soundproofing

American  

[saund-proof-ing] / ˈsaʊndˌpruf ɪŋ /

noun

1. the act, process, or materials used to make something soundproof.

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adjective

1. relating to or used in the process of making something soundproof.

Example Sentences

Initial findings suggest that the fire was caused by sparklers coming into contact with soundproofing foam installed on the ceiling of the establishment's basement.

From Barron's

Covered with soundproofing foam that was never safety tested, it ignites quickly.

From BBC

There has been much focus on the soundproofing foam, which, according to photos taken by the owners, had been added during renovations in 2015.

From Barron's

Many nightclub fires share a common factor: flammable soundproofing foam and interior finishes that cover much of the space and can ignite easily.

From The Wall Street Journal

The sparks appear to set fire to the ceiling, which was covered with foam for soundproofing, and the flames spread very quickly.

From BBC