© Pearson Education Limited, Copying permitted for the purchasing institution only. This material is not copyright free. Painting and Decorating NVQ and Technical Certificate Level 2, 2nd Edition Structural loading There are three main types of stress: Tension – pulls or stretches a material Compression – squeezes the material Shear – when one part of a component slides over another. Look around you. Can you see any components under stress?

© Pearson Education Limited, Copying permitted for the purchasing institution only. This material is not copyright free. Painting and Decorating NVQ and Technical Certificate Level 2, 2nd Edition All buildings have a substructure – all of the structure below ground, up to and including the damp proof course. What is the main part of a substructure? Substructure

© Pearson Education Limited, Copying permitted for the purchasing institution only. This material is not copyright free. Painting and Decorating NVQ and Technical Certificate Level 2, 2nd Edition Primary elements are the main supporting, enclosing and protecting elements of the superstructure. They divide space and provide floor-to-floor access. What primary elements can you name? Superstructure: primary elements

© Pearson Education Limited, Copying permitted for the purchasing institution only. This material is not copyright free. Painting and Decorating NVQ and Technical Certificate Level 2, 2nd Edition The secondary elements are not essential to the building’s strength or structure, but provide a particular function, such as completing openings in walls. What secondary elements can you name? Superstructure: secondary elements

© Pearson Education Limited, Copying permitted for the purchasing institution only. This material is not copyright free. Painting and Decorating NVQ and Technical Certificate Level 2, 2nd Edition Finishing elements Finishing elements are the final surfaces of a building, which can be functional or decorative. What finishing elements can you name?