Piotr is a co owner of a Fermatech Ltd farm in north-east Poland. From 2014 he grows and process hemp straw. Fermatech is a main supplier of shives (Podlaskie Konopie brand) for hempcrete technology in building industry rapidly growing in Poland. In his job he is focused on developing harvesting and decortication machines. In 2016 he started building hemp show house situated in the middle of hemp field. Piotr is also a vice president of Polish Natural Building Association (OSBN). Piotr will tell us about his growing/decorticating hemp experience and will show the most interesting hempcrete projects in Poland.