VELUX GGL Wood Casement Roof Window


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Description
Advantages
Disadvantages
Application barriers
Information sources
Image
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Parameter Minimal Value Maximal Value Unit
Dimensions

W/H = 550/698(942/550)

W/H =942/1600(1340/1398)

mm

Thickness

mm

Infiltration Rate

4

10

m³/hm²

Sound Insulation

32

37

dBA

Thermal Conductivity

N/A (multilayer)

N/A (multilayer)

W/mK

Specific Heat Capacity

N/A (multilayer)

N/A (multilayer)

J/kgK

Associated Wall

Pitched Roof/Slopped Wall

Pitched Roof/Slopped Wall

Investment Cost

1.400

1600

€/m²

Operational Cost

0

0

€/m²year

Replacement Cost

2000

3000

€/m²year

Life Expectancy

30

30

years

Number of Glazing

2

3

U-Value

0,7

1

W/m²K

Annual Degradation Rate on U-Value

1

2

%

g-Value (depending on used glass)

30

50

%

Solar Heat Gain Coefficient

N/A

N/A

%

Visual Light Transmittance (depending on used glass)

61

72

%

Material

Laminated pine wood triple varnish coated

Area Frame/Window

16

35

%

U-Value

0,7

1

W/m²K

Annual Degradation Rate on U-Value

1

2

%

Solar Absorbance
Deterioration Description
Causes

sunlight, variations in temperature, chemical processes, mechanical stress

Parameter

U-value, visual light transmittance, g-factor, natural ventilation rate

Degradation Rate

0-1

Measurement

lab testing, onsite testing


The Design4Energy project aims to address evolutionary life-cycle evolutionary design methodology able to create energy-efficient buildings

flexibly connected with the neighbourhood energy system.

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