What must be installed to ensure proper drainage for a shower base?

To ensure proper drainage for a shower base, a shower pan with a drain and a correctly sloped floor is essential. The shower pan is specifically designed to direct water that accumulates in the shower toward the drain, preventing any water from pooling. The key aspect of the installation is the proper slope of the floor, which should typically angle towards the drain at a slope of 1/4 inch per foot. This slope facilitates effective water flow and minimizes the risk of stagnant water and potential water damage.

In contrast, decorative features, secondary drainage pipes, and vacuum systems do not address the fundamental requirements for effective drainage in the shower area. Decorative water features do not contribute to water management in the shower, while a secondary drainage pipe isn’t a standard requirement for typical shower installations. Vacuum systems are generally unrelated to the conventional plumbing setup needed for effective gravity drainage.