How many cubic meters of sand do you need to plaster 112 square meters of external walls?

The amount of sand required for plastering depends on the thickness of the plaster. Generally, a thickness of about 1 cm is common for external walls. Assuming a 1 cm thickness, you would need approximately 1.12 cubic meters of sand (calculated as 112 square meters × 0.01 meters). It's advisable to consult specific project requirements or guidelines for more accurate calculations.