The Eco Ark built by MINIWIZ in Taiwan is a building of which the façade and walls are filled with non-load bearing PET bottles. The Eco Ark is a very large building intended originally for the 2010 Taipei International Flora Expo (its length is 130 meters and width 40 meters, the height is 85 metres). Because of the size, public function, and safety requirements filling the façade and walls of such a building with regular PET bottles is hardly possible because it cannot be proven that these requirements will be met. Instead, in the Eco Ark specially developed PET bottles by MiniWIZ Sustainable Energy Development were used – the so-called POLLI-brick. The POLLI-brick is a PET bottle with a highly specific new interlocking shape. It is produced from recycled PET bottles – these are washed, cut, and re-melted into granules that form the base material for the POLLI brick. To create all the required POLLI bricks for the Eco Ark, in total 1.8 million PET bottles were recycled.
The building is designed by Arthur Huang, a graduate of Taiwan and Harvard. The building is supposed to withstand fire and the prevailing strong winds. It is also supposed to cost a third of the regular cost and weigh half of usual construction weight. To add additional stability to the wall fill-in, The POLLI bricks need to be glued with a small amount of silicon between the bottles.