If your building a new room I highly recommend checking out Sonopan soundproofing. : r/hometheater
SONOpan II Soundproofing Panel - Walls | Fransyl
Green Glue Question | AVS Forum
Suppress the noise with SONOpan in mechanical rooms! 🛠️ See how our eco-friendly, Canadian-made soundproofing solution with Noise ST... | Instagram
SONOpan Soundproofing Panels4 foot x 8 foot, .75 inch thick | The Home Depot Canada
SONOpan Q&A Session 15: Making Acoustic Panels with SONOpan. Hope this helps! Want to know more? Visit our website or contact us! We'... | Instagram