Concrete Repair

Cement Based Repair Products

Monneli Betocem 2P

Two Component Polymer Modified Cementitious Mortar

BETOCEM 2P is used as an economical and easy to use concrete repair mortar, suitable for:
Concrete repair in general up to 6 mm thickness per coat
Filling compound to level off irregularities and fill blow holes and fine honeycombs
Protective coating for concrete against water/chloride ingress, both on new structures and after patch repairs
Re-profiling over large areas
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Technical Information
Product Description

BETOCEM 2P is a two component cement based polymer modified mortar, designed as a high quality repairing and finishing mortar. It is composed of high resistant hydraulic binders, silica, graded high quality aggregates, special additives, and modified by the addition of synthetic polymer latex liquid to produce highly consistent cementitious mortar, with good handling characteristics.

  • Easy to mix and apply
  • Excellent mechanical strength
  • Excellent adhesion to substrate without the need of primer
  • Fully compatible with concrete and with all Colmef cementitious products
  • Leveling coats of BETOCEM 2P have extremely low permeability and provide excellent protection against ingress of salt solutions
Packaging, Coverage / Consumption


BETOCEM 2P is packed in 30 kg kit consists of 5.5 kg from Component A (Liquid) and 24.5kg for Component B (Powder).



BETOCEM 2P yields 16.2 liters when two components are mixed.

Shelf Life & Storage


Keep the product in a dry covered place into original well closed packaging. In these conditions the product will have a shelf life of 12 months from date of production.

Technical Properties


Component A liquid
Component B powder
Component A milky white
Component B cement grey
Density of component A at 25ºC

1.02 kg/L

Dry density of component B at 25ºC

1.38 kg /L

Density of wet mix at 25ºC

1.85 kg/L


5.0 g/L


Thixotropic paste

Working time at 25ºC

35 minutes

Setting time at 25ºC

55 minutes

Maximum layer thickness

10 mm per coat

Adhesion to Concrete at 28 days

(BS 1881 Pt 207)

>2.0 N/mm2
Average Linear Shrinkage (ASTM C531)


Thermal expansion coefficient

11 x 10-6/ ºC

All values are subject to 5-10 % tolerance
Application Information
Instructions for use

Surface Preparation

All surfaces must be sound, clean, compact, free from dust, grease substances and inconsistent parts. As part of surface preparation it is strongly recommended to expose the fine aggregates of the concrete surfaces by brushing it with a steel brush or light blasting.

Once the surface is ready, clean with blown compressed air and then saturate the surface thoroughly with clean water. Allow the surface to be
in moist condition during the application of BETOCEM 2P. No excess water on the surface should be allowed.


Both components of BETOCEM 2P are pre measured for use. Pour component A (Liquid) into a suitable mixing container. Add component B (Powder) to the container.

Mix the two components using a slow speed drill (200 – 300 rpm) fitted with a suitable paddle till a uniform lump free homogeneous paste is achieved.

Partial mix can be applied if needed provided that the two components are mixed in ratio of 3 (Powder): 1 (Liquid) by weight.


Use a steel trowel for filling pin holes or fine honeycombs. Once the applied mix starts to partially set, trowel the whole surface to obtain a smooth finish.

To level off irregularities or as protective coating, apply the mix to the prepared substrates by using a steel trowel for a maximum thickness of 6 mm. If more thickness is required, subsequent coats could be applied at 4 to 6 hours interval, depending on ambient conditions. If a smooth finish is required, spray little water on the final surface and trowel again.


The repaired area shall be cured in accordance with good concrete curing practice and protected from drying winds, sun or excessive heat. Curing shall be done with non-degradable curing compound BETOCURE AR. Alternatively; a wet hessian cloth covered with polyethylene sheet can also be employed. Curing should begin as soon as final finish is achieved.


BETOCEM 2P should be removed from tools and equipment and mixers with clean water immediately after use. Cured material should be removed


  • The incorporation of latex polymer reduces the tendency of the mortar to lose water and crack under the strains due to drying shrinkage. However, under high temperatures and drying winds, BETOCEM 2P must be cured with water or BETOCURE curing compound
  • Do not apply BETOCEM 2P when the surface temperature is less than 5ºC or more that 35ºC. During summer season, it is recommended to cover the working area to prevent direct sun effect on the substrate or the applied coat
  • Mix enough material that can be applied during the product open wet time


Additional Information
Health & Safety

BETOCEM 2P can be harmful to skin as it contains cement powders which may releases alkalis when mixed with water. During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.

In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly. If ingested, obtain medical attention immediately. Do not induce vomiting.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version

additional materials
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