Sealflex Voegafdichtingen

What Sealflex Voegafdichtingen does

Sealflex Voegafdichtingen BV is a privately-held Dutch specialist contractor founded in 1989 and headquartered in Etten-Leur, Netherlands. The company applies high-performance joint sealing (voegafdichting) and epoxy systems for new construction and renovation across six verticals: petrochemical, healthcare/laboratories, food production, social housing, parking garages, and general construction. Its core technical capability spans silicone sealants, polysulfide kits, hypalon plastic strips, Mapei epoxy products, and SABA Dinxperlo sealing systems, complemented by proprietary self-fabricated wide finishing tools for broad vertical bridge joints and ETA-certified structural glazing silicones under ETAG 002.

The product portfolio is anchored by the proprietary Sealflexibles line — Pro-S (neutral-curing alcoxy silicone for connection and dilatation joints) and C01 (versatile, mold-resistant, plasticizer-free silicone for construction, glazing, facade, sanitary, natural stone and pool joints) — alongside branded application services such as the Sealflex Systeem for petrochemical tank annular sealing. The company is differentiated by a dense certification stack (KIWA ISO 9001, KIWA Vloeistofdicht, KIWA VGM, Kwaliteitswaarborg, SIKB, SBB, NIBV, IseAGA, ETA) and 35+ years of craft experience working under stringent protocols including Protocol 7711 for liquid-tight petrochemical sealing.

The business model is exclusively B2B: Sealflex works only for zakelijke opdrachtgevers (commercial clients), delivers all work through its own specialized workforce on-site, and sells via consultative project-based quotes rather than e-commerce. Pricing is not publicly disclosed, contracts can run multi-year, and recurring maintenance engagements are positioned to extend joint life to 20+ years. Marketing is modest — website plus organic social on LinkedIn, Facebook, X, Pinterest, Instagram, YouTube and TikTok — with no paid advertising. Geographic reach is centered on the Netherlands with adjacent Benelux spillover, and the firm holds no disclosed institutional investors, subsidiaries, or M&A activity.

Name

Sealflex Voegafdichtingen

Legal name

Sealflex Voegafdichtingen BV

Website

https://sealflex.nl

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

11–50 employees

Short description

Sealflex Voegafdichtingen BV is a privately-held Dutch specialist contractor, founded 1989 and based in Etten-Leur, that applies joint sealing and epoxy systems for B2B clients across petrochemical, healthcare, food, housing, parking, and construction projects. Work is delivered by its own certified workforce using proprietary Sealflexibles silicone kits and SABA Dinxperlo systems.

Ownership category

akta.pro rank

Product category

Industrial Sealing & Epoxy Coating Services

NAICS

Painting and Wall Covering Contractors (23832)

SIC

Adhesives & Sealants (2891)

akta.pro primary industry

Sealants, Expansion Joints & Weatherproofing (Caulking, Joint Systems) (IMAFAMAF)

akta.pro secondary industries

Sealants (Construction & Industrial) (IMAEAGAI), Concrete/Brick/Stone Sealing (Masonry Sealants) (HSAGADAH), Construction Sealants (Joint, Façade & Perimeter) (IMADAOAB)

Keywords

• Joint sealing services
• Epoxy flooring systems
• Industrial sealant application
• Petrochemical sealing
• Construction waterproofing services

Headquarters

HQ city

Etten

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Joint sealing services: Sealflex provides professional joint sealing application services for new construction and renovation projects, delivered by its own specialized workforce. Revenue is generated on a project basis as a specialist contractor. Services include inspection, preventive maintenance, and application of sealing kits.
2. Epoxy works: Specialist epoxy application services for demanding environments such as swimming pools, hospitals, kitchens, saunas, sanitary spaces, and laboratories, using Mapei epoxy products.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Sealflex Voegafdichtingen BV is a Dutch specialist contractor that performs joint sealing (voegafdichting), epoxy floor and wall coating, and related specialty coating services for B2B clients. The company serves asset-intensive, regulated industries including petrochemical facilities, healthcare/laboratories, food production, housing associations, parking garages, and general construction, and complements its application services with the proprietary Sealflexibles Pro-S and C01 silicone sealant kits, the Sealflex Systeem for storage tank annular sealing, and multi-year preventive maintenance contracts.

Product overview

Sealflex Voegafdichtingen BV is a Dutch construction services company founded in 1989, specializing in joint sealing and epoxy work for both new applications and renovation of existing joint work. The company's core product line includes Sealflexibles Pro-S and Sealflexibles C01, their own brand silicone sealing kits designed for various construction applications. Their service portfolio encompasses diverse sealing solutions including new construction, bathrooms, renovation, dilatation/expansion joints, bridge joints, structural glazing, antibacterial sealing, epoxy work, liquid-tight sealing, petrochemical applications, and parking garages. They also offer the Sealflex Systeem for specialized industrial tank sealing applications. Sealflex serves business clients only (B2B) and operates in the petrochemical industry which demands high-quality materials and specialized expertise.

Differentiator

Problem solved

Functional benefit

Brands

• Sealflexibles: A product line of sealing kits including Sealflexibles Pro-S (neutral curing 1-component silicone sealant) and Sealflexibles C01 (versatile, fungus-resistant, plasticizer-free neutral-curing sealant) for various construction and sanitary applications.

Products and services

• Sealflexibles Pro-S Proprietary silicone sealant kit sold as a branded product; supplied and applied by Sealflex for joint sealing assignments.
• Sealflexibles C01 Proprietary silicone sealant kit variant sold alongside Pro-S as part of Sealflex's branded product line.
• Sealflex Systeem Branded specialist service for sealing the annular space of industrial storage tanks, applied by Sealflex's own workforce for petrochemical and industrial clients.
• Joint Sealing Services (Voegafdichting) Application of joint sealants to expansion, construction, and structural joints in buildings, parking garages, and industrial facilities, delivered by Sealflex's in-house workforce for B2B clients.
• Epoxy Floor and Wall Works (Epoxywerken) Application of epoxy floor and wall coating systems for industrial, commercial, healthcare, laboratory, and food-production environments, performed by Sealflex's specialized workforce.
• Multi-Year Preventive Maintenance Contracts Multi-year inspection and preventive maintenance agreements covering resealing of joints and upkeep of sealed/coated surfaces for asset-intensive B2B clients.

Quantifiable outcome

• Preventive maintenance can extend the lifespan of sealing to 20+ years
• +1 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• SABA DinxperlocoreStrategic or Co-development PartnerSealflex uses SABA Dinxperlo sealing systems for complex sealing applications, particularly in port and industrial areas for storage tank annular sealing, and for parking garage sealing. SABA systems are chosen for their ability to handle broad vertical bridge joints and to bridge differences in movement caused by temperature variation and substrate settlement. The partnership is strategic as it underpins Sealflex's service offerings in its most demanding and important market segments.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Sika: Sika is a global construction-chemicals incumbent offering sealants, adhesives, and waterproofing systems, with application services in many markets. It competes with Sealflex at the product level and increasingly in applied sealing for construction and industrial projects across Europe.
• Soudal: Soudal is one of Europe's largest independent sealant, adhesive, and PU-foam manufacturers, headquartered in Belgium. It overlaps with Sealflex on silicone and joint-sealant chemistries used in construction and industrial sealing.
• Hempel: Hempel is a global coatings manufacturer with a strong presence in protective and marine coatings, including specialty sealants and tank linings. It addresses the same petrochemical, marine, and industrial asset-protection buyers Sealflex serves in storage-tank applications.
• AkzoNobel: AkzoNobel is a Dutch-headquartered global paints and coatings major with sealants, protective coatings, and specialty finishes. As a Dutch incumbent, it competes broadly for the same B2B construction and industrial customers Sealflex targets.
• Bostik: Bostik is a global adhesives and sealants producer (now part of Arkema) serving construction, industrial, and consumer markets. Its product portfolio overlaps with Sealflex's silicone and construction-sealant offerings, especially via the legacy Den Braven brand in Benelux.
• BASF Master Builders Solutions: BASF's Master Builders Solutions division supplies construction chemicals including sealants, waterproofing, and epoxy systems used in infrastructure and industrial facilities. Its product portfolio overlaps Sealflex's epoxy and joint-sealing offerings.
• Tremco: Tremco is a long-established North American and European supplier of construction sealants, waterproofing, and façade systems. It targets the same structural-glazing, weatherproofing, and joint-sealing applications that anchor Sealflex's premium service lines.

Direct peers

• SABA Dinxperlo: SABA Dinxperlo is a Dutch manufacturer of industrial and construction sealants and a strategic partner of Sealflex. Both operate in the Dutch market serving petrochemical, infrastructure, and construction sealing needs, with SABA supplying the systems Sealflex applies.

Others

• Mapei: Mapei is a global manufacturer of construction chemicals, including epoxy and sealing systems used by Sealflex in pools, hospitals, kitchens, and laboratories. As a key upstream supplier, Mapei shapes the chemistries that Sealflex deploys and occasionally offers its own application services.
• Würth: Würth is a global industrial-supplies distributor offering sealants, adhesives, and chemical-fixings products alongside installation services in some markets. It is an adjacent ecosystem player rather than a direct competitor to Sealflex's specialist contracting model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/sealflexbv
• YouTubeyoutube.com/channel/UCf_o99jh5gEvHBurZbZRqfQ
• Facebookfacebook.com/sealflexbv
• LinkedInlinkedin.com/company/sealflex-voegafdichtingen-bv
• Instagraminstagram.com/sealflexbv
• Pinterestpinterest.com/sealflexbv
• TikToktiktok.com/@sealflex26

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sealflex Voegafdichtingen