I really did not anticipate acoustics to matter, yet perforation patterns, backing products

https://augustnbhv690.cavandoragh.org/designing-for-2126-customized-snow-guards-in-copper-that-prove-their-worth-over-time

I didn't expect acoustics to matter, yet perforation patterns, backing materials, and panel midsts in steel ceilings tame reverberation while keeping crisp, modern-day lines.