I am building a room in the basement where the slab has a pitch. I have already installed had a foam and magnesium board subfloor and my intention is to have a carpet installed on top of that. The room is about 17 x 10 and the pitch is on the 17 foot length. It is roughly 2 to 2.5 inches lower on one side that the other end.
I didn't "fix" the pitch on purpose because it is there to allow any water leaks to flow towards the drain.
So what are my options when I finish the walls and install a basement and a carpet in this room. Will I need to live with the slopping floor (which I guess will be most pronounced in the baseboard) or is there a trick to fix this where it is unnoticeable? Is there a "carpet padding shim"?