De ' eoiately.

If and when leakage does occur then fault

remedial action can be a monumental task, with water tracking
oeneath he screed and/or membrane.

Alternatively, Radcon Formula #7~ is applied to concrete with pre-formed fall

, a s rlace coating, ao' re, crystal growth, or water lines thus eliminating the need for protective screeds. As there is only one
oo::hemically modi ed solution tha is spray applied to cured waterproofing variable, the concrete, in the advent of a leakage during the life of
a 3 day a eri g process, the product penetrates and reacts the structure, repair is performed directly to the concrete. Even with this being the
e e orming a sub-surface barrier, waterproofing pores, capillaries case, waterproofing will never substitute good engineering practice of quality
cracks agains the ingress of water and contaminants. concreting, adequate jointing and detailing.
prj~phybehind Radcon Formula #78 is that the product works with the
le. as concrete does have some inherent waterproofing capability. By doing WHAT MAKES RADCON #7 DIFFERENT?
Radcon Formula #78 makes the concrete waterproof, both through the matrix
The unique features of Radcon Formula #73 relate to it's silicate composition
importantly sealing cracks. Tradition has been to introduce another variable
which has been biochemically modified. Firstly, the product will permanently
waterproofing equation, that being a membrane to cover up the concrete.
waterproof existing leaking cracks in concrete up to 2.00mm, even when exposed
o protect the membrane from environmental and mechanical damage a
to typical high thermal stresses on rooftops. Secondly, the product that has
. e screed is often required, thus introducing another variable. absorbed into the concrete matrix remains active to seal new hairline cracks on
construction, any surface coating becomes vulnerable to damage from contact with water. This phenomenon has been confirmed on applications in
r trades. The problem which arises from this traditional approach, may not areas of earthquake activity.

WHAT RADCON #7 DOES.

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FAST NON-TOXIC
e application rate with one motorised spray unit ranges up to 800 sqm per Radcon Formula #~ is water-based. Equipment can easily be cleaned and the
ur. This enables relatively quick product application to fast-track projects. product can be safely handled on-site.
EASE OF APPLICATION COMPLETE WATERPROOFING
Although the product requires a level of technical competence, it is easy to apply. (MATRIX, CRACKS AND FUTURE HAIRLINE CRACKING)
the end of the application this can easily be tested by ponding the treated area. Radcon Formula # is a complete replacement for a membrane as it
TRAFFICABLE (AFTER 1ST WATERING) waterproofs both the concrete matrix, and cracks even when exposed to high
After the first watering is completed, at approximately 6 hours after product thermal stresses. The penetrated product remains reactive in the presence of
application, the site becomes completely trafficable. This increases site time water to provide autogenous healing capabilities to future hairline cracking.
efficiency and reduces risk of damage from other trades during construction. RISK MANAGEMENT
OUT-GASSING Radcon Formula #7a is applied directly to structural concrete with no requirement
In humid environments trapped moisture in concrete often leads to premature for a protective screed - one waterproofing variable. Thus, if, at any stage of the
delamination of membranes. Alternatively, Radcon Formula #7~ still enables the building's life, a leakage occurs it can be repaired quickly and easily with no
concrete to out-gas moisture eliminating this problem. tracking beneath a membrane or screed. This approach drastically reduces the
cost of ongoing maintenance with no removal of membranes or toppings.
In freezelthaw environments, Radcon Formula #~ significantly reduces moisture
absorption into the matrix and seals cracks increasing the concrete's durability in
PROVEN PERFORMANCE
this harsh environment. The out-gassing also allows moisture to evaporate out of With product applications dating back to 1975, Radcon Formula #7 has
the concrete reducing freeze-thaw damage. developed an enviable track record, based on successful long term performance.
Radcon Formula #7~ is available across some 25+ countries and now
waterproofing sites of global recognition.

Radcon Formula #73 is a biochemically modified silicate solution that provides • Permanently seals existing cracks up to 2.00mm.
long-term waterproofing and durability benefits to concrete. It penetrates into • Reseals future hairline cracking.
concrete and reacts with free calcium and water to form a non-water soluble
• Reduction of chloride diffusion coefficient by 89% to 3.5 (10.'2 m2/s).
calcium silicate hydrate gel complex in cracks, pores and capillaries. This gel • Water permeability reduced by 70% to 5.0 (10"2 m/s) at 10kg/cm2,
creates a sub-surface barrier against the ingress of water and contaminants such • Increases surface hardness from 6 to 8 on Moh's scale.
as chloride ions.
• Reduces scaling in freeze-thaw environments by 89% at 50 cycles.
Radcon Formula #~ will seal existing leaking cracks up to 2.00mm. In the matrix • Allows 84.1% moisture vapour permeability.
the product remains reactive when in contact with water to provide autogenous
• Suitable for tanking applications (positive hydrostatic pressure) -
healing properties to future hairline cracks. tested to 400 metres,
• Non Toxic - Certified suitability for potable water.

FRONT PAGE
Seventh Edition Copyright © 2012 by Radcrele Pacific Ply. Ltd.
1. Baan Sansaran Resort, Thailand
A.C.N 003 228 975
2. Kuala Lumpur Telecommunications Tower SYDNEY AUSTRALIA
3. Vas Hotel, Abu Dhabi
Radcon Formula #~ and Radcrete8 are registered Trade Marks of Radcrete Pacific Ply. Ltd.
4. Seacon Square Shopping Centre. Bangkok
5. Highway Bridge SS 115, Italy
 - e' sealing where segregation and voids are likely such
as COniStrllctiolnlpourjoints. or suitable around penetrations where there is a non-
masonry/cementitious interface. (See ANCILLARY DETAILING
RECOMMENDATIONS)
Radcon Formula #"P'is not suitable for negative hydrostatic pressure applications
u: will be a non-toxic, clear, odourless silicate based material with such as the inside face of a basement/retaining wall which is constantly wet.
emJy biochemical modification such as Radcon Formula #r' APPLICATION SPECIFICATION
red by Radcrete Pacific Ply. Lld:
BASIC ApPLICATION REQUIREMENTS
ution will penetrate into concrete and react with free calcium and water
• Radcon Formula #7" must be applied to a clean, dry, dust-free concrete
a. a.~ . n temperatures. The solution will form a non-water soluble calcium
surface, at least 28 days old. Renders may be treated after 7 days.
'e hydrate gel complex which is a chemically resistant compound in cracks,
• Any materials that retard penetration such as curing compounds must be
and capilliaries:
removed prior to application.
product will seal existing leaking cracks up to 2.00mm. In the matrix, it
• Where segregation or voids are apparent, chip out, spray with Radcon
. s reactive with water to provide autogenous healing properties to future
e cracks." Formula #7", then make good with cementitious materials.
• Good concrete practice should be followed such as adequate curing,
CONCRETE MIX DESIGN compaction and vibration.
• Old or carbonated concrete requires Calcium treatment to reinstate free
Radcon # will meet or exceed its stated performance when applied to slag
concrete or ordinary Portland cement type GP concrete; Type "C" fly-ash Calcium. Contact Radcrete Pacific Pty. Ltd.
acement up to 30% of cement replacement. Type "F" fly-ash is NOT suitable • Do not apply where ambient temperatures are below +5C or above +35C .
use with Radcon #7"due to causing pozzolanic reactions in the concrete. ApPLICATION RATES
LARGE OR STUBBORN CRACKS Normal: 1 litre to 5 square metres.
out and flood crack with product. A Calcium solution may be required to bulk Smooth, dense surfaces: up to 1 litre to 6 square metres.
the product in large cracks. Fill with a non-shrink or polymer modified mortar; Rough, porous surfaces: down to 1 litre to 4 square metres.
revert to an elastomeric sealant if there is a possibility that the crack is For cracked areas: an additional 1 litre per 5 lineal metres is recommended.
OOng"or ''volatile''. In large cracks where the product runs through quickly, ApPLICATION METHOD
emporarily use waterproof tape on the underside to pond product in the crack.
1. Locate all cracks and spray with solution ensuring they are flooded with product.
CURING COMPOUNDS
2. Apply the solution to the remaining area at a rate of between 4-6 sq.m. per litre.
Water curing is preferred - minimum 7 days. PVA (Polyvinyl acetate) which bio- 3. When surface becomes touch dry - (usually 2-6 hours depending on wind
degrades within 28 days is also suitable. Other materials such as chloro-rubber, conditions and ambient temperature) water generously the treated areas.
resins, wax emulsions and acrylics are suitable but will have to be removed by grit
4. On Day 2 - 24 hours later water again.
blasting or chemical wash to allow proper penetration of the product.
5. On Day 3 - 24 hours later water again.
LIMITATIONS 6. It is advisable that after the third watering, pond the area for a minimum of 12
Radcon Formula #7 is not suitable for sealing workinglvolatile cracks as a result hours to verify a waterproof seal has been achieved.
of structural defects or caused by mechanical damage. (see LARGE OR
STUBBORN CRACKS)

For faster and more effective waterproofing with Radcon Formula #7~ it is If the slab has already been poured, (i1) a
reinforcedliquid membraneextending100mm
i
s
-
£J.,.
I-
~ ~4
.
s ". ."
important to take into consideration specific design detailing. These detailing (il) STRIP SEAL OVER JOiNT s~oP bOard--lpWalerSloP

features allow the designer/Builder to optimise the inherent benefits of Radcon

(i) WATERSTOP CAST IN-SITU

either side of the joint is recommended. .<

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Formula #"P'giving the concrete structure greater durability against the ingress of Construction joints should be formed
water and contaminants.
vertically with a 'stop board' to ensure
COLD JOINTS Reinforced liQuid membrane
good compaction and either side of the
Parapet
joint.
Where parapet walls sit directly onto a
Backing rod
concrete slab a cold joint is formed. '"
'" EXPANSIONS JOINTS
Possible voids or shrinkage cracks can Three expansion joint systems are

:ne: .
occur. To waterproof this joint effectively detailed here: (i) for low pedestrian
whilst allowing for lateral movement, we
recommend the use of a two coat .
trafficable rooftops involving an adhered
(iii) CAR PARK
; a::S::;:'4
. ."5Jj
0

T
o 0
~ it" j

reinforced liquid membrane strip extending

100mm either side of the joint as detailed
here.
•
membrane strip and elastomeric sealant,
(i) LOW TRAFFIC - PEDESTRIAN
(iil HIGH TRAFFIC - PEDESTRIAN
(ii) for high pedestrian traffic rooftops
involving the use of upturns, metal plating
and elastomeric sealant, and (iii) car park
: ;.~
:
:;.

If upturns are incorporated into the concrete pour then these strip seals are not environment using system (i) plus a metal
required saving time and money. speed hump. All systems involve a dual
approach so that if one material fails then

I
UPTURNS/HOBS
the secondary seal will remain in place.
An upturn is a raised section of concrete -
HOb at plant room

~~J I
" II
~ .I PENETRATIONS
approxirnately 100mm which is formed as -L I . .
part of the base slab. These in-situ Where pipes form penetrations through
upturns are encouraged where parapet
walls or expansion joints are planned to .h"cb
" . ...
the structural concrete these should be
detailed in one of two ways: either, (i) use RADCON 17 treatment Strip seal
raise the cold joint above the floor level. a waterstop material cast in-situ or (ii) use (see cold
Walerslop joinl delail)
RADCON IIlrealmenl
Fall lines should be incorporated into the a reinforced liquid membrane strip
around hobs and upturns

slab pour for drainage and elimination of as weH as exlernal wall lace 100mm around the penetration .
toppings or screeds. For more detailed drawings of these
design considerations please refer to the
CONSTRUCTION/POUR JOINTS
Datasheet or our technical web page
At these joints, we recommend the use of: (i) a waterstop material such as a www.radcrete.com.au. (i) CAST IN-SITU (iil ALREADY CAST
reputable swelling hydrophilic rubber or bentonite clay to alleviate the risk of
leakage through potential honeycombing.
 e following list of technical appraisals and reports address the unique ABSAC Technical Opinion NO.193 Warnock Hersey Professional
Building Research Centre (UNSW) Services (Canada)
performance capabilities of Radcon Formula #73. This list is by no means Condition Survey Depth of Penetration
exhaustive, Radcrete Pacific Pty. Ltd. hold many tests from a variety of Building Research Centre (UNSW) Water Absorption
titutes around the globe for just as many specific applications. Laboratory Evaluation Vapour Permeability
ISATto B.S. 1881 Chloride Ion Penetration
en comparing Radcon Formula #73 with other materials one must Water Permeability Freeze- Thaw with De-icing Salts
Chloride Ion Diffusion (Taywoods) Chemical Resistance
appreciate the mechanism by which the product achieves a seal. That is, the Building Research Centre (UNSW) Slip Resistance
eated concrete will still absorb water into the top surface to reactivate the Corrosion Behaviour in Viscosity
Cracks - Marine Environment Non-Volatile Contents
oduct and create a waterproof barrier. Naturally this mechanism does not
University of Bologna, Italy Relative Density
d itself to tests such as absorption. Crack Widening & Sealing pH Value
Concrete Institute of Australia Hardness Test
The correct way to evaluate the product is by the reduction of the water SINTEF (Norway)
Watertight Concrete - Current
permeability coefficient of the treated concrete. Radcon Formula # creates Practice Note 28 Permeability under 10&40m
a watertight structure by sealing cracks up to 2.00mm and significantly US Highway Dept (USA) head of pressure
Bridge Deck Surface Treatments Chloride Ion Diffusion -
reducing the permeability of the matrix. Adhesion of Asphalt to treated surface wetting/drying
Resistance to Water Absorption SISIR (Singapore)
commitment to the ongoing research and development of the product, new Freeze-Thaw Scaling Resistance Non-Toxicity
'ng methodologies are constantly being explored in many different regions Effect of Hot (160'C) Asphalt on Potable Water Certification
treatment University of Sydney
the world. For a comprehensive overview of these test reports detailed
Effect of Out-gassing on material Calcium Leaching
re, please contact your nearest representative. Outdoor test

wing is an extract from the Radcon PRODUCT PROPERTIES PRECAUTIONS FOR USE
Formula #7" Material Safety Data Sheet covering Colourless, clear to slightly opaque, odourless, Exposure Limit - No known limit. Avoid skin
product's general properties. soapy feel. & eye contact as a general precaution.
EALTH NOTES Non-toxic & biodegradable
Ventilation - Exhausting required in totally
lowed - No known ill effects. Percent non-volatile solids: between 26.3% and 28.5%
enclosed environments. Breathing apparatus
Exposure - Severe irritation. Flush with large Specific gravity at 25C: between 120 and 1.25 advised in these locations.
unts of water. 0.0% VOG (Volatile Out-Gassing)
'n - No known ill effects have been noted Personal Protection - Avoid direct contact with
Flash point - no true flash - boils at 101C
ver, with chemicals, one should always avoid eyes at all times. Protective goggles should be
Auto ignition temperature - N/A Non-explosive
et with skin. worn.
Viscosity -14.3 centipoise or 0.1172 Stokes
led - No known damage to internal tissue. Flammability - Non-flammable.
Hazardous chemicals - Sodium Silicate (modified)
ENTIFICATION CODES
pH 11.7 Storage and Transport - To be stored or
ian Adchem Code - Material 15660 Elements: Na, Si, Fe, Ni, Cu, Zn, Zr decantored into lined steel drums or
anufacturers Code C - 101
modified Sodium Silicate (major constituent) polypropylene containers.

n Formula #73 has a similar viscosity to water thereby enabling easy MOTORISED SPRAY UNITS
tion. Depending on the type of application that is being undertaken On large sites, a motorised sprayer will usually
erent equipment can be used.
produce a coverage of 600 to 800 square
application equipment ranges from hand sprayers for small/detailed work, metres per hour.
torised spray units for car parks, bridge decks or airport runways.
Equipment should be used on the lowest
D SPRAYER pressure setting (30 psi) as atomising
hand sprayer is commonly available the product will increase waste if there is any
hardware stores. It is ideal when wind. The units normally comprise
attessing spalling cavity treatment or of a 1.5hp pump with adequate hosing for easy access on site.
of a few square metres. APPLICATION PRECAUTIONS
CK ~CK SPRAY UNIT Ensure all glass, aluminium, wood stains and painted metal railings are protected
'ng a Sol08 ~ 30psi pressurised from Radcon Formula #73 over-spray or any residual product during watering
ck spray, one can expect a procedures. For cleaning all equipment should be thoroughly flushed with water.
ge or 100 to 150 square Work should not be undertaken utilising Radcon Formula #78 without first
es per hour. This makes the unit consulting Radcrete Pacific Pty. Ltd. or referring to the Datasheet or our technical
or small podium decks and balconies. web page www.radcrete.com.au for specific detailing.

Fonnula #73 is available in 2ltr, TECHNICAL SERVICES GUARANTEES

20Itr and 200ltr drums. Product is
Complete technical information including 10 or 15 year guarantees for
aclured in full. No product dilution. Radcon Formula #73 treated
testing data and detailing is available
ELF LIFE & STORAGE from Radcrete Pacific Pty. Ltd. and areas are available where
limit to she~ life. authorised distributors. Other published Approved Applicators are used
sealed and avoid information includes the Datasheet and and in suitable applications.
exposure to direct sunlight Design Detailing www.radcrete.com.au. Contact the manufacturer for further
container For your nearest technical representative, information and confirmation of
please contact Rmete Pacific Ply. Ud. suitability.
1. Car Parks . ~
Radcon #7 is ideal for this I_I.>-;~~~nl~~c
~/. ~
application as it forms a sub-surface i~~§~J.~; t~
waterproof barrier and seals cracks,
Ill'(::':"~ ~~-i'l~~ •.-.
even when exposed to high thermal
stresses. Combine this with Radcon
#7's increase in surface hardness,
no loss in slip resistance and easy
~~~
cleaning due to limited penetration
of oil and the choice becomes clear. Australian Taxation Office, Wahooo! Water Park, Bahrain
Wollongong, Australia. 15,000 sqm. Radcon # 7 is stopping 2
The product is applied directly onto 3,500 sqm. Radcon #7 used to waterproof the million litres of water leaking into the
the structural concrete without any concrete roof and podium level. shopping centre below.

protection required. Thus if there is

3. Bridge DeckslRaised 5. Concrete Protection
any leakage in the future, repairs
can be made immediately to the Freeways By sealing both the matrix and
structural concrete, without any The multiple benefits of Radcon #7, cracks up to 2.00mm, Radcon #7
tracking problems. specifically, fast application, provides high resistance to chloride
ions from salt water or de-icing sails.
AI Corniche Hotel, Saudi Arabia
complete trafficability, concrete
Radcon # 7 was applied to the rooftop
protection and reduced maintenance In cracks, the product provides a
swimming pool and surrounding
costs, make this treatment a most highly alkaline environment to podium.
cost effective protection for civil maintain passivity to the
structures. Another major benefit is reinforcement, and dramatically 7. Tiled Areas!
the adhesion of asphaltic topping to reduces spalling & mass loss in Shower Recesses
the substrate is not impaired. freeze-thaw environments.
In remedial applications, Radcon #7
is applied to the tiled surface to
prevent the penetration of water
Car Park, Japan through porous mortar joints. Mortar
4,000 sqm. Radcon #7 joints should be in good condition
treated to top level of car park.
and any cracks in the tile bed
should be treated with caution a.s
they may be volatile. Therefore, they
may require grind and filling with an
elastomeric sealant material to allow
Sandringham Yacht Club, for movement.
Tarif Interchange, UAE Victoria, Australia.
In new construction, Radcon #7 is
2,000 sqm. Radcon # 7 3,000 sqm. Radcon #7 applied to this
is protecting the concrete in the harsh pre-cast wave barrier for concrete protection. also suitable for application beneath a
climatic conditions of the UAE. tile bed and will in fact increase the

bond strength between the mortar bed

and the structural concrete by 27%.
Maia Shopping Centre, Portugal
12,500 sqm. Radcon # 7
was applied to car park area.

2. Roof tops/Podium Decks

The main benefits of Radcon #7 are
long term waterproofing
Grain Berth, Port Kembla,
performance in high thermal stress New Taipei Freeway, Wollongong, Australia.
sites, combined with major cost Taipei, Taiwan. Radcon #7 alone, was used to seal these
reductions, low maintenance and 65,000 sqm. Radcon #7 used to waterproof leaking cracks up to 2.00mm. Monument Yogya, Indonesia.
absolute UV resistance. The 4km of raised freeway prior to asphalt topping. Radcon #7 was applied to 5,000 sqm beneath
finished treatment leaves the
6. Facades the tiled finish.

structural concrete completely

4. Water Holding Vessels Facades either cast in-situ or
trafficable to generate more useful The non-toxic nature of Radcon #7 rendered will benefit from a Radcon
space for a building. and ability to withstand severe #7 treatment by: sealing shrinkage
hydrostatic pressure makes this cracks, stopping efflorescence and
Alternatively, the roof rnay be covered
application ideal for potable water reducing permeability. Paints and
with outdoor synthetic grass or tiles
with no bond loss to the substrate. for human consumption, aquariums other coatings may be applied over
and water treatment plants. the treatment with no bond loss. De-
Lippo Karawaci Shopping Centre,
Tempe Water Tower, laminating render may be re-bonded
Sydney, Australia. by Radcon #7 injection.
1,000 sqm. Radcon #7 used to waterproof
Detail of shower recess.
Radcon #7 can be applied to mortar joinls
around tiles to stop waler leakage.

The site applications, briefly outlined

herein, show just some of the major
Radcon #7 uses for waterproofing
Jakarta, Indonesia. and durability improvement of
50,000 sqm. Radcon #7 used solely to concrete. Comprehensive
waterproof this flat concrele roof directly over Heritage Building, information is detailed in the
retail. the inside of this leaking water tower.
Melbourne, Australia.
Datasheet or our web page
This single skinned rendered building had
www.radrete.com.au.
leaked through the facade for many years.
After several coats of paint were removed
Radcoo n was appied' stop all leakage .