Products under the Porotherm brand are marketed by Wienerberger, the most important manufacturer of building materials in the Czech Republic. The basis of the Wienerberger offer is the Porotherm walling system and in it mainly thermal insulation bricks of the Porotherm T Profi series and acoustic masonry Porotherm AKU Profi. The Porotherm modular system also includes lintels and ceilings.