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Solid wall insulation of the Victorian house stock in England: A whole life carbon perspective

机译:英格兰维多利亚州股票的坚固墙壁绝缘:一生碳透视

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Solid walls are a common feature of the pre-1919 Victorian housing stock in England, however their construction results in considerable heat loss, and thus large heating requirements. Solid wall insulation of these walls would improve energy efficiency, and in turn should reduce greenhouse gas emissions. However, the additional insulation needed comes with an embodied carbon cost. Current studies about whole life performance of solid wall insulation focus on a single building or building type only, without considering the diversity of building types in the pre-1919 Victorian house stock. This study fills this gap by investigating the whole life carbon performance of eight current market available insulation materials. The insulation materials studied include vacuuminsulated panels (VIPs), aerogel, phenolic foam, polyurethane (PUR), polyisocyanurate (PIR), expanded polystyrene (EPS), glass wool and wood fibre. The results show that solid wall insulation reduces whole life carbon emissions up to 1654 kgCO(2)e per m(2), with the carbon payback time of all eight insulation materials being less than 23 years in the worst case scenario, and less than one year in the best case scenario. Both are considerably shorter than the service life of the insulation materials. More actions should be taken to promote the installation of solid wall insulation in the pre-1919 Victorian house stock as this work shows that the accumulated carbon reduction potential reached 268 MtCO(2)e from 2021 to 2050.
机译:实心墙是英格兰1919年维多利亚女王时代住房股的共同特征,但其施工导致相当大的热量损失,从而导致大量的加热要求。这些墙壁的实心壁绝缘将提高能效,而且应减少温室气体排放。但是,所需的额外绝缘材料具有体现的碳成本。目前,关于整个墙壁绝缘的整体寿命性能的研究专注于单一建筑物或建筑类型,而不考虑1919年维多利亚女王时代的房屋股票的建筑类型的多样性。本研究通过调查八个当前市场可用保温材料的整个寿命碳性能来填补这种差距。所研究的绝缘材料包括真空板(vips),气凝胶,酚醛泡沫,聚氨酯(PUR),多异氰脲酸盐(PIR),膨胀聚苯乙烯(EPS),玻璃棉和木纤维。结果表明,固体墙体绝缘可降低全年寿命碳排放量高​​达1654 kgco(2)e(2),所有八种绝缘材料的碳投资回报时间在最坏情况下少于23年,小于一年是最好的情况。两者比绝缘材料的使用寿命相当短。应采取更多行动促进1919年维多利亚女王时代的房屋股票的固体墙体绝缘,因为这项工作表明,累计的碳还原电位从2021到2050达到268 mtco(2)e。

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