References
Hydro-expansive bentonite joint AK 25




The hydro-expansive joint AK 25, , in contact with water, gradually increases its volume assuring, once confined between concrete and concrete, the sealing of the construction joints from any possible coming of water.




Main features:
• based on natural sodium bentonite
• it waterproofs construction joints by expansion
• It does not expand during the layout phase
• it is easy and quick to apply (no fixing net required)
• it does not washout, not even at maximum expansion




Certification N 6843/06
Dimensions: 20 x 25 mm
Expansion in water: > di 450 %
Percentage of sodium bentonite: 75%
Organic binder: 25%
Duration: illimited




Building site in the province of Gorizia
7.000 m of bentonitic stringcourse AK25



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