Wienerberger Ltd. is a subsidiary of Wienerberger AG – an Austrian concern with nearly 200 years' history, a manufacturer of clay blocks for masonry under the brand name Porotherm.
The company specializes in roof systems - concrete roof tiles and accessories for all kinds of roofs. Valleys, hips, hooks, ridge vents, roofing felt, skylights, rainwater goods, solar collectors.
The company is specialized in building roofs from high quality materials like roof slates from natural stone, zink and copper sheer iron with long guarantee.