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Knauf Keraflex Maxi S1

Knauf Keraflex Maxi S1

High-performance deformable cementitious adhesive with no vertical slip and extended open time for ceramic tiles, particularly recommended for laying large porcelain and natural stone tiles (thickness of adhesive from 3 to 15 mm).


Pot life of mix: more than 8 hours.

Open time: 30 minutes.

Waiting time before grouting:

– on walls: 4-8 hours;

– on floors: 24 hours.

Set to light foot traffic: approx. 24 hours.

Ready for use: approx. 14 days.

Deformability according to EN 12004: S1 - deformable.

Colours: white and grey.

Application: N° 4, 5, 6 or 10 notched trowel.

Storage: 12 months.

Consumption: 1.2 kg/m ² per mm of thickness.


– grey: 20 kg bags;

– white: 20 kg bags.

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