News 2013 Tues Wienerberger: Porotherm BIO PLAN 42,5 T – 0,09 The excellence of Made in Italy for nearly Zero Energy Buildings in the new born in the family of Wienerberger Porotherm BIO PLAN was created to offer delivering excellent monolayer, ideal for the construction of buildings to nearly zero energy (NZEB), that stand out for their high performance