Welcome to the module series for the National Transition Training Fund – Phase 3 focusing on Fabric and Structure of a Net Zero Buildings. This learning content is part of the Sustainable Insulation module which aims to provide the essential knowledge of building insulation and identify the different types available to build new and retrofit buildings. This module will provide an introduction to the use of sustainable and environmentally conscious products, such as natural fibres and recycled insulation, the product characteristics, best practice use and the benefits, challenges and barriers of using natural and recycled insulation in buildings.