Fosroc Concure A                                                                                    constructive solutions
(Formerly Cureseal)
            Multi-purpose, pliolite resin, curing compound
            Uses                                                              Properties
            Provides a high efficiency, spray-applied, curing compound        Form                         :   Clear amber liquid
            with cost and labour saving supplementary features. It can
                                                                              Specific Gravity at 20°C     :   0.82 - 0.83
            be used in a wide range of applications:
                                                                              Cure times at 20°C and
            ! Factory floors and warehouses                                   50% relative humidity:
                                                                                     Tack free             :   2 to 4 hours
            ! High rise construction to eliminate water curing
                                                                                     Full cure             :   24 hours
            ! General floor slabs and columns                                 Curing Efficiency
                                                                              (BS 7542-92)                 :   >75%
            ! Self-curing, primer system to subsequent coverings
                                                                              Water Retention
                                                                              (ASTM C156)                  :   Exceeds the requirements
            Advantages
                                                                                                               of ASTM C309
            ! Enhanced concrete durability - acts as a dustproofer/
              surface hardener, 55% increase in abrasion resistance           Instructions for use
            ! Excellent service life - good general resistance to             Preparation
              chemicals and UV exposure
                                                                              Concure A should be gently stirred immediately prior to use
            ! Labour saving - acts as a primer system for subsequent          to ensure uniformity of the material as applied.
              finishes
                                                                              New concrete
            ! Versatile - can be applied equally well to freshly placed or
                                                                              Application to freshly placed concrete should not begin until
              existing concrete
                                                                              the surface is free from water, and should not commence at
            ! Cost effective - low cost spray application                     all if bleed water is apparent. Concure A should be applied
                                                                              as soon as practically possible after removal of shuttering,
            Standards compliance                                              and whilst the concrete surface is still damp. However, any
                                                                              traces of laitence, grout runs or loose material should be
            Classified to ASTM C309, Class B. Available as Type 2(white)
                                                                              removed.
            or Type 1(clear), Meets the curing efficiency requirements of
            BS81110:PE1:Section 6:1985                                        Application
                                                                              Concure A should be applied uniformly by brush, roller or
            Description
                                                                              spray, with no overlap of applications. Under standard site
            Concure A is a non-degrading, resin, curing compound. It is       conditions, a single coat of Concure A applied at a uniform
            supplied as a single component liquid which is ready for          rate of 4.5 to 5.5 m2 per litre, will meet ASTM C309 curing
            immediate on-site application and available in two colours -      requirements.
            white and clear.
                                                                              The applied film should not be trafficked until fully dry, and
            Concure A is applied, by spray, to cementitious surfaces at a     care should be taken to ensure that the film is not broken.
            coverage rate of 4.5 to 5.5 m2 per litre. It produces a hard
                                                                              Spray equipment
            wearing surface, with excellent adhesion properties; thereby
            also making it suitable as a primer for subsequent finishes       Motorised or knapsack spray equipment, which produces a
            which do not rely on penetration for substrate bond.              fine spray, is recommended for use with Concure A.
            Specification
            The multi-purpose, curing compound shall be Concure A, an
            acrylic resin supplied by Fosroc. It shall be certified to ASTM
            C309 as a curing compound.
Concure A
Fosroc Concure A
Cleaning                                                             Storage
Spray equipment should be cleaned immediately after use by           When stored in warehouse conditions below 35°C, Concure A
flushing through with water. Any residual traces of resin which      has a minimum shelf life of 12 months.
are left in the nozzle may be cleaned with
                                                                     Freezing and exposure to heat and/or direct sunlight should
Fosroc Solvent 102*.
                                                                     be avoided.
Subsequent finishes
                                                                     Containers should be kept sealed and airtight to prevent any
The resin used in Concure A allows direct application of many        reduction in shelf life.
floor coverings and paint systems, as given typically below:
-   water based emulsion paints containing PVA, PVC, acrylic         Limitations
    co-polymers or pliolite**.                                       -    Concure A should only be applied in well ventilated areas.
-   bituminous emulsions and solutions
                                                                     -    Any concrete surfaces which receive treatment with
-   thin section polymer modified cement systems
                                                                          Concure A should not be disturbed until the concrete has
-   epoxy resin coatings which do not rely on penetration for             gained sufficient strength to bear surface loading.
    substrate bond
                                                                     -    Concure A should not be exposed to moving water, or rain,
                                                                          during application or before it has become tack free.
Estimating
                                                                     -    Concure A has been tested for bond to subsequent finishes
Supply
                                                                          and found to perform satisfactorily. However, many
Concure A                   :   20 litre packs
                                                                          variations of each individual type of finish exist and it is not
Fosroc Solvent 102          :   5 litre packs
                                                                          possible to test each and every one. It is therefore
Coverage                                                                  recommend that an onsite bond test is carried out to
                                                                          determine absolute suitability.
Coverage figures quoted for Concure A are indicative; and
based upon application to fresh or damp concrete at the
                                                                     Technical support
appropriate time. Care should be taken to ensure that the
concrete is indeed ready to accept the curing membrane.              Fosroc offers a comprehensive technical support service to
                                                                     specifiers, end users and contractors. It is also able to offer
Application rates outside the range given below may be used
                                                                     on-site technical assistance, an AutoCAD facility and dedicated
if necessary, but it is recommended to first contact your local
                                                                     specification assistance in locations all over the world.
fosroc office.
Concure A                   :   4.5 to 5.5 m2/litre
                                                      Concure A - Page 2 of 4
Fosroc Concure A
Precautions                                                                 Additional Information
Health and safety                                                           Fosroc manufactures a wide range of complementary products
                                                                            which include :
Concure A and Fosroc Solvent 102 should not come into contact
with skin or eyes, or be swallowed. Avoid inhalation of vapour spray.       ! waterproofing membranes & waterstops
Use only in well ventilated areas. If work is required in confined
                                                                            ! joint sealants & filler boards
spaces, then respiratory equipment should be used.Suitable
protective gloves and goggles should be worn at all times. Splashed         ! cementitious & epoxy grouts
on the skin should be removed with water. In case of contact with
                                                                            ! specialised flooring materials
eyes, rinse immediately with plenty of water and seek medical advice.
If swallowed seek medical attention immediately - do not induce             Fosroc additionally offers a comprehensive package of products
vomiting.                                                                   specifically designed for the repair and refurbishment of damaged
                                                                            concrete. Fosroc’s ‘Systematic Approach’ to concrete repair features
Fur further information, please consult the relevant Material Safety
                                                                            the following :
Data Sheet for these products.
                                                                            ! hand-placed repair mortars
Fire
                                                                            ! spray grade repair mortars
Concure A and Fosroc Solvent 102 are flammable, store in
accordance with local fire prevention regulations. Keep away from           ! fluid micro-concretes
sources of ignition, in the event of fire extinguish using CO2 or foam.
                                                                            ! chemically resistant epoxy mortars
Do not use a water jet.
                                                                            ! anti-carbonation/anti-chloride protective coatings
Flash points
Concure A                    :   40°C                                       ! chemical and abrasion resistant coatings
Fosroc Solvent 102           :   33°C                                       For further information on any of the above, please consult your
Cleaning and disposal                                                       local Fosroc office - as below.
Spillages of Concure A or Fosroc Solvent 102 should be absorbed
onto sand, earth or vermiculite and transferred to suitable containers.
Remnants should be hosed down with large quantities of water.
The disposal of excess or waste material should be carried out in
accordance with local legislation, under the guidance of the local
waste regulatory authority.
                                                                      Concure A - Page 3 of 4
Fosroc Concure A
Why use polymer curing compounds?                                           General purpose
Polymer curing compounds are ultimately more efficient and                  The general purpose category is designed for common
cost effective than water because they are a one time, one                  concreting applications; such as floor slabs, columns etc.
coat application.                                                           Both products are available in clear and white pigmented
                                                                            versions, the latter being of particular benefit in reducing solar
The alternative, with water curing, is to constantly monitor the
                                                                            heat gain on large, exposed surface areas.
concrete surface and replenish with water as and when
necessary. During the summer months this can easily                         Concure WB
become a full time occupation - right through the night - and is
                                                                            ! water based curing compound > 80% efficiency
very difficult to maintain on vertical or inclined elements.
                                                                            ! economic answer to curing problems
In contrast, polymer compounds are practical, very easy to
apply and produce a constant, controlled rate of cure, which                Concure RB90
will underwrite the future durability of the concrete.
                                                                            ! resin based curing compound > 90% efficiency
! more efficient cement hydration - more durable concrete
                                                                            ! cost effective, high performance
! improved surface quality - reduces permeability
                                                                            Dual purpose
! reduced plastic shrinkage - minimises cracks and repairs
                                                                            The dual purpose compounds, as the name suggest, not
The Concure range                                                           only provide efficient curing, but also include equally important,
                                                                            permanent and supplementary features.
Fosroc has developed the Concure range of concrete curing
compounds to suit a variety of concreting applications.                     Concure DPM
Each Concure product is designed to meet specific site                      ! bitumen based curing compound
criteria; and each one is classified, according to ASTM C309,
                                                                            ! provides permanent waterproofing
as a high performance curing compound. The range itself
can be split into two distinct categories:                                  Concure A
! General purpose           -         Concure WB                            ! acrylic resin curing compound
                            -         Concure RB90
                                                                            ! acts as a permanent hardener and dustproofer
! Dual purpose              -         Concure DPM
                            -         Concure A
                                                                            * 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 recent 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/0235/08/F