9.5. The roof part design solutions need to match the local climate conditions such as noise, heat-resistant, waterproof, corrosion-resistant, rain doused and withstand hurricane winds. In urban, rural, remote areas, coastal areas, wind storms and cyclones need to use eco roofing with design requirements and installation follow TCVN 8052-1:2009 and ISO 8053:2009.9.6. Required solution against termites and new construction under TCVN 7958:2008.
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