• Cement Based Grouting Mortar - GRT 20 Cement Based Grouting Mortar - GRT 20

Repair and Reinforcement Systems / Cement Based Grouting Mortar

GRT 20

Description

GRT 20 is a cement based, single component, flowable, ready to use grout mortar that expands to sufficiently counteract the plastic shrinkage normally associated with cement grouts.

Fields of Application

  • Anchoring the machine feet,
  • Rail beds,
  • Columns in pre-cast construction,
  • Concrete anchors,
  • For pile cap reprofiling and encapsulation
  • To fill in cavities, gaps and recesses,
  • Bearing plates.

Features and Benefits

  • Single-component and ready to use product, mixed with only water.
  • Adjustable viscosity, applicable easily by pouring into mould.
  • Has high strength.
  • Has good flow characteristics.
  • Resistant to impact.
  • Protects to steel against corrosion.
  • Prevents shrinkage after curing.

Application Procedure

Preparation of Substrate

Application surface must be sound, clean and clean off materials which prevent bonding, such as dust, oil, rust and remove loose pieces. Concrete surfaces must be saturated with water before application. Immediately before pouring remove all excess or standing water from within any formwork.

Application Method

25 kg bag GRT 20 is poured slowly into 3 - 3,5 liters of clean water under low speed mixer for 3-4 minutes until obtaining homogenous mixture. Mixing water must be clean and free of salt and lime. Mixture should be applied within 40 minutes at 20°C. GRT 20 is only applied for filling applications as 10-30 mm thickness for each layer. If required more thickness surface, aggregate can be added to grout. In case of adding extra aggregate to the grout, due to the reduction of cement percentage, performance can be reduced approximately 20-40 %. During the application surface and ambient temperatures should be between +5°C to +30°C. It is not recommended to apply on windy, rainy and frost days.

Consumption

For 1 litre fresh mortar, approximately 2,0 kg powder.

Package

25 kg kraft bag

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