Apr 05, 2014 · Adjust your top drain barrel to your desired top mud layer thickness (1 1/4″ or greater in general) plus the thickness of the tile and thinset. The top barrel typically screws into the installed drain base. Tape the top grate to protect in from the top mud layer pour. Pour (pack) the top mud layer. Ensure a 1/4″ per foot slope.

Mar 04, 2016 · If 1200 cm^{2} of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Solution: Let “b” represent the length of the base and “h” represent the height. The surface area of the box can be represented as. 1200=b^{2}+4hb. and isolating for “h” gives us, h=\frac{(1200-b^{2 ...