amlu
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tried using my bosch one to find joists in plasterboard ceiling with no access from above. no luck
sorted by drilling couple of small holes around marked locations, in case there is joist above they can be filled up.
got some proper magnets from old disk drive may try that way too.
sorted by drilling couple of small holes around marked locations, in case there is joist above they can be filled up.
got some proper magnets from old disk drive may try that way too.