Waterproofing in the
Canton of Valais

62 companies in Waterproofing based in the Canton of Valais — name and year of registration from the commercial register.

Companies

50 of 62 companies

Werner Isolierwerk AG Visp Logo

Werner Isolierwerk AG Visp

Since 1974 · 1–10 empl.4.9(19)

Werner Isolierwerk AG Visp provides technical insulation, structural fire protection, interior fit-out and sealing services. Its activities include project advice and planning, implementation, maintenance and upkeep.

InsulationStructural fire protectionTechnical insulationInterior fit-out
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Gruber Polybau AG Logo

Gruber Polybau AG

Since 1986 · 1–10 empl.4.9(15)

Gruber Polybau AG carries out sheet-metal work, roofing and waterproofing, and installs facades. Its services also include renovations of flat roofs, pitched roofs and facades.

WaterproofingRoofing workSheet metal workFlat roof work and waterproofing
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
PHIDA Étanchéité (VS) SA Logo

PHIDA Étanchéité (VS) SA

Since 1997 · 21–50 empl.4.3(16)

PHIDA Étanchéité (VS) SA carries out waterproofing and insulation work on flat roofs, terraces and façades. Its services also include green and photovoltaic roofs, roof maintenance, leak detection, technical assessments and consulting.

Facade constructionWaterproofingSheet metal works and roofingResin
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #3
Elpol (Valais) SA Logo

Elpol (Valais) SA

Since 1998 · 1–10 empl.4.7(20)

Elpol (Valais) SA applies synthetic resins in building and civil engineering. Its services include seamless floor coatings, waterproofing and injection work, and concrete repair and protection.

WaterproofingSeamless floor coatingsConcrete remediation & protectionRemediation of existing masonry
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #4
Travelletti & Biner SA Logo

Travelletti & Biner SA

Since 2015 · 21–50 empl.4.3(13)

Travelletti & Biner SA specialises in building envelopes, carrying out sheet-metal work, roofing, façade construction and waterproofing. Its work includes forming thin sheet metal and constructing and covering roofs.

WaterproofingSheet-metal workRoofingSanitary installations
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #5
Schmid Bautech AG Bauunternehmung Logo

Schmid Bautech AG Bauunternehmung

Since 2003 · 11–20 empl.4.0(4)

Schmid Bautech AG Bauunternehmung carries out building and civil engineering work as well as specialist construction projects. Its services include building protection, concrete repair and restoration, waterproofing, injections, façade renovation and structural strengthening.

Building contractorBuilding protectionSpecialist worksBuilding works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #6
Plasco AG Logo

Plasco AG

Since 2003 · 11–20 empl.4.3(8)

Plasco AG plans and carries out waterproofing work for building construction, civil engineering and infrastructure projects. Its services include waterproofing for flat roofs, terraces, basements, bridges and tunnels, as well as coatings, injections and custom metalwork.

WaterproofingWaterproofingCoatingsSurface finishes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
PHIDA Résine SA, succursale d'Evionnaz Logo

PHIDA Résine SA, succursale d'Evionnaz

Since 2020 · 21–50 empl.4.3(16)

PHIDA Résine SA, succursale d'Evionnaz specializes in seamless synthetic-resin flooring, terrazzo and waterproofing. Its services also include surface preparation and treatment, as well as the repair and protection of reinforced concrete.

WaterproofingResin floor coatingsWaterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Mega SA Travaux Spéciaux Logo

Mega SA Travaux Spéciaux

Since 1976 · 1–10 empl.

Mega SA Travaux Spéciaux specializes in specialist construction works. Its services include concrete repair and protection, structural reinforcement, waterproofing, corrosion protection, fire protection and seamless floor coatings.

Building contractorConcrete rehabilitation / Concrete protectionStructural strengtheningSpecial waterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Lourejoints SA Logo

Lourejoints SA

Since 1998 · 21–50 empl.

Lourejoints SA specialises in waterproofing, joint work and the repair of concrete structures. Its services include concrete restoration and injection treatments, seamless resin flooring, and high-pressure water jet demolition.

WaterproofingFloor coatingsJoints and waterproofingConcrete rehabilitation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Ribeiro Revêtement Logo

Ribeiro Revêtement

Since 2005 · 1–10 empl.

Ribeiro Revêtement is a specialist contractor for floor coverings and waterproofing. Its services include tile installation and renovation, natural stone, mosaics, resin and seamless floors, as well as sealing joints, waterproofing strips and injection work.

WaterproofingFloor coveringsWaterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
SERC sàrl Logo

SERC sàrl

Since 2005 · 1–10 empl.

SERC sàrl works in building waterproofing and insulation. Its services include bituminous membranes and resin applications, treatments for carbonation of reinforcing steel, joint work and injections.

InsulationWaterproofingInsulationWaterproofing resins
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
Romain GILLIOZ Sàrl Logo

Romain GILLIOZ Sàrl

Since 2007 · 1–10 empl.

Romain GILLIOZ Sàrl specialises in waterproofing and thermal insulation for flat roofs. Its services also include waterproofing balconies, terraces and foundations, sheet-metal work, and projects for both new construction and renovation.

InsulationThermal insulation of flat roofsBuilding waterproofingBuilding sheet metalwork
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Giovanni Muto SA Logo

Giovanni Muto SA

Since 2009 · 1–10 empl.

Giovanni Muto SA carries out sheet-metal work, roofing and waterproofing. Its services also include roof windows, building and roof insulation, roof maintenance, photovoltaic installations and green roofs.

WaterproofingRoof coveringSheet metal workWaterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Isotec étanchéité Sàrl Logo

Isotec étanchéité Sàrl

Since 2014 · 1–10 empl.5.0(6)

Isotec étanchéité Sàrl carries out waterproofing and thermal insulation work on buildings. Its services include roof installation and maintenance, green roofs and terraces, resin and other floor coverings, and fall-protection systems.

InsulationWaterproofingThermal insulationRoofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
MK Toitures Sàrl Logo

MK Toitures Sàrl

Since 2014 · 1–10 empl.5.0(7)

MK Toitures Sàrl provides sheet-metal work, roofing and waterproofing services. Its work includes new roofs and renovations, as well as roof maintenance, repairs and emergency interventions.

WaterproofingSheet metal roofing workRoofingWaterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Visar & Fils Etanchéité Sàrl Logo

Visar & Fils Etanchéité Sàrl

Since 2017 · 1–10 empl.

Visar & Fils Etanchéité Sàrl carries out waterproofing and insulation work on roofs and terraces. Its services include bituminous roof membranes, resin coatings, sheet-metal work, maintenance and repairs for water ingress.

InsulationRoof waterproofingInsulationSheet metal work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
HR. NEBIU ETANCHEITE Logo

HR. NEBIU ETANCHEITE

Since 2018 · 1–10 empl.

Waterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
Toumi Toiture Sàrl Logo

Toumi Toiture Sàrl

Since 2016 · 1–10 empl.

Toumi Toiture Sàrl carries out roofing, sheet-metal and waterproofing work. Its services also include new construction, renovations and roof maintenance.

WaterproofingSheet-metal workRoof coveringWaterproofing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
CS Etanchéité Sàrl Logo

CS Etanchéité Sàrl

Since 2016 · 1–10 empl.4.4(15)

CS Etanchéité Sàrl carries out roof waterproofing for new buildings and renovation projects. Its services include maintaining and renewing roof waterproofing, as well as sheet-metal work on flat roofs.

WaterproofingRoof waterproofingSheet metal work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Liderpro SA, succursale de Collombey-Muraz Logo

Liderpro SA, succursale de Collombey-Muraz

Since 2020 · 1–10 empl.

Liderpro SA, succursale de Collombey-Muraz is a general building contractor specializing in renovation, waterproofing and insulation. Its services include floor coverings, roofing and sheet-metal work, as well as ground stabilization using resin injection.

InsulationRenovationWaterproofing and insulationResin injection
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #21
VS Etanchéité SA Logo

VS Etanchéité SA

Since 2023 · 1–10 empl.5.0(5)

VS Etanchéité SA is a construction company specialising in flat-roof work. Its services include waterproofing and insulation, roof maintenance, green roofs, sheet-metal work, roof coverings, paving and renovation.

InsulationWaterproofing and insulationRoof maintenanceGreen roofs
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #22
LB Toiture Sàrl Logo

LB Toiture Sàrl

Since 2012 · 1–10 empl.5.0(4)

LB Toiture Sàrl provides sheet-metal work, roofing, waterproofing and roof insulation. Its services include fitting gutters and roof windows, installing tile and metal coverings, and fitting PREFA products.

WaterproofingSheet metal worksRoof coveringRoof waterproofing
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #23
CS Etanchéité Sàrl, succursale de Grimisuat Logo

CS Etanchéité Sàrl, succursale de Grimisuat

Since 2021 · 1–10 empl.4.4(15)

CS Etanchéité Sàrl, succursale de Grimisuat specialises in roof waterproofing and sheet-metal work. Its services include installing waterproofing systems on new buildings, maintaining and renovating roof waterproofing, and sheet-metal work on flat roofs.

WaterproofingRoof waterproofingSheet metal work
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
LOMMA Constructions Sàrl Logo

LOMMA Constructions Sàrl

Since 2022 · 1–10 empl.

LOMMA Constructions Sàrl is a construction company carrying out masonry, waterproofing and outdoor works. Its services include structural masonry and renovations, as well as paving, patios, retaining walls and earthworks.

Civil worksMasonry workWaterproofingOutdoor fittings
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #25
Resisol Sàrl Logo

Resisol Sàrl

Since 2024 · 1–10 empl.5.0(4)

Resisol Sàrl carries out resin flooring and waterproofing work. Its services include interior and exterior coatings, sealing strips and joints, resin injections, concrete repair and protection, and floor markings.

WaterproofingResin floor coatingsWaterproofingSpecial works
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #26
PLANETE CONSTRUCTIONS Sàrl Logo

PLANETE CONSTRUCTIONS Sàrl

Since 2009 · 1–10 empl.5.0(1)

PLANETE CONSTRUCTIONS Sàrl develops and markets solutions for soil and road stabilization, compaction and waterproofing using Magic Road technology. The company also offers water treatment and desalination.

Civil worksMAGIC ROAD TechnologyPLANET CLEAN WATER TechLUMINO PAINT
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #27
HR Etanchéité Sàrl Logo

HR Etanchéité Sàrl

Since 2023 · 1–10 empl.

HR Etanchéité Sàrl carries out waterproofing and insulation work and installs terrace slabs. Its services include flat-roof and below-ground waterproofing, resin applications and thermal insulation; it also sells slabs.

InsulationWaterproofingThermal insulationLaying and sale of paving slabs
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #28
Ambord Etanchéités Sàrl Logo

Ambord Etanchéités Sàrl

Since 2022 · 1–10 empl.5.0(2)

Ambord Etanchéités Sàrl carries out waterproofing and insulation work on flat roofs, terraces and buried building walls. Its services include work on new builds and renovations, as well as flat-roof maintenance.

WaterproofingFlat roof waterproofingRoof maintenanceRoof thermal insulation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #29
BelleToiture Sàrl Logo

BelleToiture Sàrl

Since 2023 · 1–10 empl.4.8(4)

BelleToiture Sàrl provides sheet-metal work, roofing, insulation and waterproofing services, as well as work involving resin.

WaterproofingSheet metal workRoofingInsulation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #30
2A Etanchéité Sàrl Logo

2A Etanchéité Sàrl

Since 2021 · 1–10 empl.5.0(1)

2A Etanchéité Sàrl carries out roof waterproofing and insulation work, and installs resin and various floor coverings. Its services also include green roofs, terraces, maintenance and fall-protection systems.

InsulationWaterproofingThermal insulationSurface treatment
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #31
J & B Travaux Spéciaux, titulaire Lopes Sanches Logo

J & B Travaux Spéciaux, titulaire Lopes Sanches

Since 2022 · 1–10 empl.5.0(2)

J & B Travaux Spéciaux, titulaire Lopes Sanches carries out specialist work in construction and civil engineering. Its services include waterproofing, structural repair and reinforcement, resin injection, and floor coatings.

WaterproofingWaterproofingRehabilitationFloor coatings
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #32
LOVA-construction Sàrl Logo

LOVA-construction Sàrl

Since 2025 · 1–10 empl.

LOVA-construction Sàrl specializes in waterproofing and building envelopes. Its services include work on flat roofs, terraces, balconies and below-ground structures, as well as roof maintenance, renovations, technical advice, diagnostics and quality control.

WaterproofingFlat Roof and Terrace WaterproofingRoof MaintenanceBuilding Waterproofing Consulting and Diagnostics
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #33
Glob Toiture Sàrl Logo

Glob Toiture Sàrl

Since 2026 · 1–10 empl.

Glob Toiture Sàrl carries out roofing work, including new roofs, renovation and maintenance of roof coverings, timber structures and flat roofs. Its services include sheet-metal work, waterproofing, insulation, roof windows, rainwater drainage and asbestos removal.

WaterproofingRoofing and RenovationSheet Metal Work and Rainwater DrainageRoof Waterproofing and Insulation
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #34
GROUPE TRAVAUX SPECIAUX SA Logo

GROUPE TRAVAUX SPECIAUX SA

Since 2026 · 21–50 empl.

GROUPE TRAVAUX SPECIAUX SA carries out specialist works in building construction, civil engineering and structures. Its services include waterproofing, concrete repair, industrial resin flooring, injection treatments, structural strengthening, diagnostics and expert assessments.

WaterproofingStructural WaterproofingConcrete Repair and RehabilitationIndustrial Floor Coatings
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #35
BBL SA - VALAIS Logo

BBL SA - VALAIS

Since 2026 · 1–10 empl.

BBL SA - VALAIS works in building waterproofing and specialist construction. Its services include waterproofing for flat roofs, terraces and underground structures, as well as technical resins, concrete protection and specialist coatings.

WaterproofingWaterproofingSheet Metal Roofing and RoofingSpecial Waterproofing and Coatings
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #36
DJ Toitures & Fils Sàrl Logo

DJ Toitures & Fils Sàrl

Since 2026 · 1–10 empl.

DJ Toitures & Fils Sàrl provides sheet-metal roofing, roof covering and waterproofing services. The company builds and renovates pitched and flat roofs, including roof drainage, a range of roof coverings and waterproofing for roofs and terraces.

WaterproofingSheet Metal RoofingRoofingWaterproofing
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #37
CTP Concept toitures plates Sàrl Logo

CTP Concept toitures plates Sàrl

Since 2017 · 1–10 empl.

CTP Concept toitures plates Sàrl plans, installs and maintains waterproofing and thermal insulation systems, as well as sheet-metal work for roofs, terraces and civil engineering structures. It also provides consulting and expert services in these fields.

InsulationWaterproofingThermal insulationSheet metal work
No score yet
SWISS-GOMMAGE Sàrl Logo

SWISS-GOMMAGE Sàrl

Since 2018 · 1–10 empl.

SWISS-GOMMAGE Sàrl carries out renovation work and provides cleaning and surface-treatment services, including aero-, hydro- and micro-abrasive blasting on various materials. Its services also include treatments for wood-boring insects, roof treatment, and interior and exterior renovation.

RenovationAero-blastingWood treatmentDry rot treatment
No score yet
Terex Spenglerei GmbH Logo

Terex Spenglerei GmbH

Since 2022 · 1–10 empl.

Terex Spenglerei GmbH carries out sheet-metal and roofing work, including flat roofs, metal façades and lightning protection systems. Its services also include waterproofing, photovoltaic solutions, and maintenance and servicing of building envelopes.

WaterproofingSheet Metal RoofingFlat RoofsLiquid Applied Waterproofing
No score yet
GD

Geneux Dancet SA

Since 1953 · 1–10 empl.

Renovation
No score yet
ER

Etanchéités Robert-Tissot SA

Since 1989 · 1–10 empl.

Waterproofing
No score yet
MB

Maison Bornet SA

Since 1991 · 1–10 empl.

Waterproofing
No score yet
RS

Rénovafond Sàrl

Since 1998 · 1–10 empl.

Waterproofing
No score yet
SA

SikaBau AG

Since 2000 · 1–10 empl.

Waterproofing
No score yet
PV

Pro-Débouchage, Vidanges, Débouchage, Nettoyages Sàrl

Since 2003 · 1–10 empl.

Waterproofing
No score yet
T&

Travelletti & Biner SA, succursale de Grimisuat

Since 2008 · 1–10 empl.

Waterproofing
No score yet
R&

R & S Etanchéité Sàrl

Since 2010 · 1–10 empl.

Waterproofing
No score yet
WS

w.étanchéité Sàrl

Since 2011 · 1–10 empl.

Waterproofing
No score yet
SB

Schmid Bautech AG Bauunternehmung

Since 2012 · 1–10 empl.

Building contractor
No score yet

Waterproofing in the Canton of Valais

62WaterproofingCommercial register (Zefix) · as of November 15, 2026
2016Median year of registrationCommercial register (Zefix) · as of November 15, 2026
62in the Canton of ValaisCommercial register (Zefix) · as of November 15, 2026
1,601in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Waterproofing in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026

Largest places

Sion6Conthey5