energy saving with thermal insulation mortar.pdf
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CREATING TOMORROW'S SOLUTIONS
ENERGY SAVING WITH
THERMAL INSULATION MORTAR (TIM)Malik Jamal, Construction Polymers, June 2011
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Energy efficiency
June 2011, Slide 2
Wacker Chemie AG
WACKER Group (2010)
Founded in 1914 by Dr. Alexander Wacker
Headquartered in Munich
Sales: 4.75 billion
EBITDA: 1.19 million
R&D: 165.1 million
Investments: 695 million
Employees: 16,314
WACKER CHEMIE AGOVER 90 YEARS OF SUCCESS
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Energy efficiency
June 2011, Slide 4
WACKER POLYMERS - GLOBAL SETUP WITH REGIONALFOCUS
Business Card WACKER POLYMERS 2010
Sales: EUR 810.0 million
Capital expenditures: EUR 13.1 million
EBITDA EUR 122.6 million
Development of sales in million EUR*
+ APP
810
744
868
633560
474425
386382
20092008200720062005200420032002 2010
Global Network
Production Technical center Technical center & WACKER ACADEMY
Burghausen
Calvert City
Allentown
Shanghai
Dubai
Moscow
Sao Paulo
Melbourne
Singapore
NanjingBeijing
Mumbai
Suwon
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Energy efficiency
June 2011, Slide 5
WORLD MARKET LEADER CONSTRUCTION POLYMERS:ADDING VALUE TO DRY-MIX MORTAR SYSTEMS
Adhesive slurries
Plasters
Concrete renovation Gypsum applications
Skim coats
Powder paints
Troweling compounds
Tile adhesives
Grout mortars
Sealing slurries
Exterior Insulation and Finish Systems
Thermal Insulation Mortar
Primers
Cementitious surface coatings
Self-leveling compounds
Trademark
VINNAPASProducts
Co- and Terpolymers as
Dispersible PolymerPowders
Dispersions
Applications of Dispersible Polymer Powders in Dry-Mix mortars
Main IndustriesConstruction Chemicals
Dry-Mortar
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Energy efficiency
June 2011, Slide 6
CONTENTS
Welcome to WACKER
Need for Thermal Insulation Mortar
Characterization of Thermal Insulation Mortar
Thermal Insulation Mortar with VINNAPAS Powders
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Energy efficiency
June 2011, Slide 7
CLIMATE CHANGE IS OMNIPRESENT - SAVING ENERGYIS CRUCIAL FOR STOPPING GLOBAL WARMING
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Energy efficiency
June 2011, Slide 8
IN EUROPE BUILDINGS REPRESENT THE LARGEST ENERGY-CONSUMING SECTOR
Source: DG TREN, European Commission
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Energy efficiency
June 2011, Slide 9
EXTERIOR WALL INSULATION CONTRIBUTES THEMAJOR PART OF SAVING ENERGY IN BUILDINGS
Source: DENA, graphics Wacker Chemie AG
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Energy efficiency
June 2011, Slide 10
EXTERIOR WALL INSULATION OFFERS BENEFITS LIKE .
. . . creating comfort and wellbeing in your home
. . . saving energy (costs) for bothheating and cooling
Source: http://rohstoffe.onvista.de, Recknagel-Spengler
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Energy efficiency
June 2011, Slide 11
THE THERMAL INSULATION RENDER IS PART OFA THERMAL INSULATION MORTAR SYSTEM
Internal
plastering
Brick work
Thermalinsulation
mortar
ExternalRendering
Thermal insulation mortar:
Special renders/plasters for the thermal insulation of buildings
Have a high content of thermally insulating light-weightcomponents
Expanded Poly Styrene (EPS)
Mineral foam glass (e.g. based on perlite / recycled glass)
Have very low thermal conductivity and a thickness of 20 100mm
Thermal insulation mortars systems are:
Composed of aligned heat-insulating base renders and water-repellent top renders / top coats
Top coats also serve to protect the system from mechanicaldamage and weathering
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Energy efficiency
June 2011, Slide 12
THERMAL INSULATION SYSTEMS ARE ALSO USED FORCOMPLEX ARCHITECTURAL STRUCTURES
Exterior insulation for highly complex
architectural structures:
Highly structured facades
(curvatures, profiles)
Mixed brickwork
Preservation of valuable historicalarchitecture (e.g. timbered buildingswith infilling)
Timbered house with infilling
Building complex Les Grottes in Geneva, CH
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Energy efficiency
June 2011, Slide 13
CONTENTS
Welcome to WACKER
Need for Thermal Insulation Mortar
Characterization of Thermal Insulation Mortar
Thermal Insulation Mortar with VINNAPAS Powders
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Energy efficiency
June 2011, Slide 14
THE NEW DIN V 18550 IS THE MOST IMPORTANTSTANDARD FOR THERMAL INSULATION RENDERS
Renders and render systems
Sub-item 10: Thermal insulation renders
DIN 18550-3 (new)
DESCRIPTIONSTANDARD
Measurement of R (thermal conductivity)DIN 4108
Thermal insulation renders with mortars made from mineral
binders and expanded polystyrene (EPS) as an additiveDIN 18550-3 (old)
Definition of rendering / plastering mortars for masonry
PART 1: Renders / PlastersDIN EN 998-1
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Energy efficiency
June 2011, Slide 15
DIN V 18550 DEFINES BASIC REQUIREMENTS
General characteristics of a thermal insulation renders
Thermal conductivity: 0.2 W/(m.K)
Dry density: 600 kg / m3
At least B1 (of low flammability)
(definition as per DIN EN 13501-1)Fire Behavior
REQUIREMENTSCHARACTERISTICS
Water retardancy: 0.5 < w < 2.0 kg/(m2.h0.5)Water Uptake
Class T1: 0.12 W/(m.K)
Class T2: 0.24 W/(m.K)
Thermal Conductivity
0.40 N/mm2
(CS 1 as per DIN EN 998-1)Compressive Strength
Requirements for the thermal renders used as a basic render (base coat)
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Energy efficiency
June 2011, Slide 16
DIN V 18550 DEFINES BASIC REQUIREMENTS
7 days after applying the base coat
Coating condition
REQUIREMENTSCHARACTERISTICS
Water repellency
Sd 2 m
w 0.5 kg/(m2.h0.5)
Sd . w 0.2 kg/(m.h0.5)
Water Uptake
0.80 N/mm2 and 3.0 N/mm2Compressive Strength
Requirements for a mortar used as top coat:
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Energy efficiency
June 2011, Slide 17
THERMAL CONDUCTIVITY, THERMAL-TRANSFERRESISTANCE AND U-VALUE
Thermal conductivity: ; W/m.K
describe how much heat energy passes through one square meter of barrier when the
temperature differences between the 2 sides is 1C/ meter
Thermal-transfer resistance: Rx = dx / x ; m2.K/W
is calculated by dividing the thickness of the barrier by the thermal conductivity
various transfer-resistance values can be added: Rtotal = Rai + R1 + R2 ++ Rn + Rao
U-Value (Heat transfer): U = 1 / Rtotal ; W/ m2.K
is the heat transfer and describes the amount of energy lost per square meter for athermal barrier at a 1C temperature difference between inside and outside
The lower the U-Value, more energy can be saved!
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Energy efficiency
June 2011, Slide 18
VALUE COMPARISON OF VARIOUS MATERIALS
7
13
56
160
0 20 40 60 80 100 120 140 160
hermal insulation
Mortar (0.07)
AC blocks (0.13)
Full Clay Bricks
(0.56)
Concrete (1.6)
Material thickness needed to reach an R value of 1 mK/W
()
Source: FHG,WUFI: Material Data Base + own calculations
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Energy efficiency
June 2011, Slide 19
APPLICATIONREGULATION AND RECOMMENDATIONS
Application with machines or manual (5-6 cm/working
step)
Drying time for TIM: 1 day per 5 mm thickness, but at
least 7days
Drying time for patching mortar: 1 day per 1 mmthickness, but at least 6 days
If humidity is high or temperatures low: drying times
have to be extended
The substrate has to be dry, dust-free, free of loosematerial and its temperature should be above 5 C.
In certain cases primer or plaster base (>5cm) are
essential/recommended
Crack delicate area (edges, openings) can beprotected by a fiber mesh
Dark colors for the finish coat should be avoided (hightemperatures -> shear stress)
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Energy efficiency
June 2011, Slide 20
CONTENTS
Welcome to WACKER
Need for Thermal Insulation Mortar
Characterization of Thermal Insulation Mortar
Thermal Insulation Mortar with VINNAPAS Powders
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Energy efficiency
June 2011, Slide 21
STEPS FOR DEVELOPMENT AND TESTING FORTHERMAL INSULATION PLASTERS
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Energy efficiency
June 2011, Slide 22
OBSERVATION:STABILITY UNDER LOAD (WITH EPS BEADS)
Source: WACKER
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Energy efficiency
June 2011, Slide 23
OBSERVATION:STABILITY UNDER LOAD WITH PERLITE
Source: WACKER
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Energy efficiency
June 2011, Slide 24
PERFORMANCE TEST:THERMAL CONDUCTIVITY
Thermal Conductivity of Thermal Insulation Mortar
0
0.04
0.08
0.12
0.16
EPS (5 mm) EPS (2 -3 mm) Perlite
ThermalCo
nductivity
(W/m.K
)
Requirements: T1: < 0.12 W/m.K
Source: WACKER
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Energy efficiency
June 2011, Slide 25
Improved adhesion between the mineral
binder and the light-weight components
(EPS) Improved adhesion to the substrate
Improved adhesion to the top render
Improved heat-insulation properties byincreasing the percentage of air voids
Higher flexibility
Optimized tensile adhesive strength and
flexural strength
Improved workability
On-demand water repellency and thixotropy
ADDING VINNAPASTO THERMAL INSULATIONMORTARS OFFERS CONSIDERABLE ADVANTAGES
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Energy efficiency
June 2011, Slide 27
THANK YOU FOR ATTENTION
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CREATING TOMORROW'S SOLUTIONS
THANK YOU FOR YOUR ATTENTION !
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