Toilet Pipe Movement

The toilet pipe can be moved, but the plan must be carefully selected based on the movement distance, the original drain position, and the bathroom structure, and construction specifications must be strictly followed.

I. Selecting a Plan Based on Movement Distance

1. Short-distance movement (within 40 centimeters)
   • Use a dedicated flat or round pipe shifter, maintaining a slope of 1%-2% (a drop of 1-2 centimeters per meter) to ensure smooth drainage.
   • Reduce the number of elbows to avoid excessive pipe bending, which can cause blockages.
2. Long-distance movement (over 40 centimeters)
   • The floor must be raised by 20 centimeters, and new pipes must be laid to increase the slope and meet drainage requirements.
   • If the movement distance is large (e.g., over 3 meters), assess whether the pipe diameter is sufficient (usually, pipes over 110 millimeters are recommended) and ensure the slope meets standards.

II. Solutions for Original Drains Embedded in Walls

1. Using a toilet shifter
   • Suitable for cases where the new position is not far from the original (usually not exceeding 3 meters).
   • Ensure the slope of the shifted pipe meets drainage requirements to prevent backflow or blockages.
2. Raising the floor to move the toilet
   • Suitable for cases with a large movement distance or the need to use a larger-diameter pipe.
   • Note that raising the floor may affect the overall aesthetics and user experience of the bathroom (e.g., high steps can cause tripping).
3. Cutting a new hole to move the toilet
   • Suitable for cases where the original drain is completely enclosed and cannot be restored by other means.
   • Requires damaging part of the wall structure, which may affect the overall structure and stability of the bathroom. The load-bearing capacity of the floor slab must be evaluated in advance.
4. Installing a wall-mounted toilet
   • Suitable for bathrooms with limited space or where overall aesthetics and user experience need to be improved.
   • Installation is more complex, requiring a false wall to hide the water tank and pipes, and the cost is higher.

III. Construction Pitfalls to Avoid

1. Pipe sealing: Seams must be sealed with sealant or dedicated clamps to prevent odors or leaks.
2. Floor grooving: Avoid cutting into steel bars to prevent damage to the floor slab structure (cutting steel bars can turn the floor slab into a dangerous building).
3. Waterproofing: After construction, waterproofing must be redone, and a 48-hour closed-water test must be conducted to ensure no leaks.
4. Drainage type restrictions: Sunken bathrooms can be freely modified, but cast iron pipes must be secured with clamps and sealed with sealant; same-floor drainage can be decided independently, while inter-floor drainage requires approval from the property management and signatures from neighbors.

Tip: Any pipe modifications must be consulted with professionals and comply with relevant standards such as the Residential Decoration and Renovation Construction Specifications to avoid safety hazards or rework due to improper operation.