Technology

New technologies for basements made of timber

Together with the Bern University of Applied Sciences and other research partners, the technical solutions for basements in timber are being further developed.

Process

If kept dry, wood lasts forever

Moisture protection is the most important principle in structural wood preservation. Kept dry, wood lasts forever. For the basements in timber construction, we have adopted and adjusted construction details from flat roofs.

1. Dämmung auf ausnivellierter Splittschicht
1. insulation on levelled grit layer
2. Vorkonfektionierte EPDM-Abdichtung
2. customized EPDM sealing
3. Feuchtemonitoring und Brettsperrholz
3. moisture monitoring and CLT
4. Bauzeitabdichtung über Brettsperrholz
4. construction time sealing
5. Decke aus Brettsperrholz
5. slab made of CLT
6. Überirdischer Holzbau
6. above-ground timber construction

Research project at the Bern University of Applied Sciences

Concrete basements are standard today - but this is set to change in the future. Because basements made of timber are more environmentally friendly and can also be installed in a significantly shorter time. The Bern University of Applied Sciences is researching construction solutions and monitoring systems to ensure that timber basements can become a standard in the future.

Here You can find out more about the research project.

FAQ

The most important questions

Do you have further questions? Get in touch with us.

  • What are the requirements for a basement made of timber?

    We want to gradually develop from simple to more demanding tasks. For the time being, we will only realize basements in timber construction if the following requirements are met:

    • The basement is in contact with the ground on a maximum of three sides. (In exceptional cases, ground contact on four sides with seepage-capable soil material and no risk of flooding on request).
    • No pressing water in the excavation pit.
    • Heated basements must be equipped with a ventilation system with integrated enthalpy exchanger (moisture exchanger). In the case of unheated basements, a constant exchange of air must be ensured
    • Backfilling must be carried out with water-permeable material and sufficiently dimensioned drainage.
    • A canopy of at least 1.0 m is required for windows on south and west facades (not applicable for light wells).
    • The Timbase manufacturer's instructions must be observed for floor, exterior wall and ceiling structures.

  • What are the services of Timbase?

    • Timbase provides the planning, manufacture, delivery, installation and guarantee of timber basements as a total contractor.
    • Each floor in contact with the ground is constructed entirely from cross-laminated timber by Timbase AG.
    • Timbase AG is constructing all structural components and all layers in contact with the ground, such as insulation, waterproofing and moisture monitoring.
    • Moisture monitoring is generally installed and monitored by Timbase.

  • How much does a basement in timber construction cost compared to a conventional basement?

    Basement floors in timber construction and conventional concrete basements are comparable in terms of price. The decisive factor for the final price is the construction stage of the basement. If the basement is not only used as a storage room, but also as living and or office space, concreted basements require additional interior finishing. additional interior finishing is necessary. For a basement in timber construction the walls, floor and ceilings are made of cross-laminated timber panels. These have a finished surface and immediately create a pleasant indoor climate. An additional interior finishing is not necessary. This makes This makes timber basements more economical than concrete basements. basements.

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