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Message: [QUOTE="sutomcat, post: 3110090, member: 27"] It will be very interesting to see what impact the new roof has on the loudness of the Dome. I haven't seen anything written or speculated about this yet. I would think that having most of the new roof becoming hard, more sound will be reflected back towards the fans and the field and it will be louder than ever. It looks like the PTFE middle section might be good at absorbing sound, but kevlar is good as well. [URL unfurl="true"]https://ntrs.nasa.gov/search.jsp?R=19790042897[/URL] [URL unfurl="true"]https://www.researchgate.net/publication/264105502_Sound_Absorption_Characteristics_and_Application_Effect_of_PTFE_Membrane_Material[/URL] The roof will be a little higher. That might hurt the loudness a little. My guess is that the Dome will get a little louder. Any acoustic experts willing to weigh in on this? [/QUOTE]