Concrete, Cement, and Masonry Silver V3.1 Clay Brick “Porotherm” – Manufactured in Belgium Wienerberger nv/sa The Porotherm range of clay blocks includes blocks in a variety of standard dimensions, as well...more info » Concrete, Cement, and Masonry Silver V3.1 ClickBrick® Daas Baksteen Zeddam BV The ClickBrick® range are extruded bricks that are custom milled and grooved to size after being...more info » Building Exteriors Silver V3.1 Holonite Zilver Holonite B.V. Holonite is a cast composite stone product for the building industry. Holonite provides...more info » Building Exteriors Bronze V3.1 Holonite Holonite B.V. Holonite is a cast composite stone product for the building industry. Holonite provides...more info »