
What is a Raft Slab, and how does it work?
A raft slab, a reinforced concrete slab placed on top of the ground and strengthened by integral concrete beams in each direction, is used to support new homes or extensions. What is the thickness of a Raft Slab? The slab portion of a slab footing or slab is usually 100mm (4 inches) thick. Sometimes, the…