Can Pryda strap underside joists cause bouncy metal clanging sound if it wasn't fixed tightly/propertly?
When I walk in my master br upstairs, I can here like bouncy metal clanging sound.
Initially I thought is from the roof cavity and today only realise that is from the subfloor since when I was on ground floor and someone was in the master br above me, I could hear is very clearly.
I rechecked old photos of that area and my engineering drawing , there is a small pyrda strap in that area. 1/4 of the size of the master br. and also a heating duct.
There is no sewage pipe work in that area.
Any ideas?