Abstract: Set of profile sections for the construction of walls, panels and angle sections in thermoplastic, which is a set of components in the form of a profile section, extruded from PVC-type semi-rigid or similar material, and each component has a male and a female recess along the generatrix of the profile section, and these are joined to form assemblies that constitute articles for industrial use, such as walls, cladding for existing walls, roofing, panels, doors, windows, enclosures, balconies, partitions, bus stops, telephone kiosks, bath panels, screens, etc.