Kind of insulation: Facade
insulation with vacuum insulation panels |
Construction: Sto AG, Stühlingen |
Contact: Sto AG, Markus Zwerger,
|
VIP product: Sto AG / Porextherm
Dämmstoffe GmbH |
Location: Bersenbrück,
Germany |
Date of realization: 2002/2003
|
| Funding: --- |
Description of the construction:
1st layer: VIPs in polystyrene
2nd layer: conventional insulation
The passive house in Bersenbrück was completely insulated
with vacuum insulation panels set in polystyrene. The VIPs are
20 mm thick and encased by 20 mm thick WLG 035
polystyrene on each side. A second, 80 mm thick, layer
of insulation was also mounted to minimize any joint porosity
or thermal bridge effects. The target specification of 0.15 W/(m²K)
was therefore achieved with a theoretical average U-value of
0.147 W/(m²K). Thermographic images taken of the building
before and after the second layer of insulation was mounted
clearly show that the initial thermal bridges in the joint areas
can be reduced.
|
Figure 1: View of the house
from the south-west; several polystyrene-encased VIPs are already
mounted. |
Figure 2: Cross-section of
the facade insulation. The given U-values correspond to (top to
bottom): the centre of the panels, the joints and the average
for the total area. |
Figure 3: Thermographic image
taken after the second layer of insulation was mounted. |
