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DAW
External Thermal Insulation
Composite Systems
ETICS
requirements with regard to sustainability, health,
environment, quality and life cycle
Dr. Andreas Kiesewetter, DAW Germany
Kuwait, February 2012
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2. DAW
DAW
Genuine Quality.
• founded in 1895
• No.3 in Europe after Akzo/ICI, PPG/Sigma
• Europe´s largest privately owned manufacturer of
architectural coatings.
• No.1 in Germany, Austria, Turkey
• total turnover 1,3 bn Euro
• 5600 empoyees world wide
• more than 50 years of experience with ETIC
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3. The DAW-Group includes more than
50 locations throughout the world
DAW
Top Brands for façade:
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4. Dr. Ing. Andreas Kiesewetter
1959 born
1981 – 1989 Bauhaus University in Weimar, Germany
civil engineer, scientific research, doctoral agree
1991 – 2006 YTONG/XELLA (largest producer of aerated
autoclaved concrete in Europe)
head of business development, sales support
2006 till now DAW
Business development international
head of building envelope systems
(ETICS, ventilated façade, internal insulation etc.)
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5. The concept of sustainability
What is the meaning of sustainability?
If you plan for a year, you should seed grain,
If you plan for a decade, you should plant trees,
Sociocultural
If you plan for a lifetime, you should educate humans.
factors
Guan Zhong (ca. 650 AC)
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6. Aspects for the sustainability
Environmental
it must take care to the ecology
Social
it must make „happy“ (health)
Technical
it must be functional (usability and durability)
Economic
it must be affordable (expenses acceptable)
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7. Environmental Aspects
Global Warming Potential with emission CO2
Energy Consumption
Ozone Depletion and Ozone Creation Potential with VOC emissions
Emissions to air, leaching to water and soil
Water Acidification and Eutrophication Potential
Potable Water Consumption
Waste Production
Renaturation
Durability, life cycle costs
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8. Technical Aspects of ETICS
Energetic upgrade of the building’s shell
Quality upgrade of the building’s shell concerning moisture
Easy to clean and easy maintenance of the structure
Protection of surfaces
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9. Economical Aspects of ETICS
Low life cycle costs (long durability, low service expenses)
Value stability (nice surfaces, nice colours)
Energy saving by heat retention (low share cost, high rent)
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10. With an thermal insulation the heat transfer through the
building envelope can be reduced
Picture of an infrared camera before and after renovation
Without heat insulation With heat insulation
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11. … but ETICS will help saving resources and
money in hot climates as well
Thermal insulation system in hot climate conditions
Without heat insulation With heat insulation
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12. For the optimum solution for thermal insulation a few
considerations have to be taken into account
Practical considerations of a thermal insulation system
Create a closed external insulation envelope for the building without
thermal bridging
Vapour barrier and dew-point to prevent damage caused by humidity
The insulation medium
Mechanical stability and fixation
Flexibility of the system in terms of accessibility, maintenance,
renovation, damage
Without heat insulation With heat insulation
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13. Temperature situation of non-insulated wall with
concrete column
• 25 cm solid block
• 50 cm concrete column
• Inside Temp 18 C
• Outside Temp 48 C
Therm Finite Element Simulator (University of California, project supported by the US Government)
http://windows.lbl.gov/software/therm/therm.html
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14. Optimized temperature situation with ETICS – no thermal
bridges due to an envelope system
• 25 cm solid block 18.6 C
• 6cm EPS ETICS
18.6 C
• 50 cm concrete column
• Inside Temp 18 C
• Outside Temp 48 C
20.9 C
Therm Finite Element Simulator (University of California, project supported by the US Government)
http://windows.lbl.gov/software/therm/therm.html
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15. High quality ETICS – How does it
look like under sustainability aspects
Mounting (Adhesive Mortar)
Insulating Board (EPS)
Reinforcing Mesh
Thermal
Reinforcing Mortar Conductivity ???
Finish Coat with Vapour Barrier
Mechanical
Durability ???
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16. Thermal Conductivity – dark infrared absorbers
in the EPS board lead to better conductivity …
White Insulation Board
IR-radiation can pass this material
Dark Insulation Board
IR-radiation will be absorbed and reflected
due to carbon particles
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17. Dalmatiner Technology – the solution to combine
the advantages of black and white boards
+ =
The patented mixture of black and white pearls results in
a technology with low thermal conductivity of the black
board combined with the form stability of the white board
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18. Overview over different EPS insulation materials
EPS 040 EPS Dalmatiner 035 EPS Dalmatiner 032 EPS 032
thermal conductivity thermal conductivity thermal conductivity thermal conductivity
λ = 0,040 W / (m K) λ = 0,035 W / (m K) λ = 0,032 W / (m K) λ = 0,032 W / (m K)
density density density density
ρ ~ 0,16 kg / m3 ρ ~ 0,16 kg / m3 ρ ~ 0,16 kg / m3 ρ ~ 0,16 kg / m3
thickness comparison
14 cm will equal 12 cm of EPS 035 11 cm of EPS 032 11 cm of EPS 032
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19. Solutions to modern construction challenges
Saving energy – efficient and easy:
ETICS provide a shell around living
spaces to protect from chill and/or heat.
No loss of heat via leaks and thermal
bridges.
Fully designed for a perfect Saving Costs
• Excellent insulation values (U-value) due to
architectural style. unique “Dalmatian” insulation boards.
• Insulation outside the structural wall: stabilised
Easy to install and easy to maintain. living space temperature by thermal potential of
wall mass.
Insulation upgrades to a better level are • Reduced activity of heating equipment or air
conditioning: smaller installation units.
possible at any time.
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20. Mechanical Durability – stress on facades
Stress mechanisms on facades
Mechanical stress due to
wind loads
Thermal stress due to
temperature changes
Mechanical stress due to
vandalism, playing kids,
knives, public traffic, …
Color fading due to UV-light
Abrasion effects due to
wind, sand, weather, …
With increasing
durability the
sustainability will
increase
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21. Carbon fibers as known solution for high tech products
with optimum mechanical performance
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22. Carbon Fibers in the reinforcement mortar are the
secret for increased durability
Cross-section of a Carbon ETICS System
Reinforcement with
Carbon
Carbon Plaster under the microscope
Final fiber Dalmatiner EPS
Coat glass insulating board
mesh
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23. The Carbon fibers lead to an stunning performance
in the Steel-Ball-Impact Test …
According to the European ETAG 004
the mechanical resistance of ETICS
has to be
• 3 Joule for standard ETICS
• 10 Joule for high performance ETICS
Setup of the test:
a steel ball is dropped from a certain height
1 Joule = 1 kg dropped of from 10 cm
3 Joule = 1 kg dropped of from 30 cm
10 Joule = 1 kg dropped of from 1 m
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24. Carbon Plinth Reinforcement –
Steel Ball Impact Test according ETAG 004
minimum requirement limit of the test standard
mineral system
1 layer Carbon-Plaster
2 layer carbon plaster – up to 60 Joule
0 10 20 30
Energy [Joule]
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25. High quality ETICS – How does it
look like under sustainability aspects
Mounting (Adhesive Mortar)
Insulating Board (EPS)
Reinforcing Mesh
Thermal
Reinforcing Mortar Conductivity
Finish Coat with Vapour Barrier
Mechanical
Durability
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26. ETICS provides solutions to modern
construction challenges
Flexible designing:
ETICS are well balanced between function
and form.
Only few restrictions in architectural
designing.
Adaptable to personal style for new
buildings and in case of refurbishments.
Surfacing in a wide range in colours and
structures.
Durable in surviving
Tough under all weather conditions.
Strong even under mechanical impacts.
Reducing thermal stress in structural
constructions.
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27. Criteria for products
Facade paint with low dirt pick-up
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28. High quality ETICS – features and key performance indicators
Optimal Thermal Protection Building Envelope
Optimal Water Vapour barrier possible
Flexible Thermal Characteristics U-Value ≤ 0.20 W/m²k @ 16cm EPS
Unique Strength up to 60 Joules (resistance of 1kg ball free fall over 6m)
High Rise Sustainability up to 143m (Sofitel, Dubai)
Solutions for resisting building movements and swinging
Prevent Thermal Bridges can be downsized to “0”
Flexible Design Curves, Grooves, Special finishes
More than 250,000,000 m² of experience world wide
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29. Thermal Insulation – The Reasons
Reduce air-condition costs
Reduce the dependency on climate control equipment
Increase the comfort level of the living space
Eliminate thermal loads for building structure
Environmental consideration
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30. Innovative products, systems and technical support
Pre-specification alternatives
Provide full and integrated support in the
pre-specification phase that will insure the
best possible system is selected.
Specification details
Provide full details of all elements
including CAD drawings, fixing and
reinforcing elements.
Selection of certified applicators
Aid with the selection of certified
applicators that meet the project
requirements.
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31. Details and solutions from plinth to roof
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32. Solutions to modern construction challenges
Training
Provide technical training that rectified
identified shortcoming.
Guarantees
Provide guarantees for every step in the
approved system.
Maintenance program
We will help construct a maintenance plan for
the life span of the building.
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33. Sofitel Hotel – JBR, Dubai, 143m , 8500m²
Sofitel Hotel, Dubai
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