I applaud architects who create second-floor laundry rooms since they’re usually on the same level as the bedroom. That makes them so convenient because you don’t have to haul clothes up and down the ...

While you can technically install over the existing floor, it isn't always a good ... there's nothing that says you need to have a drain in the laundry room. There's no code enforcing it.

“Install overhead lighting ... tasks and improve efficiency.” If your laundry room will be on the second floor, Grubb recommends a pan with a drain line underneath the washing machine.