There is a kind of rough wall surface, which is said to be sound-absorbing.

有一种墙面是麻的，据说可以吸音。

《新英汉大辞典》

Of course, I can also be material in the existing noise wall surface treatment.

当然，我的材料也可以在现有的墙体表面进行隔音处理。

youdao

Preconditioning: an unpainted surface: loose parts of the wall surface and dust removal.

预处理：未上漆表面：把墙体表面松散部位及灰尘去除。

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The mirrors reflect light into the etched glass, producing a greenish, satiny wall surface.

WSJ: Architects' Fussiest Clients

The Wall Street Journal reported that sales of IdeaPaint, a paint product that turns a wall surface into a whiteboard, have doubled since 2008.

FORBES: The Outline Trap

The electronics behind the Wall's surface can accommodate an infinite number of fingers as well as elbows, pens or an umbrella, without any of them interfering with one another.

FORBES: Magazine Article