PRODUCT DATA SHEET JAN 2023
Monopour
Class R4 Pourable Repair Mortar
Product Overview
Application Instructions
Waterproof, polymer modified, cementitious grout
and micro-concrete formulations. Preparation
Mechanically remove all damaged concrete or failed repairs
Description back to a sound core. Except in new construction, expose
MONOPOUR is a high performance, polymer modified, non- the full circumference of the steel reinforcement 25mm
shrink cementitious formulation available in two grades. behind the bars and 50mm beyond visible corrosion.
MONOPOUR PG is a flowing grout with a maximum On cutting back, feather edges must be avoided. Step the
aggregate size of 2.5mm for application thicknesses up to perimeter of the repair to a depth of 5mm for MONOPOUR
100mm. PG and 15mm for MONOPOUR PC6, preferably using a
power chisel or by saw or disc cutting.
MONOPOUR PC6 is a pourable micro-concrete with a
maximum aggregate size of 6mm for larger depths up to The areas to be repaired must be free from all unsound
200mm. material including laitance dust, oil, grease, corrosion by-
products and organic growth.
MONOPOUR is supplied as a single component which is
mixed with clean water on site to the required consistency. Smooth surfaces should be roughened and reinforcement
cleaned to bright steel using wet grit blasting techniques or
The mortars benefit from a gaseous expansion mechanism equivalent approved methods. Power tools such as a
which is non-metallic and relies on nitrogen gas formation needle gun, angle grinder or wire brush may be used on
to eliminate the risk of staining and degradation resulting concrete which is not chloride contaminated.
from corrosion.
➢ The compressive strength of the parent concrete
should be minimum 20 MPa. The faces of formwork
Uses should be treated with a proprietary form release agent.
Structural repair of large areas of concrete and heavy duty The prepared substrate should be thoroughly soaked with
applications beneath base plates, plinths and stanchion clean water until uniformly saturated without any standing
bases where a pourable or flowable material is required. water.
Advantages Treatment of Steel Reinforcement
• Incorporates the latest cement chemistry, microsilica Treat exposed steel reinforcement with 2 x 1mm coats of
and styrene acrylic copolymer technology. STEEL REINFORCEMENT PROTECTOR 841 applied by
• Pre-packaged material requiring mixing with clean brush.
water to give the required consistency for pouring,
pumping or trowelling. Priming of Concrete
• Dual expansion mechanism compensates for
shrinkage in the plastic and hardened state. MONOPOUR does not generally require a primer. Highly
• Ultra-fine Portland cement cures rapidly to give high porous substrates may be primed with a POLYMER
early and long term strength development, enabling ADMIXTURE 850 slurry coat.
quick reinstatement.
• Dense matrix provides excellent protection from the Mixing
ingress of acid gases, moisture and chlorides.
MONOPOUR should be mechanically mixed using a forced
• All admixtures are chloride-free. Alkali content is less
action pan mixer or in a clean drum using a slow speed drill
than 3kg/m³ and non-reactive aggregates are used.
and paddle. A normal concrete mixer is NOT suitable.
• Easily overcoated with specialist membranes to
provide further protection and aesthetic quality. Measure out the required water content for the selected
consistency given in the table and pour ¾ into the mixing
vessel. With the mixer running, slowly add a full bag of
Compliance powder and mix for a minimum of 1 minute before adding
• UKCA & CE marked in accordance with EN 1504-3. the remaining water.
• Highways Standard Series 5700 (Concrete Repairs)
and CS 462 (Repair & Management of Deteriorated
Concrete Structures).
Flexcrete Technologies Ltd, Tomlinson Road, Leyland, Lancashire, PR25 2DY, United Kingdom 1
T: +44 (0) 1772 450950 F: +44 (0) 1772 450960 E: flexcrete@akzonobel.com W: www.flexcrete.com
PRODUCT DATA SHEET JAN 2023
Continue mixing for a further 2-3 minutes, making sure that Application Top Tips
a smooth, even consistency is achieved. Mix to entrain as
little air as possible. Pass the mixed material through a 1. Care should be taken when cutting out repairs to
suitable coarse metal screen to remove any lumps or ensure that the shape is such that air cannot be trapped
contaminants prior to placing. during the pouring operation.
➢ Note - These instructions must be adhered to as 2. DO NOT WET OUT OR PRIME between layers.
Flexcrete will not be responsible for failure due to
3. If mortar thickens, remix but DO NOT ADD EXTRA
incorrect mixing.
➢ WATER.
Consistency on Monopour PG Monopour PC6 4. Can be mixed to produce a trowellable consistency.
Mixing (litres/25kg sack) (litres/25kg sack)
Trowellable 2.5 2.2 5. When finishing, trowel from centre out towards the
Flowable 3.2 2.8 perimeter working into the edges of the repair.
Fluid 3.5 3.1 6. Cold Weather Working (See separate Guide)
➢ ≥3oC on a rising thermometer.
Placing ➢ ≥5oC on a falling thermometer.
The area to be filled should be shuttered and a header box 7. Hot Weather Working (See separate Guide)
used to maintain a head of 150-200mm throughout the pour.
Continuous grout flow is essential. Ensure sufficient ➢ Store material in cool conditions to maximise
material is available before starting and carefully sequence working life.
subsequent mixes. ➢ Shade applied material from strong sunlight.
Pour from one side only to avoid the entrapment of air. ➢ Spray apply a second mist coat of CURE-SEAL
Larger volumes may be pumped. Use within the working WB.
life and throw away any remaining material. ➢ If possible, avoid extreme temperatures by working
at night.
Curing
The information herein is correct to the best of our knowledge, but it does not necessarily
Normal concreting procedures must be adhered to. Protect refer to the particular requirements of the customer. If the customer has any particular
from strong sunlight and drying winds with CURE-SEAL requirements it should make them known in writing to Flexcrete Technologies Limited,
and obtain further advice accordingly.
WB, polythene sheeting, damp hessian or similar.
Limitations
Do not use MONOPOUR when the temperature is below
5°C and falling. Do not use MONOPOUR on waterproof
concrete.
Cleaning and Storage
• All tools should be cleaned with water immediately after
use.
• Materials can be stored for 12 months in dry, frost free
conditions with unopened bags at 20°C.
Packaging
• MONOPOUR is supplied in 25kg bags.
Yield (at flowable consistency) and Coverage
• MONOPOUR PG: 12.5 litres per 25kg.
• MONOPOUR PC6: 12.2 litres per 25kg.
• 25kg covers 1.2-1.25m² at 10mm thickness.
Health and Safety
• Safety Data Sheets are available on request.
Flexcrete Technologies Ltd, Tomlinson Road, Leyland, Lancashire, PR25 2DY, United Kingdom 2
T: +44 (0) 1772 450950 F: +44 (0) 1772 450960 E: flexcrete@akzonobel.com W: www.flexcrete.com
PRODUCT DATA SHEET JAN 2023
Technical Data
EN1504 R4
Property Standard Typical Result
Requirement
Monopour PG Monopour PC6
Compressive Strength ≥ 45MPa 1 day 15-20 MPa 1 day 20-25 MPa
EN 12190
Development @20°C at 28 days 7 days 47-52 MPa 7 days 50-55 MPa
28 days 60-65 MPa 28 days 65-70 MPa
Flexural Strength EN 196-1 28 days 9.5 MPa 9.5 MPa
Adhesive Bond EN 1542 ≥ 2.0 MPa 3.3 MPa 3.4 MPa
Chloride Ion Content EN1504-7 ≤ 0.05% Passes
Carbonation ≤ ref concrete
EN13295 Passes
Resistance
Elastic Modulus EN 13412 ≥ 20 GPa 33.3 GPa 35.2 GPa
≤ 0.5
Capillary Absorption EN 1062-3 0.15 kg/(m2.h0.5) Due beginning of December
kg/(m2.h0.5)
Freeze/Thaw Cycling EN 13687-1 ≥ 2 MPa 2.3 MPa 3.4 MPa
BS 6319-4 Slant
Bond Strength 60 MPa at 28 days
Shear Method
4-Point Wenner 11700-14000 Ω/cm
Electrical Resistivity
Probe Suitable for use with CP Systems
Volume Expansion ASTM C 827 1-4% measured in the plastic state
Air content EN 12350-7 EN 13687-1 2.0-3.5%
Bleed EN 480-4 0%
Water Permeability
6.13 x 10-14 m/sec
Coefficient DIN 1048-1
10.5mm = 1000mm of typical concrete
Oxygen diffusion Vinci
9.21 x10-5cm2/sec 8.2 x10-5cm2/sec
coefficient Technologies
Carbon dioxide 2.91 x10-5cm2/sec 2.59 x10-5cm2/sec
Vinci
diffusion coefficient. 50mm = 6350mm of typical 50mm = 7160mm of typical
Technologies
concrete concrete
EN 13395-2 5 mins 1000mm
Linear flow
1000mm Trough 30 mins ≥ 800mm
Mixed Density 2225-2275kg/m³
Mixed Colour Concrete grey
Min Thickness 5mm 50mm
Max Thickness 100mm 200mm
Min Application
Temperature 5°C
Max Application 40°C
Temperature
Working Life (approx.) 30 minutes at 40°C
The properties given above are obtained from laboratory tests: results obtained from on-site testing may vary according to site conditions.
2797 0086
Flexcrete Technologies Ltd, Tomlinson Road, Leyland, Lancashire, PR25 2DY, United Kingdom 3
T: +44 (0) 1772 450950 F: +44 (0) 1772 450960 E: flexcrete@akzonobel.com W: www.flexcrete.com
