Illinois Plumbing Code Practice 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

How high above the finished shower floor level should all sides of shower pans turn up for drainage?

1 inch

1 1/2 inches

2 inches

The correct height for the turn-up of all sides of shower pans, as per plumbing code requirements, is 2 inches above the finished shower floor level. This height ensures effective drainage by preventing water from spilling over the edges of the shower pan and allows for adequate flow into the drain.

In practical terms, a 2-inch turn-up provides a sufficient height to contain the water during showering, taking into account variations such as showerhead pressure and the volume of water that may accumulate. A lower turn-up might not effectively manage the water, potentially leading to overflow and water damage outside the shower area.

The other options represent insufficient heights for proper drainage control, as anything lower than 2 inches may not adequately serve the purpose of containing the water within the shower space effectively.

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2 1/2 inches

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