Back to blog
Article

Can the Toilet Trap Distance Be Moved?

Admin October 16, 2026

The toilet trap distance can be moved, usually through methods such as using a toilet offset flange, raising the floor, or re-drilling holes. Details are as follows:

Using a toilet offset flange: When the position of the toilet does not match that of the drain pipe, a toilet offset flange is a commonly used adjustment tool. A one-piece offset flange is suitable for moving the toilet by a dozen centimeters and can be directly fitted over the waste outlet, making installation simple and convenient. A flat-pipe offset flange is suitable for moving the toilet by a distance of up to 50 centimeters, but when using it, a slight slope of about 5 degrees needs to be set for the pipe; otherwise, feces may get stuck in the pipe and cause blockages. However, not all houses are suitable for using a toilet offset flange. If the home's drain pipe already has an odor trap, using an offset flange will further increase the risk of blockages, and in such cases, it is not recommended. Moreover, using an offset flange may affect the normal use of the toilet and increase the risk of future blockages. Since the offset flange increases the curvature of the pipe's internal curve, it may lead to increased air pressure and the possibility of feces flowing back. If the length of the offset flange exceeds 40 centimeters or the installation is not standardized, the blockage problem will be more severe. Normally, the toilet should not be moved by more than 7.5 centimeters; if it is, a section of the cut pipe may be exposed on the floor.

Raising the floor: Raising the bathroom floor not only hides the pipes and enhances aesthetics but also allows for the design of an appropriate pipe slope to ensure smooth passage of feces. However, raising the floor also has some drawbacks. It may bring inconvenience to daily cleaning and maintenance, and if the bathroom floor sinks, repairs may be more difficult.

Re-drilling holes: Rectify the toilet drain pipe, lay the water pipe along the wall, and use a rear-discharge or bottom-discharge toilet. The advantage of this method is that the water pipe does not need to be buried underground and can effectively solve pipe problems. However, it is necessary to consult with the neighbors downstairs and take waterproof measures to prevent leaks. Re-drilling holes requires altering the pipe structure, involves a significant amount of work, and may bring potential problems. If issues arise during construction, it may have a significant impact on the drainage system of the entire floor.