Sikadur -Combiflex
®
®
High Performance Joint and Crack Sealing System
Sika – Your Local Partner with a Global Presence
Sika has more than 9’200 employees in these subsidiary companies’ facilities that are therefore ideally positioned to support the
success of our partners – both our suppliers and our customers.
Construction
Sika is a multinational company in the speciality and construction
chemicals business. It has subsidiary manufacturing, sales and
technical support facilities in over 70 countries around the world.
Sika is THE global market and technology leader in waterproofing,
sealing, bonding, damping, strengthening and protection of
buildings and civil engineering structures.
Also available from Sika
Sikadur -Combiflex
High Performance Joint and Crack
Sealing System
®
Sika Services AG
Corporate Construction
CH-8048 Zürich
Switzerland
Phone +41 44 436 40 40
Fax +41 44 436 46 86
www.sika.com
Our most current General Sales Conditions shall apply. Please
consult the Product Data Sheet prior to any use and processing.
O
00
1
9
01 / E N 2
since 1986
Certif
ie
Ce
rti
IS
90
d
nagemen
Ma
t
IS
stem
Sy
em
st
a
d Qu lity Sy
fie
O 14 0 0 1
since 1997
S&W 03.05 / 05SIC 21.2 / © Sika AG, Switzerland
Your local Sika Company
®
Sikadur
Watertight
-Combiflex
Concrete Case
Construction
Studies
Typical watertight Concrete Structure
Technology for watertight Joints
The Selection Criteria
A
C
®
Project
Project
External Surface applied
Investment Bank
Foundation and Record Office below
Ground Water Level.
Problem
Problem
-C
Dam for Hydroelectric Power Plant
in the Swiss Alps (Grimsel),
Joints at Air Side.
Internal Surface applied
Deteriorated polysulphide sealant
Concrete damage due to leaking joints
Leaking joints due to installation errors of waterbars
Water
aHumidity
pressure
< 10 ofm papersR in archive
damage
R
Grade 1
Water pressure > 10 m
R
R
Sika Solution
Sika Solution
Application of the Sikadur®-Combiflex®-System with the
following advantages:
Long-term resistance against UV, ice and snow etc.
No need to remove old sealant
Overbridging wide joints
Easy mixing of Sikadur®-33 with Sika CoMix®-101
Application of the Sikadur®-Combiflex®-System with the
R
R
Constructio
n joint
following
advantages:
Application inside of the building
R compared to injections
R
Higher security
Movement
joint and durability
Overbridging wide joints
Easily adaptable
R corners
S
Continuous
secant in edges and
pilling
Connection to existing
buildings (movement)
B Project
Parking
Garage
Components
of watertight Concrete Construction
underneath a Public Square
with
Fountain.
Concrete
Technology
Technology for Joints
For watertight concrete with
minimized permeability:
For watertight construction and
expansion joints:
Problem
Penetrations
Concrete Protection
For watertight penetrations:
For chemical resistance, crackbridging etc.:
Leaking joints and cracks
Damage of parked cars due to lime spots
Application of the Sikadur -Combiflex -System with the
following advantages:
UseAbsolutely watertight
Use
®
ViscoCrete
Sika®control
Visual
of application
quality Sikadur®®
Sikament
-System
Good
access ®to surface preparation Combiflex
(unlike sealants!)
®
®
Plastiment
Injectoflex
hoses
Sika (for
Easy
connection to waterproof membrane
example
®
concrete admixtures
-801)
SikaSwell® sealant and
Sikalastic
profiles
Sika® Waterstop
PVC waterbars
®
®
Use
Sikadur®Combiflex®-System
SikaSwell® S sealant
SikaSwell® P profiles
Use
Sikagard®
protective coatings
S
D
additional details
R
Repair work
S
R
each other
R
R
R
R
R
R
S
S
R
R
R
R
R
R
R
S
S
S
R
R
D
D
S
S
S
S
S
S
R
R
additional details
R
R
very suitable
D
>
R
< each other >
D
S
D
S
S
Injection
S
Tunnel
for Motorized STraffic
Water inside
with Joints in Ventilation Fuct.
R
D
S
S
R
S
D
D
R
S
R
R
Abrasion/mechanical
damage
D
D
D
R
R
R
R
Chemical
attack
Huge joint
tolerances
(sulphate water)
Air pressure variations
R
R
D
D
R
S
S
Aesthetic aspects
S
Problem
Sika Solution
Sika Solution
R
very suitable
additional details
<
D
R
additional details
Combination with
other systems
Cracks Project
Integral Cast in Place
-C
®
S not suitable
external sulphate water
D
2
2–3
Relative price level for
Application
of installation
the Sikadur®-Combiflex®-System with the
material and
following advantages:
Possibility to cover joint tolerances
Resistant and tight to air pressure
Resistant against exhaust gases
D
R Recommended
R
R
R
R
D fit for limited duties
1 low price
2–3
2–3
2
1
1
2 medium price
3 high price
Key Advantages Sikadur®-Combiflex®-System
Adaptable to the construction programme
Easy to adjust to complicated construction details
Simultaneous additional crack sealing possible
Damage or leaks can be repaired externally or internally
Easy to control the application because it is visible
Easy to repair damage
Sikadur
Watertight
-Combiflex
Concrete Case
Construction
Studies
Typical watertight Concrete Structure
Technology for watertight Joints
The Selection Criteria
A
C
®
Project
Project
External Surface applied
Investment Bank
Foundation and Record Office below
Ground Water Level.
Problem
Problem
-C
Dam for Hydroelectric Power Plant
in the Swiss Alps (Grimsel),
Joints at Air Side.
Internal Surface applied
Deteriorated polysulphide sealant
Concrete damage due to leaking joints
Leaking joints due to installation errors of waterbars
Water
aHumidity
pressure
< 10 ofm papersR in archive
damage
R
Grade 1
Water pressure > 10 m
R
R
Sika Solution
Sika Solution
Application of the Sikadur®-Combiflex®-System with the
following advantages:
Long-term resistance against UV, ice and snow etc.
No need to remove old sealant
Overbridging wide joints
Easy mixing of Sikadur®-33 with Sika CoMix®-101
Application of the Sikadur®-Combiflex®-System with the
R
R
Constructio
n joint
following
advantages:
Application inside of the building
R compared to injections
R
Higher security
Movement
joint and durability
Overbridging wide joints
Easily adaptable
R corners
S
Continuous
secant in edges and
pilling
Connection to existing
buildings (movement)
B Project
Parking
Garage
Components
of watertight Concrete Construction
underneath a Public Square
with
Fountain.
Concrete
Technology
Technology for Joints
For watertight concrete with
minimized permeability:
For watertight construction and
expansion joints:
Problem
Penetrations
Concrete Protection
For watertight penetrations:
For chemical resistance, crackbridging etc.:
Leaking joints and cracks
Damage of parked cars due to lime spots
Application of the Sikadur -Combiflex -System with the
following advantages:
UseAbsolutely watertight
Use
®
ViscoCrete
Sika®control
Visual
of application
quality Sikadur®®
Sikament
-System
Good
access ®to surface preparation Combiflex
(unlike sealants!)
®
®
Plastiment
Injectoflex
hoses
Sika (for
Easy
connection to waterproof membrane
example
®
concrete admixtures
-801)
SikaSwell® sealant and
Sikalastic
profiles
Sika® Waterstop
PVC waterbars
®
®
Use
Sikadur®Combiflex®-System
SikaSwell® S sealant
SikaSwell® P profiles
Use
Sikagard®
protective coatings
S
D
additional details
R
Repair work
S
R
each other
R
R
R
R
R
R
S
S
R
R
R
R
R
R
R
S
S
S
R
R
D
D
S
S
S
S
S
S
R
R
additional details
R
R
very suitable
D
>
R
< each other >
D
S
D
S
S
Injection
S
Tunnel
for Motorized STraffic
Water inside
with Joints in Ventilation Fuct.
R
D
S
S
R
S
D
D
R
S
R
R
Abrasion/mechanical
damage
D
D
D
R
R
R
R
Chemical
attack
Huge joint
tolerances
(sulphate water)
Air pressure variations
R
R
D
D
R
S
S
Aesthetic aspects
S
Problem
Sika Solution
Sika Solution
R
very suitable
additional details
<
D
R
additional details
Combination with
other systems
Cracks Project
Integral Cast in Place
-C
®
S not suitable
external sulphate water
D
2
2–3
Relative price level for
Application
of installation
the Sikadur®-Combiflex®-System with the
material and
following advantages:
Possibility to cover joint tolerances
Resistant and tight to air pressure
Resistant against exhaust gases
D
R Recommended
R
R
R
R
D fit for limited duties
1 low price
2–3
2–3
2
1
1
2 medium price
3 high price
Key Advantages Sikadur®-Combiflex®-System
Adaptable to the construction programme
Easy to adjust to complicated construction details
Simultaneous additional crack sealing possible
Damage or leaks can be repaired externally or internally
Easy to control the application because it is visible
Easy to repair damage
Sikadur -Combiflex -System
Application
®
Special Solutions
®
1
Description
of the SystemSubstrate preparation by
6
Remove
tapes Red middlemasking
strip from Sikadur
®
Combiflex -Strip
means of sand blasting,
High performance joint and crack sealing
grinding etc., followed by
system consisting of Sikadur®-Combiflex
vacuuming ®
elastomeric sealing strip and Sikadur ®
thixotropic epoxy adhesive.
®
®
Sikadur®-Combiflex®-Adhesive
Activate the Sikadur®Combiflex®-Strip on the
upper and lower side with a
clean cloth and
Colma®-Cleaner
Prepared concrete
7
«plastic flow» under constant high water pressure. In order to over®
Use masking tape to cover
the joint
The Function
8
The System Components
Expansion joints and construction joints are
Sikadur Adhesives
To achieve a watertight, durable connection
sealed by increasing the path of water penbetween the Sikadur®-Combiflex®etration. The Sikadur ®-Combiflex®Adhesive is fully bonded to the substrate
Strip and the substrate, the following
as well as to the Sikadur®-Combiflex®2-component, epoxy-based Sikadur®
®
®
adhesives
-Combiflex
are used:
Strip.
Mix Sikadur
9
4
Adhesive components A and
®
Sikadur
-Combiflex®-Adhesive
B for a minimum
of 3 minutes
e = water penetration
(EN 206)
workability and finish
until the mix is Optimum
homogeneous
Provides smooth surface
®
s = increased length
for water penetration
s>>e
5
e
Apply Sikadur Combiflex®-Adhesive
on the strip
Sikadur® Strips
Weldable, no need for prefabricated
sections
Outstanding elasticity
High durability and chemical resistance
Remove masking tapes from
Root resistant
the joint sides as well as the
red middle strip from the
Sikadur®-Combiflex®Strip
Mechanical mixing and
dosage with
Sika CoMix®-101
Manual mixing with
spindle and
drilling machine
Filler board
Water pressure
Graph: Against negative water pressure/mechanical damage
®
Connection
betweenfrom
concreting
destroyed
for instance
the dirtsteps
collector in waste water
Floor-to-wall
treatment
plants.connections
To protect it from this influence, the system may
etc. connections
be Wall-to-wall
applied in a recess.
Inside or outside application
Different material connections
Resin flooring, e.g. Sikafloor®-325
Sikadur®-31or Sikadur®-42
(depending on depth of recess)
Sika backer rod
Sikaflex® PRO-3WF
Sikadur®-Combiflex®-System
PE separation foil
Joint filler
Graph: Against mechanical damage
The Sikadur®-Combiflex®-System provides a hygienic
connection between floor and wall in the food industry.
To further protect it against the influences of traffic, it should be
applied in combination with a guard rail.
Sikagard® coating
e.g. Sikaflex® PRO-3WF
e.g. Sikadur®-31
Resin flooring modified, e.g. with glass fabric
Sikadur®-31
When high layer thickness is required
Sikadur®-33
®
®
-Combiflex
- and dosage with
mixing
Apply SikadurMechanical
10
®
AdhesiveSika
on theCoMix
left-hand-101
Veryside
suitable
and the right-hand
of thefor high volumes
joint
Backer
rod
Water pressure
®
3
thickness = 2 mm)
®
Against mechanical Influences
ForSikadur
The
Construction
-Combiflex
Joints-System could be mechanically
®
joint sealant
For
Joints
comeExpansion
possible «bumps»,
the Sikadur -Combiflex -Strip is
Place activated Sikadur®Combiflex®-Strip in
position and roll Sikadur®Combiflex®-Strip to
exclude air through the special
perforations until adhesive
comes through
Joint-filler (filler board)
Steel cover plate
®
Temperature
dilatation means (see picture, negative water pressupported
by mechanical
Construction
settlement
sure)
or by a sealant
in the joint (positive pressure).
Material connections
Building connections
Sikadur®-Combiflex®-Strip
2
®
Against
The
Sikadur
Water
-Combiflex
Pressure®The Sikadur
-Combiflex -Strip shows the so-called
System
Solutions
For Crack Repair
Overlap strip connections 3 cm
in minimum, apply Colma®Cleaner or Hypalon-solvant,
weld by means of hot air
Resin flooring, e.g. Sikafloor®-261
Construction settlement
Shrinkage
Thermal influences
Statical overload
Example: Floor-to-wall movement joints in industrial flooring
During the time of construction, the Sikadur®-Combiflex®System could be mechanically hurt from other workers. It is
strongly recommended to protect especially the Sikadur®Combiflex®-Strip, for instance by means of strips made out
of rubber mats.
Sikadur -Combiflex -System
Application
®
Special Solutions
®
1
Description
of the SystemSubstrate preparation by
6
Remove
tapes Red middlemasking
strip from Sikadur
®
Combiflex -Strip
means of sand blasting,
High performance joint and crack sealing
grinding etc., followed by
system consisting of Sikadur®-Combiflex
vacuuming ®
elastomeric sealing strip and Sikadur ®
thixotropic epoxy adhesive.
®
®
Sikadur®-Combiflex®-Adhesive
Sikadur®-Combiflex®-Strip
Activate the Sikadur®Combiflex®-Strip on the
upper and lower side with a
clean cloth and
Colma®-Cleaner
2
Prepared concrete
7
®
Against
The Sikadur
Water
-Combiflex
Pressure®The
Sikadur
-Combiflex -Strip shows the so-called
System
Solutions
«plastic flow» under constant high water pressure. In order to overFor Expansion
Joints
come
possible «bumps»,
the Sikadur®-Combiflex®-Strip is
Temperature
dilatation means (see picture, negative water pressupported
by mechanical
Construction
settlement
sure)
or by a sealant
in the joint (positive pressure).
Material connections
Building connections
Place activated Sikadur®Combiflex®-Strip in
position and roll Sikadur®Combiflex®-Strip to
exclude air through the special
perforations until adhesive
comes through
Joint-filler (filler board)
Use masking tape to cover
the joint
The Function
8
The System Components
Expansion joints and construction joints are
Sikadur Adhesives
To achieve a watertight, durable connection
sealed by increasing the path of water penbetween the Sikadur®-Combiflex®etration. The Sikadur ®-Combiflex®Adhesive is fully bonded to the substrate
Strip and the substrate, the following
as well as to the Sikadur®-Combiflex®2-component, epoxy-based Sikadur®
®
®
adhesives
-Combiflex
are used:
Strip.
Mix Sikadur
9
4
Adhesive components A and
®
Sikadur
-Combiflex®-Adhesive
B for a minimum
of 3 minutes
e = water penetration
(EN 206)
workability and finish
until the mix is Optimum
homogeneous
Provides smooth surface
®
s = increased length
for water penetration
s>>e
5
e
Apply Sikadur Combiflex®-Adhesive
on the strip
Sikadur® Strips
Weldable, no need for prefabricated
sections
Outstanding elasticity
High durability and chemical resistance
Remove masking tapes from
Root resistant
the joint sides as well as the
red middle strip from the
Sikadur®-Combiflex®Strip
Mechanical mixing and
dosage with
Sika CoMix®-101
Manual mixing with
spindle and
drilling machine
Backer
rod
Filler board
Water pressure
®
Connection
betweenfrom
concreting
destroyed
for instance
the dirtsteps
collector in waste water
Floor-to-wall
treatment
plants.connections
To protect it from this influence, the system may
etc. connections
be Wall-to-wall
applied in a recess.
Inside or outside application
Different material connections
Resin flooring, e.g. Sikafloor®-325
Sikadur®-31or Sikadur®-42
(depending on depth of recess)
Sika backer rod
Sikaflex® PRO-3WF
Sikadur®-Combiflex®-System
PE separation foil
Joint filler
Graph: Against mechanical damage
The Sikadur®-Combiflex®-System provides a hygienic
connection between floor and wall in the food industry.
To further protect it against the influences of traffic, it should be
applied in combination with a guard rail.
Sikagard® coating
e.g. Sikaflex® PRO-3WF
e.g. Sikadur®-31
Resin flooring modified, e.g. with glass fabric
Sikadur®-31
When high layer thickness is required
Sikadur®-33
®
®
-Combiflex
- and dosage with
mixing
Apply SikadurMechanical
10
®
Adhesive Sika
on the CoMix
left-hand-101
Veryside
suitable
and the right-hand
of thefor high volumes
joint
thickness = 2 mm)
Graph: Against negative water pressure/mechanical damage
®
3
joint sealant
Water pressure
Against mechanical Influences
The
ForSikadur
Construction
-Combiflex
Joints-System could be mechanically
®
Steel cover plate
®
For Crack Repair
Overlap strip connections 3 cm
in minimum, apply Colma®Cleaner or Hypalon-solvant,
weld by means of hot air
Resin flooring, e.g. Sikafloor®-261
Construction settlement
Shrinkage
Thermal influences
Statical overload
Example: Floor-to-wall movement joints in industrial flooring
During the time of construction, the Sikadur®-Combiflex®System could be mechanically hurt from other workers. It is
strongly recommended to protect especially the Sikadur®Combiflex®-Strip, for instance by means of strips made out
of rubber mats.
Sikadur -Combiflex
Application Fields
®
®
Drinking Water Tanks
Waterproof Basements
Approved for contact with drinking water
Long-term water resistance
High joint movement capacity
Durable
Easy to control/repair
Independent of concreting steps
Sikadur®-Combiflex® tested under water pressure (Swiss
Federal Laboratories for Materials Testing and Research)
Waste Water Treatment Plants
Tunnel Walls
Resistant in sewage water
Long-term experience
Good abrasion resistance
Resistant to aggressive de-icing salts
and oils
Helps to prevent premature corrosion
of reinforcement
Sikadur®-31 adhesive
Sikadur®-Combiflex®-Strip
Sikadur®-Combiflex® after 12-month immersion in raw
sewage and drinking water
Swimming Pools
Protection of the reinforcing steel from corrosion
caused by de-icing salts and carbonization
Tunnel Ventilation Ducts
Resistant against ozone, chlorine and UV
Good cleanablility
Non-abrasive (to skin)
Resistant to aggressive gases and
exhaust fumes
Airtight
Flexibility to joint tolerances
Conventional sealant after
3-month ozone exposure
Sikadur®-Combiflex®-System
outgoing
air
fresh air
tunnel ceiling
traffic
Sikadur®-Combiflex® after
3-month ozone exposure
Sealing of ventilation ducts with Sikadur®-Combiflex®
Ground Water Protection
Facade Joints
Approved for ground water protection
High chemical resistance
High safety of environment
Impermeable
For high joint movement
Overpaintable (adhesive)
Outstanding weather resistance
Sikadur®-Combiflex®
Overstressed sealants are replaced with
Sikadur®-Combiflex®
Industrial Floor
Floor-to-wall joint connection
Compatible with Sikafloor®
Very hygienic
Impermeable
And many other possible Applications …
Sikafloor®
broadcasted for optimal slip resistance