitary facilities, kitchens, vapor barriers, fire-resistant joints, joint renovations and fire stops.
ISO-CENTER AG
Basel · Since 1999 · 51–100 empl.4.3(20)
ISO-CENTER AG is a supplier of technical insulation materials and systems. The company operates an e‑shop and offers products for building services and industrial insulation, including rubber and polyethylene insulation, mineral wool, PIR, fire‑protection and acoustic systems, cladding systems, accessories and specialty insulation solutions.
Isopartner Schweiz AG
Busswil Be · Since 1993 · 21–50 empl.4.4(29)
The core activity of ISOPARTNER Switzerland is the development, manufacture and marketing of system solutions in the areas of thermal insulation, passive fire protection and sound insulation.
Abdichtungssysteme Scheibli AG
Humlikon · Since 2017 · 11–20 empl.4.7(31)
Abdichtungssysteme Scheibli AG is a specialist company offering analysis, remediation and waterproofing for moisture- and mold-related building damage. Services include internal and external waterproofing, horizontal barriers, crack injection, balcony and basement/garage floor restoration, mold remediation and drying interventions.
ResomuR AG
Pfeffingen · Since 1993 · 1–10 empl.4.9(19)
The core activity of ResomuR AG is the development, manufacture and distribution of building materials, particularly thermal insulation systems, paints and varnishes. The company also provides consulting services for planners and architects in insulation-related matters and prepares tenders.
Abdichtungsbau Durrer AG
Alpnach Dorf · Since 1998 · 11–20 empl.4.4(26)
The core activity of Abdichtungsbau Durrer AG is flat roof construction, particularly the sealing and sheet metal work of roofs, as well as the creation of sustainable solutions for the construction of flat roofs and other buildings.
Jasari Bauabdichtungen GmbH
Zwingen · Since 2010 · 1–10 empl.5.0(19)
The core activity of Jasari Bauabdichtungen GmbH is the provision of services in the field of building sealing, building drying and floor coating, including the repair of water damage and the execution of sealing works, such as joint sealing, Combiflex sealing and liquid plastic sealing.
Werner Isolierwerk AG Visp
Visp · Since 1974 · 1–10 empl.4.9(19)
The company Werner Isolierwerk Visp is engaged in insulation work, particularly in the manufacture and distribution of insulation materials and systems.
Isoteam Innenbautrend AG
Thun · Since 2001 · 11–20 empl.4.5(25)
The core activity of Isoteam Innenbautrend AG encompasses the provision of comprehensive solutions for various trades in the field of interior finishing, specifically: thermal, sound and fire protection insulation, plastering, painting, ceiling construction and acoustic solutions, as well as sheet metal production (sheet metal parts). The company offers these services as a full-service provider, focusing on delivering high-quality work in the field of interior finishing.
Burmak AG
Bergdietikon · Since 2014 · 11–20 empl.4.7(21)
The company's core activity is the manufacture and distribution of materials and equipment for flat roof construction, as well as the provision of cutting services using modern machines such as the water jet machine and the G3 Digital Cutter. The company also offers a repair service, rental equipment for roof renovation, and an online shop.
Micco Fugen- und Bauabdichtungen GmbH
Hinwil · Since 2014 · 1–10 empl.5.0(23)
The core activity of Micco Fugen- und Bauabdichtungen GmbH is the execution of joint sealing, joint renovation, fire protection joints and foil sealing in the interior and exterior of buildings.
Beni Fugen Abdichtungen GmbH
Basel · Since 2020 · 1–10 empl.5.0(46)
The core activity of Beni Fugen Abdichtungen GmbH is the execution of joint renovations, application of joint sealants, silicone/hybrid joints, thermal insulation, building sealing and injections for damage repair of cracks in concrete. The company specializes in the professional processing and selection of sealing materials for a functional and elastic joint, particularly in the area of terraces, balconies, bathrooms and building sealing.
REGLI Brandschutz & Beratung GmbH
Dottikon · Since 2021 · 1–10 empl.5.0(41)
REGLI Brandschutz & Beratung GmbH provides chimney sweeping services, official combustion (feuerung) inspections and maintenance of heating plants, including cleaning of oil, gas and wood-fired systems. The company offers fire-safety consulting and quality-assurance (QS) in fire protection up to QSS2 under VKF authorization, and provides building energy advisory services.
Bernaroof AG
Bern · Since 1983 · 11–20 empl.4.4(25)
The company is primarily active in the construction industry, particularly in the areas of roofing, facade construction, sheet metal work, photovoltaics, and customer service. It offers services such as needs assessment, consulting, project management, and execution of construction projects.
SITAF SA
Davesco-Soragno · Since 2000 · 1–10 empl.5.0(15)
SITAF SA is a construction company focused on building-envelope works, offering flat and pitched roofs, ventilated and coated facades, and roof infiltration detection. Services also include asbestos removal, fire-protection coatings, renovations and resin coatings, and the design and installation of photovoltaic systems.
Walder Abdichtungstechnik GmbH
St. Gallen · Since 2020 · 1–10 empl.5.0(33)
The core activity of Walder Abdichtungstechnik GmbH is the planning, consulting, processing and execution of sealing and sealing solutions for civil engineering and construction, particularly in the areas of joint sealing, joint renovation, fire protection, coatings, pipe sealing, structural glazing and PU injections.
Geneux Dancet SA
Meyrin · Since 1916 · 21–50 empl.4.1(17)
Geneux Dancet SA is a company specializing in waterproofing, providing services for flat roofs, terraces, balconies, resin finishes and buried waterproofing/tanking. The company also carries out metalwork and roofing, annual maintenance, diagnostic reports and project studies, and operates an emergency service.
Balzan et Immer S.A.
Cheseaux-Sur-Lausanne · Since 1962 · 21–50 empl.4.3(11)
The core activity of Balzan + Immer SA is the manufacture and distribution of floor coverings and coatings, particularly Chapes (concrete and screed work) and Revêtements de sols (floor coverings based on resins). The company also offers specialized services such as Etanchéités en résine et minérales (sealing works with resins and minerals) and Travaux spéciaux (special deployments).
Fugenfix GmbH
Buchs Zh · Since 2014 · 1–10 empl.5.0(14)
The core activity of FugenFix is the execution of joint sealing and renovation, including elastic joint sealing, mortar joints, fire protection and renovation of silicone joints, cracked plates or open cement joints. The company also offers services in the field of vapor barriers, waterproofing membranes and sealings.

Litscher GmbH
Waldkirch · Since 2019 · 1–10 empl.5.0(5)
Die Kernaktivität des Unternehmens Litscher GmbH besteht in der Erstellung von Bauexpertisen sowie der Beseitigung von Schimmelpilz und der Verbesserung des Raumklimas. Das Unternehmen bietet Dienstleistungen wie Schimmelbekämpfung, Geruchsbekämpfung sowie den Verkauf von Desinfektionsmittel an. Sie richtet sich an Firmen und Private, insbesondere an Versicherungsgesellschaften, Immobilienfirmen, Verwaltungen und Verbände sowie an Eigentümer von Wohnhäusern und Wohnungen.
Müller Isoliertechnik und Deckenbau AG
Möhlin · Since 1996 · 11–20 empl.5.0(12)
The core activity of Müller Isoliertechnik und Deckenbau AG encompasses the planning, execution and maintenance of insulation and fire protection measures in the areas of building services installations, industrial plants, renovations, conversions and new constructions. This specifically includes: thermal insulation, cold insulation, soundproofing, passive fire protection, insulation sheet metal work, ventilation insulation, duct systems, ceiling construction, fire protection tenders and their implementation. The company offers these services to commercial and private customers, emphasizing commitment, expertise and reliability.
PHIDA Ferblanterie (VD) SA
Denges · Since 2002 · 21–50 empl.4.3(16)
PHIDA Ferblanterie (VD) SA operates in sheet‑metal work and roofing. It designs, manufactures and installs metal roofing components, performs roof coverings using tiles, panotron, metal sheets, fibre cement or slate, and provides roof insulation, roof‑window installation, photovoltaic integration, renovation and restoration works, special projects and fall‑protection systems.
Impact Acoustic AG
Lucerne · Since 2019 · 51–100 empl.4.4(17)
The company's core activity is the development and manufacture of environmentally friendly acoustic solutions, particularly acoustic materials and products such as acoustic curtains, ceiling baffles, ceiling panels, walls, room dividers, table dividers, lighting and accessories. The company focuses on the use of sustainable materials and produces products that meet the needs of the architecture and design industry.
PHIDA Étanchéité (VD) SA
Renens Vd · Since 1970 · 21–50 empl.4.3(16)
PHIDA Étanchéité (VD) SA specialises in waterproofing and building-envelope services for flat roofs, terraces, facades and walls. It provides installation and repair of waterproofing systems, resin coatings, technical studies, diagnostics, maintenance and emergency interventions.
PHIDA Façade (NE) SA
La Chaux-De-Fonds · Since 1972 · 21–50 empl.4.3(16)
PHIDA Façade (NE) SA designs and delivers ventilated façades and façade cladding systems. Offerings include a range of cladding materials (polyethylene panels, metal and mineral panels), technical studies and project execution within the PHIDA group.
PHIDA SIFFERT Étanchéité (FR) SA
Grolley · Since 1987 · 21–50 empl.4.3(16)
PHIDA SIFFERT Étanchéité (FR) SA provides waterproofing and insulation services for flat roofs, terraces, walls and facades for both new-build and renovation projects. The company also performs technical studies, maintenance and emergency repairs and assists with subsidy procedures.
PHIDA Sanitaire SA
Neuchâtel · Since 1990 · 21–50 empl.4.3(16)
PHIDA Sanitaire SA carries out installation, renovation and maintenance of sanitary equipment, taps and pipework. The company also provides emergency repairs, preventive maintenance contracts, water and fluid network management and technical consultancy.
PHIDA Étanchéité (JU) SA
Delémont · Since 1990 · 21–50 empl.4.3(16)
PHIDA Étanchéité (JU) SA is a company providing building waterproofing and envelope services. Its activities include waterproofing of flat roofs, terraces, walls and facades, along with sheet‑metal roofing, resin floor and surface systems, façade work, sanitary installations, technical studies and emergency interventions.
CURAU AG
Weinfelden · Since 1990 · 11–20 empl.4.4(14)
CURAU AG provides building insulation and renovation services, including roof, wall and ceiling insulation. The company uses materials such as cellulose insulation (Isofloc) and rock wool and performs related repair work, for example remediation after marten damage.
Aldec AG
Entlebuch · Since 1995 · 21–50 empl.5.0(8)
The core activity of Aldec AG includes the manufacture and processing of various materials and products, particularly: rubber profile production, 3D printed parts, plastic injection molded parts, and coatings (spraying and dipping processes). In addition, the company also offers security solutions, such as: alarm systems (Jablotron alarm system), mechanical safes, video surveillance, and safes and gun cabinets. Therefore, the company offers a combination of industrial manufacturing and security services.
PHIDA Étanchéité (Riviera) SA
Fenil-Sur-Corsier · Since 1997 · 21–50 empl.4.3(16)
PHIDA Étanchéité (Riviera) SA provides building-envelope and waterproofing services, including flat roof and terrace waterproofing, wall and façade sealing, and renovation work. Its service range also includes metal roofing and sheet-metal work, resin seamless flooring, ventilated façades, sanitary installations, technical expertise, emergency repairs, project studies and subsidy assistance.
PHIDA Étanchéité (VS) SA
Evionnaz · Since 1997 · 21–50 empl.4.3(16)
PHIDA Étanchéité (VS) SA specializes in waterproofing and thermal insulation for flat roofs, terraces, facades and industrial buildings. Services include bituminous and synthetic membrane systems, green roofs, photovoltaic roof preparation, maintenance, leak detection and assistance with subsidy applications.
Isotech Ticino SA
S. Antonino · Since 1999 · 11–20 empl.4.9(10)
The core activity of Isotech Ticino SA is to provide services and solutions in the construction industry, particularly in the areas of: * Pavement systems for various applications such as sports, industry, healthcare and parks * Waterproofing for buildings and facilities * Concrete restoration * Static reinforcement with carbon fibers * Design assistance The company thus offers a wide range of services and solutions for the construction industry, from planning and consulting to the execution of work in the areas of pavement systems, waterproofing and structural engineering.
PHIDA Étanchéité (GE) SA
Le Lignon · Since 2002 · 21–50 empl.4.3(16)
PHIDA Étanchéité (GE) SA provides waterproofing and building-envelope services, offering installation, renovation and maintenance for flat roofs, terraces, walls and façades, together with related services such as resin coatings and roof metalwork.
The industry in figures
Geographic distribution
Colour intensity by number of companies per canton.
Source: commercial register (Zefix) · as of October 12, 2026
Sealing & Insulation by place
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Related industries
Counted nationally, across all cantons.