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High performance, shrinkage compensated,
high-flow micro-concrete and thick section grout

WHERE TO USE Under extreme and arid climatic conditions and/or

For pile top treatment and re-profiling, column jacketing, where correct or adequate curing cannot be maintained,
concrete structural repairs and where particular the addition of Mapecure SRA is highly recommended
thickness and void configuration requires the use in order to ensure the required performance criteria
of a high-flow micro-concrete or grout, for gaps up are attained. Mapecure SRA is considered a
to 220 mm. technologically advanced additive system that has the
capability of slowing down the evaporation rate of the
Some application examples mixing water thereby promoting the development and
• Structural reinstatement of new and old reinforced efficiency of the hydration process. The addition of
concrete elements such as beams and columns. Mapecure SRA in proportions of upto 0.25% has
the ability to reduce drying shrinkage by between
• Repair and re-profiling of piles. 20% and 50%.

• Particularly suitable for reinstatement of honeycombed Where concrete repairs are required, particularly as a
concrete and or areas of congested reinforcement. result of chloride-induced corrosion of the reinforcing
steel, the incorporation of Mapeshield I internal
• Reinstatement of floor beams and slabs. galvanic protection anodes should be considered or
Mapeshield E, external galvanic protection sheet which
• Grouting of precast elements. can be used to protect both repaired and unrepaired
areas. Please consult the relevant technical data sheet
• Grouting of machine and turbine baseplates, bridge in order to correctly select the type, size and spacing of
bearings and crane rails. the anode system.

TECHNICAL CHARACTERISTICS Mapegrout ME05, once cured, has the following

Mapegrout ME05 is a pre-blended powder composed properties:
of selected cement, aggregates and special additives
designed to be shrinkage compensated prepared • high flexural and compressive strength;
according to a formula developed in MAPEl research
laboratories. Mapegrout ME05, once mixed with water, • modulus of elasticity and coefficients of thermal
becomes a fluid micro-concrete and thick section grout, expansion and permeability to water vapour similar to
suitable for pouring or pumping into formwork without those of high quality concrete;
segregation. Please note that, in common with all other
high quality cementitious based materials, curing of • the expansion of Mapegrout ME05 has been
Mapegrout ME05 is essential. calculated to compensate for hygrometric shrinkage.

497_mapegrout ME05_uae (09.01.2012 - 5ª Bozza/Ciano/PDF)

 rout 5 • low water permeability; Preparing the mortar

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Pour 3.1-3.3 Iitres of clean potable grade

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• high bond strength to new and old concrete water into a forced action concrete mixer.

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substrates, providing the substrate has Slowly add the Mapegrout ME05 powder
been saturated with potable grade water into the water while the mixer is working.
beforehand and high bond to reinforcing Mix for 2 minutes: scrape any unmixed
bars especially if they have been treated with powder off the sides of the mixer and wait for
Mapefer or Mapefer 1K, two-component 2 minutes then remix for a further 1 minute
and one component reinforcing steel primers; until the mix is fluid and free from any lumps.
Depending on the quantity being prepared,
• high abrasion resistance. a slow speed drill (300 rpm) with a suitable
mixing paddle can be used. Excessive mixing
Mapegrout ME05 is recommended for should be avoided as this can cause air
voids up to 220 mm. Greater thicknesses entrapment.
may be achieved depending upon the
Applying the mixed material
repair geometry and location together with
To avoid air pockets, pour or pump
the configuration of reinforcement (further
Mapegrout ME05 continuously into the
technical recommendations can be obtained
lowest part of the prepared formwork,
from your local MAPEI representative).
ensuring that adequate venting has been
provided, to prevent air entrapment. The
RECOMMENDATIONS formwork should be grout-tight and
• Do not use Mapegrout ME05 on smooth pre-treated with shutter-release oil (MAPEl
concrete surfaces; roughen such surfaces. Form Release Agent DMA 1000).
Mapegrout ME05 does not need to be
• Do not use Mapegrout ME05 for precision vibrated; however to ensure all areas of the
anchoring (use Mapefill GP ME or formwork have been filled, it is recommended
Mapefill SP ME). to use steel rods to tamp the mixed material,
or gently tap the formwork.
• Do not use Mapegrout ME05 for
applications on vertical surfaces without Precautions to be observed during
formwork (use Mapegrout T60 ME or the application
Mapegrout T80). In hot working conditions the following
precautions should be taken:
• Do not add cement or any other additives
to Mapegrout ME05. • avoid direct exposure to sunlight for stored
material and also mixing equipment;
• Do not add more water than the
recommended dosage. • prior to use, the product must be stored in
a shaded area out of direct sunlight;
• Do not use damaged or previously opened
bags of Mapegrout ME05. • use cool water for mixing;

APPLICATION PROCEDURE • avoid application during the hottest time of

Preparing the substrate the day and/or in direct sunlight;
• Remove degraded and or loose concrete
until the substrate is solid. • mix only sufficient material that can
be applied using available labour and
• Where necessary clean the concrete and equipment to ensure a continuous and
reinforcing steel by sweep blasting or other uninterrupted application;
approved mechanical methods, to remove
• in accordance with good concrete practice,
all dirt, any corrosion products, cement
all exposed surfaces of Mapegrout ME05
laitance, grease, oil and any coatings.
must be immediately cured after casting,
using wet hessian covered with polythene
For best results, suitable watertight formwork
sheeting. Failure to cure the open surfaces
must be constructed and preferably water
can cause the formation of surface cracks
tested before material application. due to plastic shrinkage, especially in hot
and/or windy climatic conditions;
• Ensure formwork is watertight to prevent
grout loss during placement and seal • Spray water onto the surface of the
drainage outlets, if any. application within the first 8-12 hours of
de-shuttering and repeat the operation for
• Pre-soak the substrate with clean, potable at least the first 48 hours. As an alternative,
water by filling the formwork. after finishing the application of the
material, apply a coat of curing membrane
• Drain water through drainage holes, such as Mapecure E, Mapecure S or
excess water and free standing water shall Elastocolor Primer. Film forming curing
be removed, if necessary using oil-free membranes can impair the adhesion of
compressed air or sponges to provide a subsequent finishes, please consult your
saturated surface dry condition prior to local MAPEI technical representative for
pouring the mixed material. further advice.
TECHNICAL DATA (typical values)

PRODUCT IDENTITY

Type: powder

Colour: grey

Maximum aggregate diameter (mm): 4

Density (kg/m³): 1650

Dry solid content (%): 100

Hazard classification according to EC 1999/45: irritant.

Before using refer to the “Safety instructions for
preparation and application” paragraph and the
information on the packaging and Safety Data Sheet

APPLICATION DATA (at +20°C and 50% R.H.)

Colour of the mix: grey

Mixing ratio: one 25 kg bag of Mapegrout ME05 with 3.1-3.3 litres

of water

Consistency of mix: fluid

Density of mix (kg/m³): 2200

pH of the mix: 12.5

Application temperature range: from +5°C to +50°C

Pot life at +23°C and 50% R.H.: approximately 1 hour

Maximum thickness per application (mm): 220

FINAL PERFORMANCE (at +20°C - mixing water at 13%)

Mechanical Characteristic: (according to EN 196-1)

Compressive strength N/mm²):
– after 1 day: 30
– after 7 days: 55
– after 28 days: min 65

Flexural strength (according to EN 196) (N/mm²)

– after 1 day: 6
– after 7 days: 9
– after 28 days: 10

Drying shrinkage according to ASTM C157-93: < 500 microstrain

 rout 5 Cleaning For further and complete information about

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Before hardening, the mixed material can be the safe use of our product please refer to

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cleaned from tools and equipment with water. our latest version of the Material Safety Data

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After setting, cleaning is very difficult and it Sheet.
can only be removed mechanically.
PRODUCT FOR PROFESSIONAL USE.
Yield

(UAE) A.G. BETA

12.7 ltrs/25 kg. WARNING
Although the technical details and
PACKAGING recommendations contained in this product
25 kg bags. data sheet correspond to the best of our
knowledge and experience, all the above
STORAGE information must, in every case, be taken as
When stored in dry conditions in the original, merely indicative and subject to confirmation
unopened bags, Mapegrout ME05 has after long-term practical application: for
a shelf life of 12 months. If stored at high this reason, anyone who intends to use the
temperature and or high humidity conditions product must ensure beforehand that it is
the shelf life may be reduced. suitable for the envisaged application: in
The product complies with the conditions of every case, the user alone is fully responsible
Annex XVII to Regulation (EC) N° 1907/2006 for any consequences deriving from the use
(REACH), item 47. of the product.

Please refer to the current version of the

SAFETY INSTRUCTIONS FOR
Technical Data Sheet, available from our
PREPARATION AND APPLICATION
website www.mapei.com
Mapegrout ME05 contains cement powders
which, when mixed with water or upon
becoming damp, releases alkalis which can
be an irritant to the skin. During use, avoid
inhalation of the dust and contact with skin All relevant references for
the product are available

Any reproduction of texts, photos and illustrations published

and or eyes. Wear suitable protective clothing
such as eye protection and gloves. In case of upon request and from
contact with the skin or eyes rinse with plenty

here is prohibited and subject to prosecution

www.mapei.com
of clean water.

497-1-2012

BUILDING THE FUTURE