How Far Can a Toilet Be Moved During Renovation?

The distance a toilet can be moved during renovation requires careful planning. Generally, the safe range for ordinary toilet shifters does not exceed 15 centimeters, and alternative solutions are needed beyond that. Here are specific shifting strategies and considerations:

I. Short-Distance Shifting (≤15 cm)

1. Using Flat-Tube PVC Toilet Shifters
   Suitable for minor adjustments of 5-10 centimeters, reducing the impact on ceiling height through a flat-tube design while maintaining pipe slope. If the shifting distance approaches 15 centimeters, the original downpipe should be sawed off and connected to an inclined pipe to ensure wastewater flows naturally to the main drain. After renovation, waterproofing must be redone to prevent leakage at the joints.

2. Key Operation Points

   • Pipe joints should be polished smooth to prevent blockages caused by burrs trapping dirt;
   • The ground slope after shifting should be ≥2% to ensure drainage speed;
   • A 48-hour water closure test should be conducted after installation to check the integrity of the waterproof layer.

II. Long-Distance Shifting (>15 cm)

1. Switching to a Wall-Mounted Toilet
   The drainage pipe connects directly to the main pipe, allowing flexible shifting and reducing the risk of blockages. Wall structure planning must be done in advance to ensure space for the concealed cistern and bracket installation, suitable for scenarios with low ceiling height requirements.

2. Raising the Bathroom Floor
   By raising the floor more than 12 centimeters to reserve a slope, wastewater can be discharged smoothly. The downside is sacrificing ceiling height, which may affect spatial openness and require re-laying floor tiles, increasing construction costs.

3. Re-laying 110mm Standard Pipes
   Directly connecting to the main drainage stack, this approach is thorough but costly. It requires damaging the original floor or walls, suitable for sunken bathrooms or scenarios allowing large-scale renovations. After construction, the decorative layer should be restored, and the pipe slope should meet the standard (≥1%).

III. Key Considerations

1. Advantages of Sunken Bathrooms
   If the bathroom has a sunken structure, there is more space for renovation, allowing flexible adjustment of pipe layouts and even large-scale toilet shifting. However, attention should be paid to secondary drainage design to prevent water accumulation and mold in the sunken area.

2. Drainage Testing and Maintenance
   After installation, multiple drainage speed tests should be conducted to check for backflow or odors. It is recommended to use pipe unclogging agents regularly to prevent grease buildup; avoid flushing debris into the toilet to reduce blockage risks.

3. Compliance and Safety
   All renovations must comply with building drainage codes, and private alterations to the main drainage stack are prohibited. If load-bearing structures or public pipes are involved, prior approval from the property management or relevant authorities is required.