Thanks for the info. Yep that's what the joist in the bedroom are.
The existing wall though isn't sitting on one of those. Its got a flat face of OSB. I am fairly sure it's a steel I beam clad in the OSB as half the joists for the bathroom and master bedroom must sit on it.
So I guess any...
Hi All,
I have recently purchased a "modern" estate house. It's actually about 15 years old. The ensuite bathroom needs replacing. In particular the shower is tiny especially for a tall some what larger than ideal guy like myself. So fitting a shower tray 30cm bigger in each direction would be...