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Students Name: Aaron Wright Science and Materials Intermediate Assignment 4 Scientific Principles and Comfort Levels in the Design of Buildings Task 1 Explain in terms of scientific principles, why: a) It is advantageous to shade the south facing windows of a modern office block with louvres, and specify, giving, a suitable material for their construction. b) It is necessary to incorporate a vapour barrier in the construction of a flat roof of a multi storey office block. a) Only surfaces facing South receive sun all year round, however, South facing windows lose heat in the winter and gain heat in the summer as the sun rises and sets at different times as well as taking different paths across the sky. The reason the sun is stronger in the summer than the winter is because the sun is higher and therefore the rays from the sun tend to be more direct hence more intense. Similarly in the winter...

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