product overview
Manhole Base-Liners
Plastic manhole base-liners are the ideal protective lining for concrete manholes.
To the productPMA-Liner
The PMA-Liner-Manhole system features a lined joint connection with integral seal and load transfer.
To the productCorprotect
The plastic inliner permanently protects the concrete components (manhole rings, cone) against corrosion.
To the productInfra-manhole
The INFRA-MANHOLE offers the possibility to lead wastewater (WW) and rainwater (RW) in separate channels through the same manhole.
To the productMultro manhole ring
For a split sewer systems with a separate duct for rainwater. When there are large differences in the invert levels, the rainwater network is integrated in a manhole ring.
To the productDrop structures
Internal and external drop structures. The drop structures can be installed in new as well as in existing manholes.
To the productConnection Bells
Connection bells for precast concrete manholes, which are available in various dimensions for almost all commercially available sewer pipes.
To the productREHABILITATION
Depending on the local conditions, PREDL works with different rehabilitation methods. The development of modern rehabilitation methods for sewage manholes is one of our core competences.
To the productFlexliner
With the FLEXLINER, trenchless manhole rehabilitation is possible within a very short time. The FLEXLINER is bent together for insertion into the manhole, undivided and free of damage, and then unfolded again to its original size in the manhole base.
To the productBase-Cover
The retrofittable polypropylene channel cover prevents annoying odour emissions and reliably protects the rising shaft area from corrosive attack by hydrogen sulphide.
To the productDuplex-Manhole
The DUPLEX manhole is a complete plastic manhole system.
To the productDUPLEX HYBRID MANHOLE
A combination of the DUPLEX manhole and precast concrete manhole bases with monolithically cast-in PREDL manhole base-liner and plastic lining up to the first joint.
To the product