Pat has an 80 year old house and the previous owner built an addition onto it. The floor is tiled and when Pat looked underneath the floor to find out why it was so bouncy, she discovered (see the photo) that the floor joists were 2x4's turned flat! That's not a floor, that's a trampoline, and on...
Decks need to be built strong enough to not fall down or have deck boards break for lack of support. In addition, although they do not need to be as solid as a floor in the house, they should not bounce like a trampoline. The structures of most decks in Canada are built with pressure treated wood...
A squeaky ceramic floor is a particularly difficult problem because you really cannot fix it from the top down, and if you don't fix it, it will eventually break the grout if not the floor tiles because of the movement of the floor.
Squeaking is caused by something rubbing, often the floor board...
