The old fashion giving the wall a tap in many places (two or three times with a little think in-between before running into anything) tells a lot Edited in - or just drill a hole, see and feel what's there
Definitely sounds solid. Will drill away
@TTM started
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The old fashion giving the wall a tap in many places (two or three times with a little think in-between before running into anything) tells a lot
Edited in - or just drill a hole, see and feel what's there