Concure WB* constructive solutions
Water based concrete curing compound
Uses Instructions for use
! As a spray applied membrane to retain moisture in Application
concrete for effective curing.
Concure WB white should be stirred before use to ensure
! Suitable for all general concreting applications. Of even dispersal of the pigment.
particular benefit for large area concrete surfaces, such
as airport runways, roads and bridgeworks. Concure WB should be spray applied to the surface of fresh
concrete. Application should begin as soon as the concrete
Advantages is free from surface water. Do not apply if bleed water is
forming, or is present on the concrete surface.
! Improved curing of concrete enhances hydration process
and provides a more durable concrete. The spray nozzle should be held approximately 450 mm from
the concrete surface and passed back and forth to ensure
! Control of moisture loss improves surface quality,
complete coverage. The fugitive white colour during
reducing permeability, minimising surface cracking and
application provides a guide to the area covered. Pump
shrinkage.
pressure should be maintained to give an even, fine spray.
! Fugitive colour provides visual guide during application.
After spraying, no further application of water or other material
! Also available in white pigmented grade.
is necessary to ensure continued curing. The concrete surface
! Water based, therefore, non-flammable.
should not be disturbed until it has sufficient strength to bear
! Spray application reduces labour costs, therefore surface loads. The applied film should not be trafficked until
eliminates the need for alternative curing systems. it is fully dry, care should also be taken to ensure that the film
is not subsequently broken.
Standards compliance
Concure WB may be applied to the surface of newly hardened
Concure WB gives 75% or greater curing efficiency when concrete immediately after demoulding. In such cases the
tested to BS 7542 and complies with BS 8110 Part 1, concrete surface must be damp and not dry. Dry surfaces
clause 6.6.3(c), ASTM C309 and AASHTO M148 as Type 1D. may prevent correct film formation and cause absorption of
the Concure WB which may lead to staining and difficulty in
Description later removal.
Concure WB water based concrete curing compound is Equipment
based on a low viscosity wax emulsion. It is supplied as a
white emulsion which forms a clear film on drying. Spray equipment such as knapsack or motorised sprayers
which produce a fine mist without damaging the emulsion
When first applied to a fresh cementitious surface the may be used for Concure WB. The suitability of equipment
emulsion breaks to form a continuous, non-penetrating white should be assessed by an application trial.
coating. This dries to form a continuous clear film which
provides a barrier to moisture loss, ensuring more efficient Equipment cleaning
cement hydration, improved durability and reduced Spray equipment should be cleaned immediately after use
shrinkage. by flushing through with water. If spray nozzles become
Concure WB is also available in a white pigmented version. blocked with wax particles these may be easily cleared with
It contains a white pigment based on titanium dioxide to white spirit.
meet specifications requiring such pigmentation for reduction Overcoating and removal
of solar temperature gain.
Concure WB must be removed from concrete surfaces prior
to the application of a coating, this is necessary to ensure
adequate bond of the coating material to the concrete
substrate. Concure WB will slowly be removed by physical
abrasion in normal trafficking conditions or exposure to UV
Concure WB*
light. To ensure complete removal use high pressure steam,
water jet or light sand blasting.
Concure WB*
Limitations Precautions
- Concure WB should not be continuously recirculated in Health and safety
high shear pumps in concrete train or similar applications,
Concure WB does not fall into the hazard classifications of
as this may cause a breakdown of the emulsion before
current regulations (see notes 1 and 2 below). However, it
spraying. If continuous recirculation is necessary, the
should not be swallowed or allowed to come into contact
sprayer should be fitted with a low shear diaphragm pump.
with skin and eyes either in bulk or spray form.
- Minimum application temperature 5°C.
Suitable protective gloves and goggles should be worn.
Technical support Splashes on the skin should be removed with water. In case
of contact with eyes rinse immediately with plenty of water
Fosroc provides a technical advisory service for on-site
and seek medical advice. If swallowed seek medical attention
assistance and advice on admixture selection, evaluation
immediately - do not induce vomiting.
trials and dispensing equipment. Technical data and
guidance can be provided for admixtures and other products For further information consult the Material Safety Data Sheet
for use with fresh and hardened concrete. available for this product.
Fire
Estimating
Concure WB is water based and non-flammable.
Supply
Concure WB : 200 litre drums Cleaning and disposal
Coverage Spillages of Concure WB should be absorbed onto sand,
Concure WB : 2
3.5 to 5.0 m /litre earth or vermiculite and transferred to suitable containers.
Remnants should be hosed down with large quantities of
Storage water.
Concure WB has a minimum shelf life of 12 months, provided The disposal of excess or waste material should be carried
the temperature is kept within the range of 4°C to 35°C. out in accordance with local legislation under the guidance
Freezing and prolonged exposure to heat or direct sunlight of the local waste regulatory authority.
should be avoided. Should the temperature of the product
fall outside this range then the Fosroc Technical Service
Department should be contacted for advice.
Containers should be kept sealed and airtight to prevent
loss of moisture by evaporation.
* Denotes the trademark of Fosroc International Limited
†
See separate data sheet
Important note
Fosroc products are guaranteed against defective materials and manufacture and are sold subject to its standard
Conditions for the Supply of Goods and Service
Head Office
Al Gurg Fosroc telephone: (+9714) 2858606 fax: (+9714) 2859649 email: agf@fosroc.com
LLC Regional offices
Dubai, Al Gurg Fosroc telephone: 285 8787 fax: 285 2023 email: dubai@fosroc.com
Post Box 657, Dubai Abu Dhabi, Al Gurg Fosroc telephone: 673 1779 fax: 673 1449 email: abudhabi@fosroc.com
United Arab Emirates Bahrain, YBA Kanoo telephone: 17735454 fax: 17732828 email: bahrain@fosroc.com
Kuwait, Boodai telephone: 4817618 fax: 4832124 email: kuwait@fosroc.com
www.fosroc.com
Oman, Al Amana telephone: 771 5080 fax: 771 7554 email: oman@fosroc.com
Qatar, Tadmur telephone: 413628 fax: 440812 email: qatar@fosroc.com
UAE/0407/00/A
