It's MDF with a melamine overlay - I'll stick with "String Swings" into a stud. 16" centers is not too tight for guitars.
Thought of using slat walls before. But it cost 5 times more than steel mesh.
Of course slat would look better. Hangers for slats are also quite readily available. Installation wise, I feel that steel mesh is easier. It's stronger and have more flexibility in terms of hanger spacings.......just my 2cts
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