building physics key figures of
construction materials
side 1
data sheet 26
density
heat
conductance
value
vapour coefficient of
resistance
specific heat
capacity
[kg/m³]
[W/mK]
[-]
c[Wh/kgK]
sold brick
1500-1700
0.6 - 0.8
10
0.26
hollow block brick
800-1400
0.3 - 0.5
7
0.26
porous hollow block brick
800
0.2 – 0.25
5
0.26
clinker brick
1800
1.0
100
0.25
700-1000
0.3
5
0.26
750
0.25
5 – 10
0.31
800-1400
0.4 – 0.7
10
0.31
labelling
Building blocks
partition wall brick
expanded clay blocks
hollow concrete
block
formwork blocks
(slag. pumice slag.
brick chippings. stone
rubbles)
wood concrete
500
0.15
10
0.56
lightweight concrete
700-1000
0.3 – 0.5
15
0.31
polystyrene concrete
600
0.2
15
0.31
400
0.13
5
0.31
800
0.17
5
0.31
crystalline stone block (granite, basalt, marble)
2800
3.5
100
0.26
sediment stone (sandstone, lime)
2600
1.7 – 2.3
100
0.22
solid clay
1700
0.9 – 1.0
10
0.26
cement-lime-grout
1800
1.0
20
0.31
gypsum grout
1400
0.7
10
0.25
450
0.18
5
0.26
900
0.35
5
0.26
cement plaster
2100
1.4
30
0.31
cement-lime plaster
1800
0.9
25
0.31
lime plaster
1600
0.8
15
0.26
gypsum-, gypsum-lime plaster
1500
0.7
10
0.25
gypsum plaster on reed matting
1000
0.5
5
0.22
insulating plaster (perlite, polystyrene)
200
0.09
5
0.26
500
0.13
5
0.26
1200
0.7
150
0.31
textile
300
0.07
5
0.65
paper
600
0.08
5
0.65
plastic on fabric
350
0.08
150
0.35
aerated concrete block
Grout
lightweight grout
with polystyrene or
perlite
with expanded clay.
slag
Plaster and Wall Paper
thin plastic plaster
wall papers
building physics key figures of
construction materials
side 2
data sheet 26
density
heat
conductance
value
vapour coefficient of
resistance
specific heat
capacity
[kg/m³]
[W/mK]
[-]
c[Wh/kgK]
ferroconcrete
2400
2,3
100
0,31
poured a. tamped conc.
2200
1,5
50
0,31
spreed concrete
2000
1,4
50
0,31
crushed brick concrete
1400 - 1800
0.3 – 1.0
10
0,31
pumice concrete
1400 – 2000
0.5 – 0.8
10
0,31
expanded clay concrete
500 – 1700
0.15 – 0.8
10
0,31
polystyrene concrete
600 – 1200
0.2 – 0.55
10
0,31
1700
1,8
2
0,22
1800
1800
1650
300 – 800
0,5
0,7 -0,9
1,4
0.2 -0.35
1
5
0,25
0,25
crushed brick
1700
0.45
5
0,25
expanded clay
400
0.12
5
0,25
pumice, pumice gravel
700
0.15
5
0,25
expanded perlite
100
0.05
3
0,25
expanded mica
100
0.07
3
0,25
40 – 100
0.04
3
0,5
200
0.1
1
0,65
spruce, fir, pine
500
0.15
50
0,65
oak, beech
750
0.20
50
0,65
900
0.21
50
0,24
0.2
10
0,29
0.4 – 0.6
10
0,22
soft
900
1000 –
1200
200 – 400
0,06
5
0,65
medium density
600 - 700
0,09
20
0,65
gypsum card board
800
0.17
70
0,65
gypsum card board
600
0.45
100
0,65
labelling
Concrete
concrete
gravel:
Fillings
earth
moist
dry
airdry
sand/gravel
moist (20%)
slag (boiler, blast furnace)
expanded cork scrap
sawdust, shavings
Wood
Building boards
asbestos cement panels
gypsum card board
gypsum wall board
fibreboard
building physics key figures of construction
materials
labelling
side 3
data sheet 26
density
heat
conductance
value
vapour coefficient of
resistance
specific heat
capacity
[kg/m³]
[W/mK]
[-]
c[Wh/kgK]
insulating material
coco mat
N
50 – 200
0.05
10
0,26
hemp fibre mat, straw mat
N
50 – 200
0.05
7
0,26
corkboard
N
100 – 200
0.045
5
0,26
reedboard
N
200 – 300
0.06
100
0,25
cellulose
N
50
0.05
5
0,26
wood-wool buildingboard
SFi
400
0.1
5 – 10
0,31
insulation felt
SFi
ca. 15
0,044
10
0,56
insulation board
SFi
ca. 30
0,04
15
0,31
mineral wool:
> 50
0,35
15
0,31
cinder wool, slag wool
SFi
< 200
0.06
5
0,31
foam glass
SFo
150
0.045
100
0,26
polystyrene - rigid foam (EPS)
SFo
15 – 30
0.04
100
0,22
polystyrene – extruded (XPS)
SFo
35
0.035
10
0,26
Polyurethane (PU)
SFo
30 – 80
0.03
polyethylene (PE)
SFo
30 – 50
0.05
20
0,31
urea-formaldehyde (UF)
SFo
6 – 50
0.045
10
0.25
phenol - formaldehyde (UF)
SFo
30 – 100
0.045
5
0.26
polyvinyl chloride (PVC)
SFo
50 – 100
0.045
5
0.26
synthetic foam
SFo
160 – 190
0.008
∞
-
microfibre
SFi
160 – 190
0.003
∞
-
pyrogenic silica
-
160 – 190
0.004
∞
-
perlite
-
160 – 190
0.006
∞
-
2100
1.4
30
0.31
1900-2200
0.9
25
0.31
new wool
300
0.8
15
0.26
needle-felt
300
0.7
10
0.25
textile on foam basis
800
0.5
5
0.22
linoleum
1000
0.09
5
0.26
cork-linoleum
700
0.13
5
0.26
PVC on foam basis
650
0.7
150
0.31
PVC
1400
0.07
5
0.65
vacuum board
floor coverings
melted asphalt
floor tile
N
SFi
SFo
material close to nature. natural
synthetic material. fibred
synthetic material. foam
building physics key figures of
construction materials
side 4
data sheet 26
density
heat
conductance
value
vapour coefficient of
resistance
specific heat
capacity
[kg/m³]
[W/mK]
[-]
c[Wh/kgK]
steel
7800
60
∞
0.14
copper
8900
380
∞
0.11
aluminium
2800
200
∞
0.25
glass
2500
0.8
10.000
0.22
plastic plate
1500
0.2
5.000
0.3
roofing paper
1200
0.2
2.500
0.42
PE - sealing sheeting
1100
0.25
100.000
0.22
PP-felt with PE-film
950
0.35
100.000
0.53
air
1.23
0.025
1
0.28
argon
1.7
0.017
1
0.14
SF6
6.36
0.013
1
0.17
labelling
Single building materials
window fillings at
(10°C)
Other materials