Fosroc Concure WB constructive solutions
Water based concrete curing compound
Uses of solar temperature gain.
! As a spray applied membrane to retain moisture in
Instructions for use
concrete for effective curing.
! Suitable for all general concreting applications. Of Application
particular benefit for large area concrete surfaces, such Concure WB white should be stirred before use to ensure
as airport runways, roads and bridgeworks. even dispersal of the pigment.
! Suitable for concrete curing of beams, columns and slabs. 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
! Improved curing of concrete enhances hydration process forming, or is present on the concrete surface.
and provides a more durable concrete. The spray nozzle should be held approximately 450 mm from
! Control of moisture loss improves surface quality, the concrete surface and passed back and forth to ensure
reducing permeability, minimising surface cracking and complete coverage. The fugitive white colour during
shrinkage. application provides a guide to the area covered. Pump
! Fugitive colour provides visual guide during application. pressure should be maintained to give an even, fine spray.
! Also available in white pigmented grade. After spraying, no further application of water or other material
! Water based, therefore, non-flammable. is necessary to ensure continued curing. The concrete surface
! Spray application reduces labour costs, therefore should not be disturbed until it has sufficient strength to bear
eliminates the need for alternative curing systems. surface loads. The applied film should not be trafficked until
it is fully dry, care should also be taken to ensure that the film
Standards compliance is not subsequently broken.
Concure WB gives 75% or greater curing efficiency when Concure WB may be applied to the surface of newly hardened
tested to BS 7542 and complies with BS 8110 Part 1, concrete immediately after demoulding. In such cases the
clause 6.6.3(c), ASTM C309 and AASHTO M148 as Type 1D. concrete surface must be damp and not dry. Dry surfaces
may prevent correct film formation and cause absorption of
Description the Concure WB which may lead to staining and difficulty in
later removal.
Concure WB water based concrete curing compound is
based on a low viscosity wax emulsion. It is supplied as a Equipment
white emulsion which forms a clear film on drying. Spray equipment such as knapsack or motorised sprayers
When first applied to a fresh cementitious surface the which produce a fine mist without damaging the emulsion
emulsion breaks to form a continuous, non-penetrating white may be used for Concure WB. The suitability of equipment
coating. This dries to form a continuous clear film which should be assessed by an application trial.
provides a barrier to moisture loss, ensuring more efficient Equipment cleaning
cement hydration, improved durability and reduced
shrinkage. Spray equipment should be cleaned immediately after use
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
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
Concure WB
substrate. Concure WB will slowly be removed by physical
abrasion in normal trafficking conditions or exposure to UV
light. To ensure complete removal use high pressure steam,
water jet or light sand blasting.
Fosroc 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. All Fosroc datasheets are updated on a regular basis. It is the user’s responsibility to
obtain the latest version.
Head Office
telephone: (+9714) 2039699 fax: (+9714) 2859649 email: agf@fosroc.com
Al Gurg Fosroc LLC
Regional offices
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: 17738200 fax: 17732828 email: bahrain@fosroc.com
Kuwait, Boodai telephone: 4817618 fax: 4832124 email: kuwait@fosroc.com
www.fosroc.com
Oman, Al Amana telephone: 24815080 fax: 24817554 email: oman@fosroc.com
Qatar, Tadmur telephone: 4432365 fax: 4419517 email: qatar@fosroc.com
UAE/0407/08/B
