Construction Diplomas are nationally recognised craft qualifications and are accepted in industry. Craft qualifications are in units, which can be studied in any sequence. These qualifications are required for the Construction Skills Certification Scheme (CSCS) Topics covered include Information communications and quantities Knowledge of building methods and construction technology Prepare background surfaces and plaster materials Apply plaster materials to external and internal surfaces Drylining and plasterboard products Sand and cement screeds Produce fibrous plaster components Health and Safety.