I think I just worked out the answer to my own question by writing it down clearly-
The bars are wider so that the legs are wider to spread the force on the floor more.
But we've already added two extra joists to reinforce the floor and put OSB board on top of the floorboards (which are...
I'm trying to lower a big bath enough for the window next to the bath to clear the top of the taps.
There's also a toilet waste pipe running down the back side under the bath.
My problem is the bath support frame clashes with the toilet waste pipe meaning I can't actually lower the frame...
