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Water-swelling rubber

Water-swelling rubber (hydrophilic rubber) is used for sealing of construction joints   against pressurised water in reinforced concrete structures. HYDROTITE®, HYDROSEAL and AQUA TACKSEAL® are hydrophilic rubber profiles which are used widely as sealing compounds in structural, civil, construction engineering and tunnel construction. The various hydrophilic rubber profiles stand out especially due to high chemical resistance against acids, alkalis, fuels, mineral oils, organic solvents etc. in addition to its extremely good mechanical properties such as high elasticity and high tear strength. They only differ in the raw material base and the maximum swelling rate.

 

Easy processing

Long-term efficacy

Also applicable in tidal zones

High chemical resistance against sewage, manure and chemicals


Recommended systems

Equipment

Uses

Sealing of construction joints

Installation is made in the centre of the reinforcement. Depending on the surface condition, fixing is made by adhering with HF-KLEBER, FIX-O-FLEX or QUELLFLEX®. The sealing of pipe breakthroughs is possible by using HYDROTITE® circular profiles.

Sealing of precast concrete element joints

The sealing of diafragma joints is possible by using HYDROTITE® circular profiles. Fitting is carried out by knocking the profile in with a pneumatic hammer. Plugging will be made by sealing with FIX-O-FLEX.


Corner areas

In corner areas, the hydrophilic rubber profiles are butt-glued at an angle of 90°. The butt area must be secured by QUELLFLEX®.

Connection of profile endings

Connection of profile endings is done by adhesion of parallel bands by means of QUELLFLEX®.


Sealing of expansion joints

HYDROTITE® circular profiles with a neoprene core are used for the renovation of expansion joints. The profile is knocked into the joint once it has been cleaned out.
When selecting the profile diameter, ensure that pre-compres- sion is achieved as soon as the profile is knocked in. You must also ensure that the HYDROTITE® profile is well plugged on all sides (see sketch).

sealing of expansion joints

Sealing between old/new concrete elements

HYDROSEAL box profiles are used to seal between old and new structures against non-pressurised and pressurised water. Fixing of the hydrophilic rubber takes place on the old structural concrete by gluing with FIX-O-FLEX and additional fixing with dowels.
The joint is created using rigid foam panels (19 mm thick) so that the HYDROSEAL profile is concreted in around one third of its depth. Joint sealing is carried out permanently elastically by surface-sealing with FIX-O-FLEX H.

Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, sketch

Water-swelling rubber for sealing of shaft rings 

The main use of AQUA TACKSEAL® is the sealing of shaft rings against in-situ groundwater. Shaft rings can be sealed using both sockets and rebates. AQUA TACKSEAL® functions on one hand like conventional sliding ring seals through compression, and on the other hand creates additional sealing through adhesion and expansion pressure.

Water-swelling rubber for sealing of precast unit shafts

Assimilates automatically to the shape of construction. Adhering on concrete, metal, glass and synthetic materials.


Upgrate of expansion joints with joint profile, HYDROTITE and QUELLFLEX

Chemical resistant sealing system for for fresh and waste water structures


Water-swelling rubber for sealing of biogas plants

Water-swelling rubber for sealing of airports

  • High chemical resistance against sewage, manure, chemicals aviation fuel (Jet A-1) and deicer
  • Integrated pressure limit for small wall dimensions
  • Long-term efficacy
  • 30 years of experience

References

HYDROTITE CJ profile, Appartment Complex in Hamburg (D)
HYDROTITE CJ profile, Appartment Complex in Hamburg (D)
HYDROTITE CJ profile, Appartment Complex in Hamburg (D)
Round profile, Hanse Trading Center 2, Hamburg (D)
Round profile, Hanse Trading Center 2, Hamburg (D)
Round profile, Hanse Trading Center 2, Hamburg (D)
Sealing of expansion joints, Subway Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Old/new concrete elements, Neue Messe, Hamburg
Renovation of expansion joints, Swimming pool, Kiel (D)
Renovation of expansion joints, Swimming pool, Kiel (D)
Renovation of expansion joints, Swimming pool, Kiel (D)
Renovation of expansion joints, Swimming pool, Kiel (D)
Renovation of expansion joints, Swimming pool, Kiel (D)
Sistema di Mose, Venice (I)
Sistema di Mose, Venice (I)
Sistema di Mose, Venice (I)
Sistema di Mose, Venice (I)
Sistema di Mose, Venice (I)
Sistema di Mose, Venice (I)

Biogas plant, Lübz (D)
Biogas plant, Lübz (D)


Specials