| Tile Size | Size of individual porcelain tiles | e.g., 12×12 inches, 24×24 inches |
| Grout Width | Width of grout lines between tiles | e.g., 1/8 inch, 1/4 inch |
| Patio Area | Total area of the patio | e.g., 100 sq ft, 500 sq ft |
| Desired Slope | Desired slope for proper drainage | e.g., 1/4 inch per foot, 1/8 inch per foot |
| Fall Ratio Calculation | Calculation method for determining fall ratio | e.g., ((Difference in height between highest and lowest point) / (Length of patio)) * 100 |
| Estimated Fall Ratio | Resulting fall ratio based on estimations | e.g., 1%, 2%, etc. |