Jämförelse av KL-trä och Grön betong för ytterväggar med avseende på LCA och LCC

Sammanfattning: Climate impact is a dominant issue in today's society and the construction sector is considered to be one of the industries causing most carbon dioxide emissions. According to the National Board of Housing, Building and Planning, the construction and real estate sector accounted for 21% of Sweden's total greenhouse gases in 2018 and this corresponded to 11,8 million tonnes of carbon dioxide equivalents.The choice of material plays a significant role in reducing the climate impact and creating sustainable development. In this study two different exterior wall materials are compared from an economic and environmental perspective. The materials that should be compared is a sandwich wall, which is made of green concrete, and a cross laminated timber, CLT wall. The purpose of the study is to find out which of the materials is most advantageous for exterior walls with regard to the environment and economy.