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Business areas:
Pipe Bending Systems

TT Group Companies
Int. Sales Partners

If there is no TT representation in your country, please contact the TT headquarters at or phone +49 2723 808-0

Renovation with the Tight In Pipe method (TIP)

The TIP method is a method for re-lining concrete and vitrified clay pipes with single pipes (short pipe) or pipe strings (long pipe).Firstly a new pipe made of polypropylene (PP-HM) is installed to fit closely inside the old pipe (tight-in-pipe). The tiny annulus needs no grout after fill. 
Application: Renovation of sewer lines made of asbestos cement, concrete and vitrified clay..
Types of damage: Burst pipes, deformation up to 20 %, misalignment up to 10 % of the cross-section, corrosion, drainage block-up, cracks and leaks, mechanical wear, encrustation, (must all be removed beforehand).

Standards: DWA M 143-12,13, RSV M 2.2, DWA A 127-2

Further information



TRACTO-TECHNIK Australia Pty Ltd.
Unit 2, 6 Devlan Street
Mansfield, Qld 4122

Phone: +61 (0)7 3420 5455
Fax: +61 (0)7 3420 5855