Reading time is approximately 7 minutes.
Public housing leaks, mold, tripped switches:
Should we report the problem first, stop the damage first, or start the renovation first?
Respond calmly to sudden home crises!
Clarify the Housing Authority's maintenance responsibilities, the boundaries of tenants' self-payment, and the 4 essential diagnostic steps before renovation.
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30-second summary of key points
When you discover water seepage from the ceiling or tripping of an electrical box, you must "control the danger and keep a certificate" as soon as possible. Do not use paint sealing boards to cover the problem in the first step!
The Housing Authority provides "routine home maintenance services" for public rental housing, including repairs such as cracked original water pipes and rusted or swollen steel bars in the ceiling structure.
Do not install floor tiles or cabinets before completely resolving the source of water seepage; otherwise, moisture will seep into the new furniture, causing it to mold, warp, and rot within a few months.
核心決策與防伏對照表
Problem symptoms
Initial investigation and stop-loss actions
Determination of liability
Timing of renovation intervention
Drips from ceiling/dampness and yellowing
Use a measuring cup to collect water, take a photo to record the drip rate, and shut off any suspected leak sources.
Most of these issues stem from inadequate waterproofing on the upper floors or cracked common piping, and fall under the responsibility of the Housing Authority/the upper floors.
The ceiling must be completely dry and the moisture content must be below 12% before applying plaster.
The electrical panel is frequently tripping.
Unplug all electrical appliances from the sockets and test each one by one by turning on the circuit breaker.
If the tripping occurs even when the circuit is unloaded, it indicates aging of the fixed wiring; if the circuit trips when plugged in, it indicates a single electrical fault.
During the renovation, all the electrical wiring in the house was replaced with flame-retardant wiring, and the zoned circuits were reconfigured.
The corner of the living room wall is black and moldy.
Wipe the surface with diluted bleach and check for water taps behind the wall.
If the wall is backed by an exterior wall, the problem is likely due to minor cracks and water seepage; if it's backed by a bathroom, the problem is likely due to damage to the waterproofing layer.
The exterior walls must be repaired or the bathroom waterproofing redone before installing the indoor moisture-proof boards.
Slow backflow of water from the toilet
Do not flush repeatedly to avoid overflow; check the ventilation pipes.
The blockage of the main canal is the responsibility of the building as a whole; the blockage of the branch canals is the responsibility of the individual building owner.
During renovation, it is essential to maintain the drainage slope; arbitrarily changing the toilet's location is strictly prohibited.
Follow along step by step: Standard operating procedure
01
Immediately stop the damage and close the corresponding valves.
If a water pipe bursts, immediately turn off the main water valve in the room; if the circuit sparks and trips, immediately disconnect the main power switch.
Tip: Safety first. Never touch a damp, live electrical outlet with your bare hands.
02
Record videos and take photos from multiple angles and retain timestamps.
Clearly record the process of water seepage, the location of the electrical panel trip, and the damaged furniture, and note the date and time.
Tip: This serves as an important basis for claiming compensation from the Housing Authority or insurance companies.
03
Routine home maintenance at the Liaison Estate Office
Report the problem to the estate management office and request the maintenance worker to come and use a humidity meter to check the temperature, and also contact the upstairs unit to investigate.
Tip: The Housing Department provides free maintenance support for eligible original facilities.
04
A professional design team will conduct an in-depth assessment of the house's condition.
Before arranging a full renovation, TL Home technicians will use professional instruments to test the moisture content of the walls and the load on the wiring throughout the house.
Tip: Eradicate the source of the disease before resuming work to prevent future problems.
TL Home Space Magic Perspective
How can designers simplify complex designs?
Moisture-proof and breathable decorative panels
In damp coastal housing estates (such as Tseung Kwan O and Ap Lei Chau), alkali-resistant and moisture-proof inorganic paint and aluminum honeycomb boards are used, which have much higher resistance to mold than ordinary wood boards.
Water and electricity separation overhead power lines
The overhead pipes follow the principle of running water down and electricity up, so that even if there is a slight leak in the water pipes, the electrical wires will not get wet and short-circuit.
This FAQ is a quick and easy guide.
Q: My ceiling is leaking, and the Housing Department contractor said we have to wait for the upstairs neighbor to cooperate. What should we do if it keeps dragging on like this?
A: You can request the Estate Office to issue a formal notice to the upstairs residents to conduct a color water test. If the situation is serious, you can also call 1823 to contact the Joint Office for Government Leakage Complaints Investigation (Leakage Office) for intervention and coordination.
Q: If there is mold on the wall, is it ok to just buy a can of anti-mildew paint and apply it on it?
A: This is only a temporary solution. If the underlying cause of the water seepage isn't identified and the moldy base coat isn't removed, applying paint directly will usually result in mold spores re-emerging and penetrating the paint film within 1-2 months, potentially producing a pungent musty smell that can affect respiratory health.
Q: I want to replace the electric box in public housing with a new model. Is it advisable to hire a new electrician myself?
A: Replacing the main electrical box must be performed by a registered electrician (licensed electrician). Upon completion, a WR1 certificate of conformity must be issued, and the estate office must be notified to ensure that electrical use complies with legal safety standards.
The above information is for reference only, and our company assumes no legal responsibility whatsoever.
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