Tretoshield 1K-4

Tretoshield 1K-4 is a single-component polymer-based levelling mix.

Summary of benefits

• Single-component (just add water), easy to use.
• Low shrinkage / high density.
• Ensures a crack-free concrete screed layer.
• High polymer content – ensures strong adhesion.

The repair mix is intended for use in the concrete repair work of:

• façades,
• harbour buildings,
• concrete structures in direct contact with drinking water.

Packaging

• The levelling mix is packaged in a 25 kg paper bag or 1,000 kg bag.

Properties

• Density: 1.9 kg/l
• Compressive strength (BS4551:1980,15):
  1 d     15.0 N/mm² 
  7 d      30.0 N/mm² 
  28 d      50.0 N/mm²
• Flexural strength (BS4551:1980,15):
  7 d     4.0 N/mm² 
  28 d   6.5 N/mm²
• Bond strength (BS1881:PT121): > 2.5 N/mm²
• Coefficient of thermal expansion: 13.6 X 10^-6
• Free slumping: 0.001%
• Pot life (+20 °C): 35 min (temperature-dependent)