Civil Engineering Reference
In-Depth Information
Table 14.11:
Environmental profiles of vapour barriers
Pollution effects
Ecological potential
Water vapour
Quantity of
Environ-
Effects on resources
penetration
material used
Extraction and Building
In the
As
Re-use and Local
mental
Material
(mg/m
2
h Pa)
(kg/m
2
)
Materials
Energy
Water production
site
building
waste
recycling
production
profile
Plasterboard
(1)
, 12 mm
10.5-14.2
12
3
3
2
3
1
1
2
3
Polyethylene
sheeting, 0.15 mm
0.01
0.14
3
2
2
1
2
2
2
Polyisobutylene
sheeting, 0.5 mm
0.004
0.5
3
3
1
2
2
3
PVC-sheeting,
1.0 mm
0.07
1.3
3
3
3
2
3
3
3
Hardboard
(1)
,
3 mm
1.8
3.1
2
3
3
2
1
1
1
2
✓
Cellulose building
paper
(1)
, 0.5 mm
21.0
0.5
1
1
1
1
1
1
1
1
Cellulose building
paper with
aluminium lining,
0.5 mm
0.005
0.5
3
3
2
3
1
2
3
3
Note:
(1) Can only be used with insulation material that has good damp regulating properties.
