Topfloor flooring slats from Bouwimpex are made of GGG40 cast-iron to be strong and corrosion-resistant, states the company. They can be used in pens for sows, piglets and grow-finish pigs. The combination of a 12.5mm gap with a triangular rod profile allows for properties of self-cleaning. Panels can be installed in self-supporting lengths of up to 180cm. Additional sizes are available at 400mm wide and in lengths of 1000-1500mm.