Construction Technology

Add Grout 200

Plasticised expanding grout admixture

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Add Grout 200

Product Description

Add Grout 200 is an admixture for cementitious grouts, concrete and cementitious plaster where a reduced water/cement ratio and positive expansion is required. Applications include bed grouting, duct grouting, non-shrink infilling, high quality cementitious plaster and jointing.
Add Grout 200 is supplied as a powder admixture. The material is a combination of a plasticising agent and a gas-producing expansion medium. The plasticising agent allows the use of a reduced water/cement ratio with consequent increased strength and durability. The expansive medium counteracts the natural settlement and plastic shrinkage of the grout and aids stability and cohesion. Sufficient restrained expansion is developed to ensure a high degree of interfacial contact.

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Areas of Application

Add Grout 200 is ideally designed for use in the following applications:

  • Bed plate grouting.
  • Duct grouting.
  • Grouting tunnel lining.
  • High quality cementitious plaster.
  • Non-shrink infilling grouts.
  • Post tensioned cables

Advantage

  • Gaseous expansion system compensates for plastic shrinkage and settlement in properly designed cementitious grout.
  • Reduced water/cement ratio in the grout mix ensures low permeability and long-term durability in service.
  • Gives high grout fluidity with low water/cement ratio, thus making placement or injection of the grout easy.

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