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The Largest Loss Of Energy Is From Our Existing Buildings That Tend To Waste ...

The largest loss of energy is from our existing buildings that tend to waste a great deal of the energy they take in. A way of overcoming this wastefulness is to take advantage of modernisation projects in order to improve the energy efficiency of the building, to bring the building in line with the relevant, and applicable, building and energy-efficiency standards of the day. This would potentially save many thousands of tonnes of CO2 emissions and would also dramatically reduce the costs of heating the building.
The UK government is trying to tackle this problem by implementing new building regulations. In effect, the regulations are designed in such a way that architects and builders are forced to insulate the building adequately, through the application of cellular plastic-based insulating materials (for example rigid board). Whilst many builders and architects argue that these insulating materials have a great deal of embodied energy, with many of them sharing the view that embodied energy is more important that long-term energy savings, a true ecological balance must be recognized. Building regulations, which should be used by local authorities in order to ensure that builders use optimal insulation, are not always, in practice, enforced, and, as such, are not an efficient method in terms of ensuring new buildings are built with optimal insulation.
This dissertation looks to identify the importance of sustainability in construction by looking, in depth, at the reasons behind the construction industry's major role in environmental degradation. To this end, an assessment will be made of the schemes that have been put in place to tackle this problem, and how successful they have been, in terms of addressing the problems. Sustainable construction is a broad subject and the focus of this dissertation will be the materials that can be used by the construction industry to achieve sustainability in buildings, illustrating their importance and how they can be used to transform the reputation of the industry.

1.3 Aim
The aim of this dissertation is to understand the reasons behind the application of rigid board insulation in building projects, and its contribution to reducing CO2 emissions by investigation of the following: the concept of sustainable development and energy preservation; the UK Government's effort to tackle global warming issues with a focus on thermal insulation and, finally, embodied energy versus energy savings in rigid board insulations

Objectives and Key question
The main aim of this dissertation is to assess the environmental impact of applying polyurethane board as an insulating material to a building.

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