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Company Information

Company : TROLINING GmbH

	Sewer relining technology
Year established :	1992
Business :	Manufacturer

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Company name :	TROLINING GmbH-
Street :	Mülheimer Straße 26, DE-53840
City :	Troisdorf
Website :	www.trolining.de/
E-mail :	info@trolining.de
Phone :	49 (0)2241-85 31 25
Fax :	49 2241- -85 35 94
Contact Person :	Management Mr Klaus Schmager
Office Type :	Head office
Country Name :	Germany

Trolining GmbH, a medium-sized company located in Troisdorf / Germany, is recognized as a leader worldwide in the field of trenchless pipe rehabilitation. Trolining started operations in the late 80's, serving the German sewer market as a business unit of plastics processing giant Hüls Troisdorf AG.

An ambitious development program was started at this time with the goal of creating a lining method for pipes satisfying key requirements for transport of wastewaters and in particular highly polluted wastewaters:

- guaranteed 100 % water-tightness
- outstanding chemical and environmental resistance
- high cost efficiency, long service life.

HDPE was the obvious material choice based on its successful track record spanning over 40 years in highly demanding lining applications in the landfill, tunnel and water engineering sectors. The TROLINING process was developed in 1992; Trolining began operations as an autonomous company in the same year.

In 2004 Trolining was sold by HT TROPLAST AG to private investors and the company underwent further streamlining, utilizing advanced management techniques to operate in even closer accordance with customers' needs. Our established worldwide network of sales and installation partners has served local markets successfully for many years. TROLINING ready-to-install liners are fabricated exclusively at our Troisdorf facility, ensuring consistent quality.

Offering a broad range of capabilities and resources, Trolining GmbH is in a position to satisfy users' requirements however diverse they may be. A wide spectrum of technical solutions is provided including stand-alone structural liners, large-diameter line rehabilitation and manhole rehabilitation systems as well as lateral line connection technologies. Quick response to new and ever-changing customer needs is ensured by Trolining's constant commitment to application-oriented research and product development.

Corporate Philosophy

As a provider of complete rehabilitation systems, Trolining GmbH offers technically and economically optimised solutions for almost any problem in the private and public works sectors. Our many years of hands-on experience with the TROLINING process and other established rehabilitation procedures provide a wealth of know-how and expertise that you can benefit from. Ongoing training and further education of our staff ensure professional design and execution even in complex rehabilitation projects.

The Rehab Problem Solvers

Offering wide-ranging expertise, outstanding quality and extensive resources and services, we are the problem solvers you can trust for answers to your rehabilitation needs.

Quality Assurance

TROLINING QA-standards require permanent control by qualified staff, starting from the PE-sheet production, the liner manufacture till the final on-time delivery to the construction site.

Also the rehabilitation itself is subject to QA-procedures. Certificates by independent authorities and institutions are the basis to keep the liner installation quality at the required high level and to give the customer the trust in the TROLINING System.

	A Troliner A Troliner being unwound and drawn into the sewer line. Section lengths of up to 200 m are available depending on the specific line I.D. to be rehabbed.
	Installed TROLINING Installed TROLINING SelfCleaning System in a 800 mm (or 32 inch) I.D. line. The self-cleaning surface texturing is clearly visible in the invert.
	Lateral connections In addition to conventional connection methods such as grout or resin injection and open-cut installed PE or PVC saddle flanges, Trolining offers the following state-of-the-art solutions for lateral connections: â˘ Inverted HDPE saddles â˘ HDPE pipe sections
	Manhole lining with HDPE sheets Our rehabilitation technology combines the service-proven lining performance of HDPE with the structural stability of cement. Rehabilitation by the TROLINING process is your guarantee of outstanding quality and a long useful life of the renovated line.
	Rehabilitation of man-entry pipes by installation of HDPE segments The TROLINING System is also employable for the rehabilitation of pipes larger than 2000mm (or 80 inch) I.D.. HDPE segments or sheets are introduced into the host pipe and joined to each other by PE extrusion welding according DVS standard 2207, part 4, to form a continuous lining section. Spacers might be placed between Troliner and Preliner respectively between Troliner and host pipe (depending on chosen system configuration) to form a uniform annular void space. To increase the systemâs load-bearing capacity, rebar can be integrated into the annulus. After securing the HDPE lining by wooden formwork or steel shuttering, high-strength concrete of specific composition is pumped into the void space. As with all type of TROLINING Systems, the concrete respectively grout provides the necessary structural capability of the new composite structure. Long term performance is guaranteed by encapsulation the structure with an outside (Preliner) and inside (Troliner) HDPE layer, thus avoiding any kind of corrosion. TROLININGâs specific installation method for large sized pipes allows flexible adaptation to the individual needs. In man-sized lines, segmental lining can additionally be used to rehabilitate elbows and corners or to react to changes in pipe shape.
	Robotic Systems Rehabilitation of non-man-sized lines in the range of 250 to 600mm (or 10 to 24 inch) I.D. is done with the aid of proprietary robot technology which executes cutting and lateral connections in accordance with state-of-the-art standards. Exceptional connection quality is achieved with our inverted HDPE saddle
	The TROLINING Basic System The heart of the TROLINING pipe rehabilitation system is the Troliner, an HDPE liner with specially designed embedment studs on its outer surface. Following fabrication and QC testing in the production plant, the Troliner is transported to the site and drawn into the host line, providing a smooth inner surface which is ideal for fluid conduction. The annular void between the host pipe surface and the Troliner is filled with TROLINING injection grout, the âTROLINING Injektorâ. The grout permeates into the existing surface, completely filling voids caused by cracks, loose fragments and deteriorated joints of brick work sewers. The direct full-surface bond between the Troliner and the host pipe surface ensures secure placement and also prevents thermal expansion as encountered in conventional polyethylene liners. In steel and reinforced concrete pipelines, the grout provides further benefits as its alkalinity provides effective protection against corrosion.
	The TROLINING Double System Double-liner systems are used in applications requiring additional structural load-bearing capacity and high-security containment. These systems are made by combining Basic and/or Preliner Systems concentrically as required. Installation of each system layer is carried out separately, even for large-diameter and specialty systems. The peripheral grouting around each layer bonds it securely to the adjacent outer layer, resulting in an interlocking PE/concrete composite structure.