9670guy - 2/15/2012 21:32 Water runs down hill. Some variation in the grade is not that big of a deal as long as it continues to go down hill. Tile size makes a difference. The smaller the tile the more important.
Really! Not trying to be mean but it makes a difference. Your tile line will fill in to what ever the hump in the line is. If you put a 4 inch tile in and your 1/10th off you just turned it into a 3 or less. | 
Tile question
