SpECgrout C5


SpECgrout C5 is a pre-bagged, one part
cementitious grout. After the addition of clean water
the material exhibits free flowing characteristics.
SpECgrout C5 is shrinkage compensated by the
use of a non-gaseous system that acts during the
material’s early-hardened state.

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Technical Details

SpECgrout C5 as a general purpose grout may be used in a variety of situations such as the installation of:
· Anchor bolts
· Structural column base-plates
· Mixing and storage vessels
· Turbines
· Generators
· Pressing and milling machines
· Non-gaseous, non-metallic shrinkage compensation, provides maximum contact between baseplate and hardened grout.
· Consistent high performance
· Excellent retention of flow even at high ambient temperatures
· High bond strength to steel and concrete
· High compressive strength at early stages allowing minimal downtime on machinery
· Good impact and fatigue resistance
· Oxidizing catalyst free
· Extremely low permeability
· Chloride free
· Bleed resistant

Typical Results @ 20°C Compressive Strength 

1 Day 

22.0 N/mm² 

7 Days 

45.0 N/mm² 
28 Days 

70.0 N/mm² 

Flexural strength 

28 Days 

6.0 N/mm² 

Setting Time 

Initial set 

3.5 hours 

Final set 

4.5 hours 
Flow Characteristics (Efflux time) CRD-C Cone 

24-30 secs 

Young’s Modulus 

30 kN/mm² 
Fresh Wet Density 

2000 kg/m³ 

It is essential that adequate preparation is carried out prior to the application of SpECgrout C5. This preparation should ensure the removal of all grease, oil and loose material.

To avoid absorption and reduction in flow characteristics, it is essential that the prepared substrate is soaked with clean water for a few hours prior to grouting. Before placing the grout any water remaining on the surface should be removed by blowing clean with oil free compressed air.

The underside of the base plate to be grouted should be clean and any oil or grease MUST be removed. The underside should preferably have no geometry which would impede the flow of grout. Should cruciforms be present, it is essential that air release holes are drilled through the base plate to avoid trapping air hence reducing the total contact area.

grout during pouring. The formwork should be tight to the base plate and parallel to the direction of flow. A gap of around 100mm is required at the pouring hopper with a gap of around 50mm at the opposite end.

SpECgrout C5 is a one-part cementitious grout.

SpECgrout C5 must be mixed using a slow speed electric drill fitted with a mixing paddle of the Metabo accessories type 31 043. This method is suitable for small quantities, for larger quantities it may be necessary to consider the use of a grout pump. Advice can be provided by our Technical Service department on the type of pumps available.

Good planning is essential to ensure a continuous flow of grout once pouring commences.

The specified water quantity should be measured in an accurately graduated vessel and added to the mixer. The bagged powder is then added slowly whilst mixing. A mixing time of not less than 5 minutes is required to ensure adequate dispersal of the ingredients.

The recommended water used per 25kg bag is 7.25 litres.

The product cannot be mixed by hand

The grout should be poured immediately after mixing and certainly not more than 20 minutes after mixing is complete to take full advantage of the high flow properties.Again, planning is imperative to ensure that sufficient grout is available to allow continuity of placing. The mixed product should always be poured from the hopper end of the formwork. On no account should grout be poured from more than one side of the base plate. Maintenance of a fluid head is essential to avoid air entrapment. Once the grouting has been completed, all exposed areas of grout should be cured immediately using SpECcure WE curing membrane.
SpECgrout C5 is supplied in 25kg bags. Each bag when mixed with 7.25 litres of water will provide approximately 16.10 litres of mixed material.
Contact us for more info.

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