KaqiluoHigh Density Self-Adhesive Sound Insulation Acoustic Foam, 0.4" x 12" x72", 10mm Thick,5.8 sqft Sound Proof Padding, Fire/Water Resistant Acoustic Treatment Foam.

Kaqiluo High Density Self-Adhesive Sound Insulation Acoustic Closed Cell Foam, 0.4" x 12" x 71", 10 mm Thick,5.8 sqft Sound Proof Padding, Fire/Water Resistant Acoustic Treatment Foam

TroyStudio Mass Loaded Vinyl Sound Proof Barrier, 1 lb/sqft, 1 x 8 Feet MLV Insulation Sheet, Anti Vibration Deadening Soundproofing Material (1/8" Thick, 1 x 8 feet)

BXI Double Noise Blocker Egg Crate Foam, 39.4 X 13.4 X 1 Inch Rubber Sound Deadening Material, Sound Dampening Acoustic Foam Panels for HVAC, Pipe, Machine, Window, Wall, Door