319
people found this helpful, as of 2023
ranked #77,163 most helpful
out of 571,544,897 reviews
★★★★★
They’re fine.
If you follow the instructions the go back to size from being vacuum sealed just fine. I ended up using spray adhesive, it doesn’t come with anything to mount them with.
the product in question
Sonic Acoustics 12 Pack Acoustic Foam Panels 0.4" X 12" X 12" Sound Absorbing Panel, 3D Unique Soundproof Foam Insulation, Foam Padding Used in Home & Offices (12 Pack, White)
4.1★ · 713 ratings, as of 2023