Poured concrete wall foundations are arguably stronger than cinder blocks. Poured walls have a better lateral strength, which means they are able to resist more pressure from the water and the soil from the outside. A poured wall doesn't have joints like a block wall so it is easier to waterproof.
Mortar acts as a bonding agent for brick, block and other building materials. Material, Characteristics, Uses. Mortar Mix A blend of Type N masonry cement and graded sand. Good adhesive properties and workability.
Gravel and sand. Dry compact gravel, or gravel and sand subsoils are usually adequate for strip foundations. Generally a depth of 700mm is acceptable, as long as the ground has adequate bearing capacity.
Steel rebar is an essential component for concrete foundations or structures. Whereas concrete has great compressive strength, the rebar has great tensile strength. Together they are structurally sound even if the concrete cracks.