

- Apr 7
First fully circular and reversible table
First fully circular and reversible table initiated by Green Transformable Building Lab (GTB Lab) has been finalised yesterday. It is...


- Mar 3, 2022
Reversible energy producing glass
The GTB Lab module applied for the first time triple glass solar facade elements (Pilkington Netherland) by inserting two additional...


- Feb 22, 2022
Modular translucent facade elements
Rodeca installed its polycarbonate panels on the GTB Lab. First, the main roof, then the core and finally the circular GTB Module. The...


- Jan 13, 2022
Assembly of wooden roof structure
The laminated wood roof structure is assembled and connected to the steel core and log columns.


- Jan 10, 2022
Wooden columns
Today, the tree trunks were mounted on the deck of GTB Lab in a few hours using steel connectors. The Dutch National Forest and Nature...


- Dec 13, 2021
Placing reversible GTB Lab module
The circular GTB Lab module has been dissassembled in factory and is being reassembled on site today, and protected against weather.


- Nov 19, 2021
GTB Lab reaches highest point
The steel structure is being placed on the concrete foundation beams as an important part of the core of the building.


- Oct 26, 2021
Before tree trunks become columns
Tree trunks from Staatsbosbeheer (Dutch Forest and Nature Reserve) are being inspected. A pictorial report.


- Oct 23, 2021
GTB Lab scanned in its first construction phase
The 3D scan of the current situation provides point-cloud files and 360° panoramas for a detailed monitoring of the innovative project.


- Feb 27, 2019
Circular GTB Lab Module
The first GTB Lab reversible steel module has been produced at the ODS work-place in Ridderkerk NL this week.

- Feb 13, 2019
Peeling of to be wooden columns
The bark has been removed from the trees that will carry the roof. The remaining difficult parts are manually done with an old-fashioned so-


- Dec 3, 2018
No nails, no screws, no glue
Mock-up of reversible GTB Lab module assembled at ODS in Barendrecht, Netherlands.


- Jul 3, 2018
Arrival of wooden 'columns'
The wooden columns that will carry the roof will be made of these 12 meters long Douglas pines.


- Jan 23, 2018
Reversible connection for ODS Jansen profile
The universal junction for circular building, developed by GTB Lab and it's partners, will be implemented and tested in GTB Lab in 2018.