Patch 22

Amsterdam, NL

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Living ecologically in Amsterdam

Patch 22 is a flagship building in terms of sustainable energy supply and the choice of innovative and ecological building materials. Thanks to the use of MM crosslam cross-laminated timber from Mayr-Melnhof Holz and pre-fabricated concrete elements, relevant factors such as fire and sound protection as well as wind loads and the requirements of a zero energy building could be taken into account in full.

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Start of planning
Start of construction
Building owner
Tom Frantzen
Tom Frantzen
Timber construction company
Korlam Nederland Building
Material supplier
Mayr-Melnhof Holz Gaishorn

200 m³ of MM crosslam cross-laminated timber

An industrial area in the north of Amsterdam (NL) was facing profound changes: For several years, more and more fashionable bars, innovative restaurants and hip stores had sprung up and people had started to move there. Patch 22 reflects this revolution in the form of an extraordinary six-storey building. The residential floors consist of a mullion and transom structure in 50/50 glued wood – a Mayr-Melnhof Holz product – while the footings and supply core are made from pre-fabricated concrete elements.

The Patch 22 complex is called a zero energy building. This means that energy generation and consumption are at an equilibrium. Moreover, the three factors of fire protection, sound protection and wind loads were also taken into account, allowing for an ideal solution when it came to selecting the right building materials. By the way: The block of flats is regarded the tallest residential building in the Netherlands.

WAN 2016 residential award
Green Award

Patch 22: sechs Geschosse aus Holz in Amsterdam - Bauhandwerk (

Photo credits: Luuk Kramer

Find your personal contact at Mayr-Melnhof Holz