Wood - ecological material Our houses are made from timber acquired in the north-east of Poland. This area covered mainly with rainforest complexes is also called the lungs of Europe. The timber from there is of high quality and durability. The houses are made from single profiled wood logs of various widths: (35mm, 60mm, 75mm, 100mm, 125mm and 150mm). They are linked through tongue and groove cuts.[...]