Sandvika, Norway

Powerhouse Kjorbo is the first renovated office building in the world that produces more energy than it consumes. It contains two office blocks from the 80’ties, which were transformed into contemporary and modern office premises. With the use of of solar panels, Powerhouse Kjørbo produces more than 200,000 kWh annually.

Project Requirements

The interdisciplinary design process has from the very beginning created new and innovative solutions. For the design phase, the project achieved BREEAM-NOR certification Outstanding.

Sika Solutions

High focus on environment based on BREEAM-NOR, passive house standard NS 3701 and a goal to become a Powerhouse plus house when it comes to energy, Powerhouse Kjørbo has achieved the most prestigious certificate for an environmental classification with BREEAM-NOR Outstanding. The result has been the world’s most environmental friendly office building. The process has been challenging for all involved parties.

The demanding requirements of BREEAM-NOR was to select the best products and solutions as driving forces. For the structural glazing Hubro AS, with Norsk Hydro as aluminum supplier chose Sikasil® SG-500 for the task. For extensive sealing of joints, Sikaflex®-15 LM was the preferred sealant solution. Insulation was accomplished with Sika Boom®.Grouting was fulfilled with SikaGrout®.

Sika Products

Sikasil® SG-500
Sikaflex®-15 LM
Sika Boom®

Project Participants

Building Owner
Entra Eiendom AS

Snøhetta as

Asplan Viak, Skanska Teknikk, Itech

Skanska Norge AS
BREEAM-NOR AP: Skanska Teknikk
BREEAM-NOR assessor: Multiconsult

Research and development-Partner
The Research Centre on Zero Emission Buildings (ZEB)