Here you will learn how to measure a toilet rough-in distance. This pivotal task is essential to the installation of a new toilet. Those inexperienced in plumbing may not have ever heard the term rough-in, so allow us to address that before we get started.
The rough-in is the location of the water outlet (typically) beneath the toilet. In some cases, the rough-in is in the wall, but we won't be covering those toilets here. The rough-in measurement is the distance from the center of the outlet to the wall facing the back of the toilet.
Any plumbing professional can tell you that the standard is a 12” rough-in, and this is true for both two-piece and one-piece toilets. You will find sometimes find a 10” or a 14” rough-in measurement. If it's not one of those three lengths, then you have a truly unique situation.
You want to measure the distance from the wall to the bolt caps at the center of the discharge. The general rule of thumb for clearance from the wall that faces the bowl is 24" and just about 15" on each side. The rough-in measurement indicates how much clearance you have and will allow you to select a compatible toilet.
There are a few common errors when it comes to measuring a toilet rough-in. You will want to be sure to avoid these pitfalls:
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Lastly, don't forget to update your installation with us when you need replacement toilet parts. If you're looking for an innovative way to improve your hygiene bathroom experience, consider electronic bidet seats for your toilet.