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How Do You Measure a Shower Base Drain?

Published in Shower Drain Measurement 2 mins read

Measuring a shower base drain typically refers to determining its location within the shower area, especially when installing a new shower base or pan. Accurate measurement is crucial for aligning the drain opening in the base with the existing drainpipe in the floor.

Based on the provided reference, measuring the shower drain location involves the following steps:

Steps for Measuring Shower Drain Location

The key is to measure the distance from established reference points (like stud walls) to the center of the drainpipe.

Here is the process:

  1. Identify Reference Walls: Choose two adjacent stud walls that will form the corner of the shower enclosure. These walls serve as your fixed reference points.
  2. Measure from the First Wall: Measure the drain center from 1 stud wall to the center of the drain record the measurement. Ensure you measure horizontally from the face of the stud wall (or where the finished wall surface will be) to the very center of the drainpipe opening.
  3. Measure from the Second Wall: Measure the drain center from a right or left perpendicular stud wall (depending on your order) record the measurement. Again, measure horizontally from the face of the second stud wall to the center of the drainpipe.

These two measurements provide the X and Y coordinates of the drain center relative to your chosen corner.

Why is Measuring Drain Location Important?

Knowing the precise location of your drain is vital for:

  • Ordering the Correct Base: Many shower bases have drain openings in specific locations (e.g., center, corner, off-center). You need to ensure the drain in the base matches your existing drainpipe location.
  • Proper Installation: Accurate measurements prevent misalignment, which can cause leaks or make installation impossible.
  • Planning Plumbing Modifications: If the drain location doesn't match the desired base, you'll know that plumbing adjustments are necessary before installation.

By following these measurement steps, you can accurately determine where your shower drain is situated relative to the surrounding structure, enabling you to select and install a compatible shower base correctly.