To transport distances
The raw materials come as much as possible from sustainable economy thus ensuring a sustainable production and supply chain.
Beside the uncompromising sustainability, it is one of our most important principles to never employ construction-biologically risky building materials. The building materials used in a LOPAS house and other materials are as much as possible free from toxic substances like, for example, formaldehyde, solvents or tenderizers.
Raw materials for the construction of LOPAS houses are absolutely natural and could – security reasons provided – be left for any child to play with.