Core fill 20

High Flow 20 Mpa Core fill

  • Designed for high flow
  • Suitable for all masonary blocks
Rain Proof
UV Resistant
Just Add Water
Available Size (KG)

MPRO Core Fill 20 rapid setting concrete is a 20 N/mm² micro concrete mix suitable for block filling all general masonary work, both internally and externally where rapid setting and rapid strength development are required.

Technical Data
MPRO Core Fill 20 is produced in an ISO 9001 quality-controlled environment. Core Fill 20 is a 20 N/mm² concrete as standard, however other strength classes are available upon request.

Metsel Plastic bags should be stored unopened, undercover from rain and clear from the ground.

MPRO Core Fill 20 is suitable for use in the following applications,

  • High flow for concrete block
  • Bulk fill of voids
  • General concrete work where fast setting and rapid strength development are required.

Product Use
Ensure the area is free from any dust, dirt or grease, and have a suitable sub-base where required. If using the material for reinstatement purposes cut back edges of surrounding concrete and prime if necessary, with a suitable primer (such as MPRO Priming Slurry) immediately before installation.

MPRO Core 20 Concrete should be mixed with 2.5 – 3.3 litres of clean potable water to create a workable concrete mix. Slight water adjustments may be required to obtain the desired consistency. Excessive addition of water will weaken the mix considerably. MPRO Core fill 20 is a fast setting product, mix only enough material that can be installed in 10 minutes.

Once mixed place the fresh material in the prepared area to a depth of 25mm-100mm. The surface should be cured with a water-based curing membrane and protected from premature drying and cold weather. For further information please visit or consult our Core fill 20 technical datasheet.

Mixing Instructions

  • In a clean bucket place 75% of the required water
  • Add 70% of the Cemfloor powder into the bucket and mix for 1 minute
  • Add remaining 25% of water into the bucket
  • While mixing add the remaining 30% of the material into the bucket
  • Mix for a minimum of 3 Minutes or until homogenous.

Precautionary Statements

  • Contains Portland cement

  • P102 Keep out of reach of children.

  • P260 Do not breathe dust

  • P262 Do not get in eyes, on skin or on clothing.

  • P280 Wear protective gloves / protective clothing / eye protection / face protection.

Hazard Statements

  • H302 Harmful if swallowed

  • H315 Causes skin irritation

    H319 Causes serious eye damage

  • H332 Harmful if inhaled

    H335 May cause respiratory irritation

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Core fill 20

High Flow 20 Mpa Core fill

  • Designed for high flow
  • Suitable for all masonary blocks
Available Size (KG)