Another 180 Inwall Build Question

[radar99]

I m upgrading my 33g to a 180g
The tank is "in wall" backing into my storage room, this is a 800sq foot room with lots of storage and furnace equipment in it.
I was wondering if I have to insulate it or waterproof the tank wall at all, I cannot waterproof the whole room, so I don't know if I should do any waterproofing.
The tank is 180 and the sump will be 60g, I plan on putting one of those Home Depot dehumidifier in and plumbing it directly to the sewer drain.

Here is a picture of where the tank will go.

 

[fish tanked]

I would at least cover the back of the sheetrock around the tank to keep moisture from collecting and over time soaking through your sheetrock.

 

[Helter Skilter]

I covered the inside walls of my room with Hardy-Backer. It's a concrete based paneling used for showers, and other wet enviornments.