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MAKING THE SEAL

  
 

The purpose of making a seal with drains is to prevent the infiltration of pollutants into the ground and into the water table. It also makes it possible to avoid the infiltration of water that is the source of washing the filler, which could cause the ground around the drain to subside.

The EN 1433 standard requires it to be possible to create this seal, and Nicoll drainage channels were developed with this requirement in mind, not only between each drain but also between the drainage channels and the drainage network.

 

Drain joint seals (all drains, except CAB773).

Obtaining a seal with KENADRAIN and CONNECTO drainage channels is facilitated by the male-female socket joint and by the locking of the latter.

The product retained to obtain the seal is compressed between the male and female portion of the drainage channels, in such a way that there can be no movement.

So the seal is obtained by compression, not by gluing.

The product to use is polyurethane mastic (high modulus all-purpose adhesive, Sikaflex 11 FC type).
Positioning a strip of polyurethane mastic at least 5 mm in diameter in the groove of the female part of the socket joint.

Positioning a strip of polyurethane mastic at least 5 mm in diameter in the groove of the female part of the socket joint.

Positioning the next drainage channels and moving it down until it locks into place.
Positioning the next drainage channels and moving it down until it locks into place.
 
 

Water tightness of the fittings with the drainage channels

A strip of polyurethane mastic at least 5 mm in diameter is applied to the part to fit into the drain.
A strip of polyurethane mastic at least 5 mm in diameter is applied to the part to fit into the drain.

A strip of polyurethane mastic at least 5 mm in diameter is applied to the groove of the outlet. The vertical/lateral outlet is then screwed into position.
A strip of polyurethane mastic at least 5 mm in diameter is applied to the groove of the outlet. The vertical/lateral outlet is then screwed into position.
A strip of polyurethane mastic at least 5 mm in diameter is applied to the groove of the outlet. The vertical/lateral outlet is then screwed into position.
 
 

Special case with CAB773

To form a seal in the joints and at the bottom of the CAB773 drainage channels, polyurethane mastic can be used, or, for more safety, it can be glued with a special PVC glue.
solution kenadrain HD
Remove the grease from the surfaces to be glued together using Nicoll stripper.
Remove the grease from the surfaces to be glued together using Nicoll stripper.
Glue the female portion and then the male portion of the following drainage channel.
Glue the female portion and then the male portion of the following drainage channel..
Immediately fit the joints together straight.
Immediately wipe away any excess glue with a clean cloth.
Immediately fit the joints together straight.
Immediately wipe away any excess glue with a clean cloth.
 
 

Water tightness of the silt trap

The silt trap is made from PVC-based products. The seal between the silt trap fitting vertical/lateral outlet and silt trap existing network can be formed with a seal if the joints have them, or by gluing (refer to gluing the CAB773).
 
 

Sealing the vertical/lateral outlets and end/cap outlets with the existing network.


The vertical/lateral outlets and end/cap outlets are made from injected PVC. Sealing their connection to the network can be done either with a seal, or by gluing (refer to gluing the CAB773).
 
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