Hi Everyone, I am building a new recroom, bathroom and mudroom where my carport is currently. I am putting in a raised floor and have room for plumbing. I am putting in a mudroom at the back and would like to put in a floor drain. With my ceiling height and the location of the house's plumbing, I will likely only get a slope of about 1" over 20'. I know that that is less slope than I need, but can i get away with it in this instance? Alternatively, I could run it into the ground. It is just for the purpose of muddy boots etc, so I figure it will be ok, but I'm sure there is something I'm not thinking of. Any thoughts?