iMPREG

What iMPREG does

IMPREG GmbH is a German Mittelstand manufacturer founded in 1999 and headquartered in Ammerbuch near Tübingen, specialising in UV-cured-in-place-pipe (UV-CIPP) glass-fibre-reinforced-plastic (GRP/GFK) liner systems for trenchless sewer and pipe rehabilitation. Its core product, the IMPREG Liner GL16, is engineered for pipe diameters from DN 150 to DN 2000, manufactured in-house with proprietary polyester or vinyl ester resin impregnation under strict quality control and cured using UV light trains. The company holds a patent on its yellow UV-protective outer foil and pioneered the world's first DN 2000 GRP liner in 2021; all products carry DIBt general building approval and the company is certified to ISO 9001 and ISO 14001. The portfolio is complemented by glide foil, support caps, and a reusable airlock, forming an end-to-end "Rundum-sorglos-Paket" (complete care package). The business monetises through (i) one-time project-based liner and resin sales, (ii) bundled training, on-site application-engineering, and project-management services, and (iii) a usage-based equipment rental park for UV curing units and hydraulic conveyor belts. Customers are served via direct enterprise field sales across DACH, EMEA, UK, International, and Eastern Europe & Nordics regions. IMPREG sells to two primary customer segments: municipalities, cities, and engineering offices responsible for wastewater and stormwater infrastructure (primary), and industrial operators requiring chemical- and temperature-resistant drainage solutions. Sewer-rehabilitation contractors are a primary direct-purchaser channel, acting as both technical end-users of IMPREG's training and application support and as installation partners on flagship reference projects. The company operates three production facilities (Ammerbuch and Gärtringen in Germany, Richmond VA in the USA, Suzhou/Taicang in China) and warehouses in Oceanside CA (USA), Sydney (Australia), and Camberley (UK), with regional sales offices in DACH and internationally. Pricing is quote-based per project; revenue figures are not publicly disclosed. Leadership was refreshed in 2024–2025 with Guido Wey appointed Managing Director of IMPREG GmbH and Frank Goede appointed CEO of the IMPREG Group effective 1 March 2025.

Name

iMPREG

Legal name

IMPREG GmbH

Website

https://impreg.de

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

51–100 employees

Short description

IMPREG GmbH is a German manufacturer of UV-cured glass-fibre (GRP) CIPP liner systems for trenchless sewer and pipe rehabilitation (DN 150–DN 2000), serving municipalities, industrial operators, and rehabilitation contractors globally through direct enterprise sales, training, and equipment rental.

Ownership category

akta.pro rank

Product category

Trenchless Pipe Rehabilitation Products

NAICS

Plastics Pipe and Pipe Fitting Manufacturing (326122)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Trenchless/Directional Drilling Ducts & Conduit (IMANADAI)

akta.pro secondary industries

Water & Sewer Pipe & Fittings (PVC/HDPE/PP) (IMANADAA), Industrial Process & Chemical-Resistant Pipe Systems (CPVC/PVDF/PP) (IMANADAF)

Keywords

• UV-CIPP liner systems
• Trenchless pipe rehabilitation
• Glass fiber reinforced liners
• Sewer rehabilitation products
• CIPP installation equipment

Headquarters

HQ city

Hofstett-emerbuch

HQ country

Germany

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. CIPP liner product sales: IMPREG manufactures and sells GRP/GFK UV-CIPP liner systems (IMPREG Liner GL16 and variants) in diameters DN 150 to DN 2000, along with specialty resin systems. Products are sold directly to sewer rehabilitation contractors, municipalities, and industrial operators. Revenue is generated on a per-project, per-order basis. The company also offers vinyl ester resin variants and dimension-change liner options for premium applications.
2. Support, training and application engineering services: IMPREG provides on-site application technician support, custom training programs for installation teams, and technical project management for complex or large-dimension projects. Services are bundled with product sales and represent a recurring service component.
3. Equipment rental park: IMPREG offers rental equipment including UV curing units and hydraulic conveyor belts for pipe rehabilitation projects, providing a supplementary recurring revenue stream from contractors who prefer not to purchase equipment outright.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

IMPREG manufactures and sells UV-cured-in-place-pipe (UV-CIPP) glass fiber reinforced plastic (GRP/GFK) liner systems for trenchless rehabilitation of sewer and wastewater pipes in diameters DN 150 to DN 2000. The core product is the IMPREG Liner GL16, complemented by accessory products (glide foils, support caps, reusable airlocks), specialty resin systems (polyester and vinyl ester), equipment rental of UV curing units, and on-site training and application engineering services. Customers are sewer rehabilitation contractors, municipalities, and industrial operators across DACH, EMEA, UK, International, and Eastern Europe & Nordics regions.

Product overview

IMPREG is a manufacturer of UV-CIPP (Cured-In-Place Pipe) trenchless pipe rehabilitation systems. The core product is the IMPREG Liner GL16, a glass fiber reinforced plastic liner cured using UV light technology for pipe diameters DN 150 to DN 2000. The product portfolio is complemented by accessory products including Gleitfolie (Glide Foil) for pipe surface preparation, Stützkappen (Support Caps) for shaft and intermediate shaft areas, and Wiederverwendbare Luftschleuse (Reusable Airlock) for UV light source insertion. Together, these products form a complete 'Rundum-sorglos-Paket' (complete care package) for trenchless sewer and pipe rehabilitation. IMPREG liners are manufactured with specialized resin systems (polyester or vinyl ester) and cured using proprietary UV technology for fast installation with up to 3 pipeline sections per day.

Differentiator

Problem solved

Functional benefit

Brands

• IMPREG Liner GL16: The latest generation UV-curing CIPP liner developed for pipe rehabilitation from DN 150 to DN 2000, featuring new fibreglass construction and improved material properties.
• IMPREG Liner GL13

Products and services

• IMPREG Liner GL16 Latest-generation UV-curing glass fiber reinforced plastic (GRP/GFK) CIPP liner for trenchless pipe and sewer rehabilitation in diameters DN 150 to DN 2000. Designed for sewer rehabilitation contractors, municipalities, and industrial operators needing large-diameter rehabilitation with certified 50+ year working life.
• IMPREG Liner GL13 Previous-generation UV-curing GRP/GFRP CIPP liner for trenchless pipe rehabilitation in diameters up to DN 1500, sold to sewer rehabilitation contractors and municipalities. Predates the GL16 platform.
• IMPREG Liner for UV Curing (UV-Aushärtung) Original UV-curing CIPP liner product introduced by IMPREG in 2002, replacing earlier steam-cured technology and establishing the company's UV-curing foundation.
• Gleitfolie (Glide Foil) Protective sliding film that acts as a protective skin on the underside of the liner, covering sharp edges and obstacles in pipes to prevent damage during installation and reducing friction for easier insertion. Sold as a complementary product to sewer rehabilitation contractors.
• Stützkappen (Support Caps) Specially developed support caps made from durable, tear-resistant PVC material for shaft areas and intermediate shaft areas, ensuring the liner is not overstretched or damaged in unsupported sections. Sold as a complementary product to sewer rehabilitation contractors.
• Wiederverwendbare Luftschleuse (Reusable Airlock) Reusable multi-way airlock for efficient installation of UV-CIPP liners, simplifying the insertion of UV light sources when the liner is calibrated. Sold as a complementary product to sewer rehabilitation contractors.
• Equipment Rental Park (Mietpark) Rental of UV curing units and hydraulic conveyor belts for pipe rehabilitation projects on a project-duration basis, for contractors that prefer not to purchase equipment outright.
• Training and Application Engineering Services Custom training programs for installation teams, on-site application technician accompaniment during initial installations, and technical project management for complex or large-dimension projects. Provided to sewer rehabilitation contractors as bundled services with product sales.

Quantifiable outcome

• Up to 3 pipe sections rehabilitated per day, with pipes immediately returned to service after UV curing
• +5 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eight partnerships are on record, tiered key project partner, flagship project client and collaborator, key installation partner, project partner, key client and project owner, technology partner, key technology partner and technical support partner.

• Meiri Technologieskey project partnerTechnology or Integration · 1 January 2025Meiri Technologies collaborated with IMPREG on the landmark DN 2000 GFK liner project in Israel (Tel Aviv). Meiri Technologies served as a local technical and operational partner alongside IMPREG and Igudan, contributing to project management and execution of the first DN 2000 UV liner installation in the Middle East.
• Igudan (Dan Region wastewater authority)flagship project client and collaboratorStrategic or Co-development Partner · 1 January 2025Igudan operates the Dan Region wastewater treatment facilities and supervised the DN 2000 large-collector rehabilitation project in Tel Aviv, Israel. As the client and operator, Igudan partnered with IMPREG and Meiri Technologies to execute the pioneering project, representing a strategic reference for IMPREG's large-diameter capabilities in the Middle East.
• Kumpen Renovatietechniekenkey installation partnerImplementation/ SI/ Consulting Partner · 1 January 2024Kumpen Renovatietechnieken was the lead installation contractor for the record-breaking Bruges DN 2000 project in Belgium (159m length, 45.2 tonnes). The CEO cited IMPREG's technical expertise, collaborative approach, and liner quality as decisive factors in the project's success, indicating a strong long-term partnership relationship.
• Smet Groupproject partnerImplementation/ SI/ Consulting Partner · 1 January 2024Smet Group collaborated with IMPREG and Kumpen Renovatietechnieken on the multi-DN Bruges sewage rehabilitation project, contributing to the execution of one of IMPREG's most complex international projects to date.
• Aquafin NVkey client and project ownerOthers · 1 January 2024Aquafin NV is the operator of the sewage collection system in Bruges, Belgium, and the project owner for the multi-DN large-dimension rehabilitation project that included the world's heaviest IMPREGLiner (DN 2000, 45.2 tonnes). IMPREG's consulting and technical team supported the project from planning through final acceptance.
• Vorbatectechnology partnerTechnology or Integration · 1 January 2024Vorbatec supplied the UV Zugpacker (UV pull-in packer) used in the Bruges DN 2000 project, enabling efficient and safe installation of the 45.2-tonne liner. The innovative UV Zugpacker contributed to the project's efficiency and safety.
• ProKASROkey technology partnerTechnology or Integration · 1 January 2024ProKASRO supplied the Power UV system used for the Bruges record project (three Jumbo cores at 3×6×2,000 W = 36,000 W total) and also collaborated on the world's first DN 2000 GFK liner installation on 17 March 2021 in Parma, Italy. ProKASRO is a long-standing technology integration partner for IMPREG's UV curing equipment.
• Flowcore Technical Solutions Ltd.technical support partnerTechnology or Integration · 1 January 2024Flowcore Technical Solutions Ltd. provided valuable technical support throughout the Israel DN 2000 project, contributing to the project's success as a regional technical partner.

Scale indicators7 records

Recent moves13 records

Expansion highlights5 records

Direct peers

• National Liner LLC: National Liner is a US-based manufacturer of CIPP liners, including felt and GRP varieties used in municipal sewer rehabilitation. It serves as a North American competitor to IMPREG's US production facility in Richmond, Virginia.
• RelineEurope GmbH: RelineEurope produces the well-known Alphaliner brand of UV-cured GRP CIPP liners, directly competing with IMPREG across municipal and industrial pipe rehabilitation segments. The company is similarly Germany-headquartered and serves the European and international CIPP liner market.
• Brandenburger Liner GmbH & Co. KG: Brandenburger Liner (BBL) is a German manufacturer of UV-curable GRP CIPP liners, offering a direct competing product range to IMPREG's GL16 across pipe diameters. The two companies compete head-to-head in the German and European trenchless rehabilitation markets.
• Saertex multicomp GmbH: Saertex multicomp is a German manufacturer of GRP (glass-fiber reinforced plastic) reinforcement fabrics and multiaxial non-crimp fabrics specifically engineered for CIPP liner production. It is a direct competitor to IMPREG in supplying the GRP core materials used in UV-cured trenchless pipe rehabilitation.

Broad incumbents

• Trelleborg AB: Trelleborg is a Swedish engineered polymer group with a pipe rehabilitation business offering seals, liners, and rehabilitation solutions. As a broad incumbent, it overlaps with IMPREG in polymer-based pipe technologies but operates across many industrial verticals beyond trenchless rehabilitation.
• Sekisui Chemical Co., Ltd. Sekisui Chemical is a Japanese diversified chemical manufacturer with a significant pipe rehabilitation business through its SPR/EX spiral-wound and Rib-Loc products. It is a broad incumbent offering CIPP-related products as part of a much larger global chemicals and infrastructure portfolio.
• HammerHead Trenchless Equipment: HammerHead Trenchless (part of the Aegion group) is a US-based manufacturer of trenchless installation and rehabilitation equipment, including CIPP-related tooling. It is a broad incumbent that overlaps with IMPREG in the broader trenchless rehabilitation ecosystem rather than competing directly in GRP liner manufacturing.
• Aegion Corporation: Aegion (acquired by New Mountain Capital) is a US-based trenchless infrastructure rehabilitation company operating through subsidiaries including Insituform and HammerHead Trenchless. It competes with IMPREG indirectly through its CIPP liner manufacturing capabilities and installation services in North America.

Others

• ProKASRO Mechatronik GmbH: ProKASRO is a German manufacturer of UV curing equipment and light trains specifically designed for CIPP liner installation. It is a key technology partner of IMPREG (powering the record Bruges DN 2000 project) and represents an adjacent enabling technology provider rather than a direct liner competitor.

Emerging players

• S1E Ltd: S1E is a UK-based specialist in CIPP and trenchless rehabilitation products, providing liner systems and UV curing equipment. It overlaps with IMPREG in the UK market and represents an emerging direct peer in the British trenchless rehabilitation segment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

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Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries4 records

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 iMPREG