H+H International A/S engages in the manufacture and sale of autoclaved aerated concrete and calcium silicate units. The firm specializes in the manufacture and sale of autoclaved aerated concrete (aircrete). The Company’s aircrete has various applications, including panels and blocks for constructing interior and exterior walls, reinforced elements for floors, walls and roofs, reinforced lintels and blocks for interiors, as well as for foundations. Its customers are primarily contractors, residential and industrial developers, as well as builder’s merchants. The firm operates in a number of European countries, such as Denmark, Germany, the Netherlands, Sweden, the United Kingdom, Poland and Switzerland.