... , cooling, and lighting in the building. Advantage of Curtain walls: 1. waterproof, 2. airtight, 3, temperature control, 4, sound insulation, ... ability to resist certain inter-storey movement PROJECT PHOTOS:QC:1,CERTIFICATE OF QUALITY MANAGEMENT 2,CERTIFICATE OF HEALTH AND ... SAFE MANAGEMENT3,CERTIFICATE OF ENVIRNMNTAL MANAGEMENT Centurystar---- Point-fixed curtain wall design & decoration