Acoustical Baffle-Whisper Foam-Water Retardant & Fire Retardant
https://sealedair.com.au/en-gb/product-care/product-care-products/stratocell-whisper
For Classroom Noise:
https://sealedair.showpad.com/share/WQa1N7nhlxxruelZGRdLc
For Outside Noise:
https://sealedair.showpad.com/share/hISAZVHCbO0Q8bdy4jgWh
Swimming Pools, in-door games area, auditoriums, etc. :
https://www.youtube.com/watch?v=erzRwRC7Gkk
Construction noise barrier walls:
https://www.youtube.com/watch?v=v0Q97EIsQak
Railways (Train) and Roadway barrier walls:
https://www.youtube.com/watch?v=OM2IYOtBEL4
https://www.youtube.com/watch?v=4M_mqUZDGt4