Recent content by loply

Build a big plywood torsion box - like 6 inches thick - and bolt your metal to it. Would flatten right out I'd imagine...

If you don't want it to shake the house to pieces you need to hang it with flexible material of some kind, ie not chains. Rubber inner tubes or suchlike might suffice. As others have commented you will shake the whole house down hitting a heavy bag attached to a ceiling or wall.