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#7/8 (Re)construction from a Biobased Base

#7/8 (Re)construction from a Biobased Base

10 February 2026

Lightweight: very suitable for 'Optops':
Frames of cardboard instead of steel?!

Circq shows in the Netherlands that strong frames can be made of cardboard. The frame profiles come from Soriwa, Germany and have been fully tested there for acoustics and fire resistance, for example.. The cardboard profiles are made with recycled cellulose and even have a negative CO₂ impact. The product likes to combine David van Duffelen from Circq with reused plaster into a very sustainable, competitive combination.

cardboard_ profiles_wall_Circq_
Inner wall with Carton Profiles from Circq

Extreme tendril Oak frame system, finger-loaded and veneered

On SuperBios you will also find the own wall system WoodFrame Slim Oak from Intermontage from Terwolde (Deventer), made from European oak to a glass wall system with an extremely slender profile of 60 mm. The application of recycle glass is being examined.

Intermontage, founded in 1977, has more than 100 employees and is continuously looking for further sustainability in system walls, but also in the further implementation of the entire interior projects it carries out. Many production work is carried out in-house. An IM Academy was established for it. Within the Academy there is collaboration with Windesheim University of Applied Sciences and inspiring consultations take place with Impact thinkers from the region and a party such as SuperBios.

The oak wall system from InterMontage.

Bio cork finish, for indoor and outdoor application

A new finishing variant of cork is available. A 100% biobased renewable version by Charles van Reij, from Biocork coating from Epse (Deventer). Remarkably easy to apply. Charles is a former employee of Cradle-to-Cradle and knows many details of sustainable development. The low CO2 impact of cork is known; even negative when harvesting. A facade of wood, loam, lime, flax, hemp, wood fiber or mycelium based can be well combined with the biocork coating. In principle, the coating does not require maintenance. The thermal and acoustic improvement can also be a reason to choose a cork application or bridge cracks, etc.

A cork coating made of Biocork coating is suitable for indoor and outdoor application

IF IT CANNOT BE BIOBASED, THEN - biobased - RENEWED CIRCULAR

CIRCQ works according to a proven structure; the building materials and products that David van Duffelen purchases from harvest partners, are renewed under his supervision and through wholesalers and contractors Dura Vermeer applied again in projects.

The products all have a full LCA and a registration in the National Environmental Database Foundation. The emission savings compared to newly produced panels are between 70 and 90% CO2! There are #Plafondpanelen #Gipsplaten #isolatiepanelen and #Akoestische #binnenwanden and #panelen available.

A very sustainable solution, because no waste, small transports, no new production CO2 emissions. And not more expensive, but more sustainable, according to David van Duffelen.

Renewable products - also called re-use or refurbish - offer opportunities for using biobased materials:

For example, recovery and upgrading might include

. Corn based felt (ipv.. PET felt) from The Silent Resistance
. an -acoustic and load-bridging - cork finish, from BioCorkCoating
. Wool felt for acoustic improvement and beautification of it Dutch Wool Collective
. or Re-use textiles, in the case of wall slats constructions of i-did
. Greenpaints BV. paint or clay-based wall tile finishes from BC materials
. crush on nature paper wallpaper and meter-high plant artwork on (recycle) glass

Well-designed renewable products will be able to visibly strengthen the attention and attractiveness of this segment of very important products towards a fully circular (re)construction and design.

(Product) tips? Email the editors.
Biobased Products can be placed online within 24 hours (free of charge):
https://superbios.nl/product-maker-registratie/

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