Your company is engaged in the promotion of building materials and everything that is somehow connected with the construction and repair? Well, excellent, since the modern market is ready to offer you various options at different prices from which you can always choose the most profitable for yourself. As practice shows, today the void floor slab is one of the most popular building materials in the market. What is the plate of the ceiling empty and what functions it performs? Emind the floor slabs are reinforced concrete slabs that have a rectangular shape, and there are tubular voids inside these plates.