Rising from the ashes


This proposal explores the possibility of improving the current building methodology in LVL (Laminated Timber Lumber). According to the brief, I picked an existing building as a reference. I chose the pre-fabricated concrete typology, which became popular during the post-war reconstruction but declined fairly quickly after that. I have researched the various pre-fab building systems - what went wrong and why - and I have developed a proposal for reintroducing this system using LVL as the main component. Borrowing from the Japanese tradition of assembling building by designing interlocking elements, I have elaborated a system which requires an accurate manufacturing process, but it gives back a very fast assemblage process, require very little work on-site and minimise the use of concrete and steel for a more sustainable building industry. External cladding can be added to vary the look of the final product.

Key benefit

Faster, safer and greener.

Material list

External panel material list (interior to exterior):
Decoration – Paint finish
Inner Structural Skin - Metsa LVL
Thermal insulation – Plastic or Wood fibre
Cavity Void - Air
Thermal insulation – Plastic or Wood fibre
Cavity closer – Wood
Sealing rod - Rubber
Fire barrier - Mild steel
Outer Structural Skin - Metsa LVL
Cladding framing – Softwood
Cladding - Timber weatherboarding

Overall building materiality (services not included):
Laminated Timber Lumber

Ecological values

The following building system should be adopted not only for its capacity of fast assemblage but also and foremost for its ecological values. Please see the calculations attached in the main design package, the original pre-fab concrete system produces 1,295 KgCO2 per panel. Instead, the proposed design, sequestres 960,844 KgCO2 per panel. These LVL (Laminated Timber Lumber) panels cover the functions required for external partitions, internal structural partitions and core. But not the all building can be made out of LVL. The basement and ground plate has to be in concrete. Each panel is composed of two LVL layers joined by a third LVL element. For the external partitions, insulation is placed in between, for the internal one the 200mm gap between the layers can work as a services riser. Mild steel fire-barrier and rubber sealing rod are designed for all panels. The panels are secured together by a bi-directional array of LVL beams, which also forms the floor level, and they are held in place by a CLT (Cross Laminated Timber) beam. The floor beams have embedded flitch plate ends because they are vulnerable to failure by shearing off and they are screwed together with two lots of opposing threads at each end of the shaft that pull parts together increasing the shear strength. Steel brackets are required for a sturdy corner detail.



  • Economical span (mm)
  • Thickness (mm)
  • Airbourne sound reduction factor (dB)
  • Impact sound transmission (dB)
  • Resistance to fire class
  • Thermal properties 8.33 R 0.12 U



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