Download - External doors and windows
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Budapest University of Technology and Economics
Faculty of Architecture Engineering
Department of Building Constructions
Gergely Dobszay Ph.D
Zsuzsanna Fülöp Ph.D
www.epszerk.bme.hu
2016.
External doors and windows
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Windows, glazed surfaces are determinative elements of facades
External wall quality specified by products and their relations
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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• stability, mechanical strength
• fire protection
• noise and vibration protection
• safety and barrier free solutions
• life and wealth protection
• energy saving and heat protection
• health and environment protection
• sustainable consumption of natural resources
Hungarian Regulation: OTÉK 253/1997. (XII.20.) recast 211/2012. (VII.30.)
50 § (3)
COMPLEXITY OF BUILDING REQUIREMENTS
Each requirements must be fulfilled together at the same time.
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
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Thermal insulated solid wall, thickness: 40-50 cm Window: thickness: 6-8 cm
Basic functional requirements are the same for solid walls and windows,
But their thickness is different(plus lighting and opening function…)
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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20/2014 BM regulation :u= 1,15 W/m2K*
3 layers glazing, …
Lighting – filtration – thermal insulation – sound insulation
7/2006 TNM regulation:u= 1,6 W/m2K *
4-16-4 (low-e), ug=1,1
* Glazing and frame
TRANSPARENT UP TO DATE CONSTRUCTIONS
BME Department of Building Constructions 2016. Reisch Richard
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2 layers thermal
insulating glazing
low-e covering on
internal side
ug = 0,9 W/m2K
Glazing – better thermal insulation quality:
saint-gobain-glass.com
BME Department of Building Constructions 2016. Reisch Richard
TRANSPARENT UP TO DATE CONSTRUCTIONS
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4 mm glass
20 mm spacer
1.6 mm glass
20 mm spacer
1.6 mm glass
20 mm spacer
4 mm glass
ug = 0,3 W/m2K
Heavy, 4 layers glazing:
Glazing – better thermal insulation quality –more layers:
BME Department of Building Constructions 2016. Reisch Richard
TRANSPARENT UP TO DATE CONSTRUCTIONS
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ug = 0,4 W/m2K
3 layers glazing with internal specific transparent layer
Glazing – better thermal insulation quality – new materials:
BME Department of Building Constructions 2016. Reisch Richard
TRANSPARENT UP TO DATE CONSTRUCTIONS
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• Ag .U : Glazing
• Frame
• Cold bridge in between glazing and frame
Calculation method of window heat transmission coefficient Uw (k) (W/m²K)
Complexity of evaluation and installation
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
?
TRANSPARENT UP TO DATE CONSTRUCTIONS
Lighting – filtration – thermal insulation – sound insulation
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Light is a key
component of the
built environment.
It is a key factor in
dictating the
appearance and
functionality of a
building and its
surrounding
landscape.
HEAT GAIN – energy consumption, shading
TRANSPARENT CONSTRUCTIONS
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
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Determined by
shape, orientation, surroundings,
situation, function
LIGHT AND HEAT GAIN
TRANSPARENT CONSTRUCTIONS
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
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Wind patterns around a
building - related problems:
wind pressure, natural
ventilation, air infiltration,
driving rain, smoke distribution,
energy consumption of building,
street comfort, air change, air
pollution in urban spaces.
FILTRATION – fresh air –energy consumption -condensation
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
WINDOWS AND DOORS INSTALLATION
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WINDOWS AND DOORS INSTALLATION
GAPS IN BETWEEN
Wall and window frame
Window frame and sash
PROBLEMS
Condensation
Thermal insulation
Sound insulation
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
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WINDOWS AND DOORS INSTALLATION
Continuity of thermal insulation
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Problem of water protection
WINDOWS AND DOORS INSTALLATION
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
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IMPACTS DEPEND ON SHAPE
SAME CLIMATE – SAME EFFECT
DIFFERENT WATER IMPACT
WET EXPOSURE
rain
Taubman College at the University of Michigan
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D
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Structural problems due to non appropriate or
too complicated connection of elements
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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Traditional window application – double block frame
soffit
ADVANTAGES…….
DISADVANTAGES………
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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19
Timber window frame
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
1. Window frame
2. Fixation
3. Plaster
4. Thermal insulation
5. Water sealing
6. Cover batten
7. Vapor sealing
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PLAIN COORDINATION – position of window frame
„negative soffit”
„thicker wall cladding -
wider window sill”
continuity of insulation
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
Vapor sealing
Water sealing
Edge profile
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sealing system:
Soffit by facade thermal insulation
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
PVC window frame
1. Water sealing
2. Fixation
3. Vapor sealing
4. Plastering
5. Thermal insulation
6. Facade insulation
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Complex evaluation
Continuity of insulation
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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GLAZED CONSTRUCTION ON THE EXTERNAL SIDE OF FACADE
„ functional interactions” - vapour and water tightness etc.
Multilayer-single skin wall (ETICS) Double skin wall
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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Window on external surface- ETICS multilayer single skin wall
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
Steel dummy frame
Vapor sealing
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XI./B.
Partial steel dummy frame fixed on the r.c. wall
Positioning at window frame
Continuous steel dummy frame fixed on the window frame
Positioning by oval mortises+ wedging
Importance of DUMMY FRAME
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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Glazed construction in double skin ventilated external wall
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
Water protection membrane
Steel dummy frame
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Tightness on external and on internal surface, continuity of thermal insulation
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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Satisfaction of whole complexity of requirements by SYSTEM
methodology
Design tasks:
Fastening – parallel (dead loads) and
– perpendicular to surface (wind, operation loads)
• Positioning (dimension tolerance, fastening)
• Thermal insulation continuity
• Vapour and air tightness on internal surface
• Sound insulation (dummy frame position, sealing)
• Precipitation keeping out – wind driven rain on external surface
– condensation water
• Internal edging, breastwork
• External edging, window sill
• Accessories (operation, hardware, hinge, shading
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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1. Complex integration of external glazed structures by architect
2. Evaluation by performance based, system methodology
BME Department of Building Constructions 2016. Gergely Dobszay Ph.D
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THANK YOU FOR YOUR ATTENTION!
BME Department of Building Constructions 2016. Zsuzsanna Fülöp Ph.D