12" wall thickness

[BACLLC]

I know how to change wall thickness's (under wall types) to some point, but my issue is how can I make walls 12" thick ? I see choices for 4', 6", 8" & 16", but no 12" ?

 

I use HD Pro 2021 running windows 11.

 

Thanks in advance !

[solver]

38 minutes ago, BACLLC said:

I know how to change wall thickness's (under wall types)

 

Then what's the problem? 

 

39 minutes ago, BACLLC said:

but my issue is how can I make walls 12" thick ?

 

[BACLLC]

Thanks, how I missed that I'll never know