You ll need enough for the ceiling and floor plates as well as for your vertical studs.
How to build a stud wall in a bathroom.
In your situation as the cavity is so small i would use a cement tile backer board over the whole stud wall on the bathroom side to give you better sound insulation i would consider to dot dab some sound block pb on the other side of the wall plaster skimmed to help with sound absorption.
A stud wall comprises a frame of timber or metal studs secured to the floor ceiling and walls which is then covered with plasterboard.
No but make sure you observe what i said above.
You ll need timbers to frame in your stud wall or metal pieces if you re going that route.
Using a plumb bob or laser level transfer those locations to the top plates.
Step 3 framing.
Each bathroom will be fitted with a simple mechanical ventilation system with an outlet through an external wall.
To build a stud wall you ll need to purchase the right materials before getting started.
Start at one end of a wall and mark the location of the first stud.
Plan to use water resistant drywall.
Building one is a fairly straightforward job but there are some things you ll need to think about before you start.
However the stud walls i am referring to in the post were not going to be fitted with any kind of vent system becuase they are purely to provide a divide between living spaces.
Framing a bathroom is not like framing other rooms in your house.
When you ve decorated your new wall it ll look like an integral part of your house.
Wall studs are typically installed at 16 intervals when measured at their centers.