The phrase "sound proof" is grammatically correct and commonly used in written English.
It can be used as an adjective to describe something that is designed or constructed to prevent sound from passing through. Example: The conference room was sound proofed to ensure privacy during important meetings.
Exact(16)
To have concert hall, studios with skylights, sound proof walls, etc.
He doesn't keep her in a guest room, but locks her in a sound proof dungeon.
Her most sensual turn comes on "Sound Proof Room," which suggests a playfully urgent twist on Jackson 5 nostalgia.
They are both sound proof and sound wave-absorbing.
Listening was chosen via external sound proof headphones in isolated and silent laboratory environment.
The first problem is difficult to solve because it is impossible to sound proof the rooms where patients are.
Similar(43)
The system includes a ventilation system, a heavy, sound-proof door, and solid, sound-proofed wall panels.
A wall, sound-proof, must mount between us.
In a sound-proof phone booth were three phones--one a direct wire to Police Headquarters.
How about offering sound-proof tents for those who'd quite like to get some sleep?
It contained: Sound-proof electricity generators, air conditioning and medical supplies.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com