3. After the sloped mortar bed has cured, the pan liner dimensions need to be determined. Pan liner dimensions should be sufficient fo completely cover the floor, tum up all sidewalls at least 2" above the finished curb height, and adequately cover the curb. Lay the pan liner on a clean floor surface, measure, and cut to the appropriate dimensions. Note: Seaming may he required in larger showers. See Figure B. Follow instructions on Figure bonding adhesive. Je 4.