Spending a few days away is an excellent way to rest and recharge. However, coming home can be unpleasant if a strong sewage smell suddenly fills the kitchen or utility area of your closed home.
Why does the bad smell from the sewer rise through the sink?
A home plumbing system includes an essential component known as a trap, which retains water in its bend. This volume of water acts as a permanent physical barrier, preventing unwanted sewer gases from coming back through indoor drains.
When a property is left empty with no regular water use, the standing water evaporates naturally, a process made faster by heat. Without this protective water barrier, the pipework loses its seal, allowing the dreaded bad smell to spread throughout the home.
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What is the purpose of putting a glass and paper over the drain?
This household trick involves placing a simple sheet of paper over the opening and setting an upside-down glass on top. Together, these items create a highly effective temporary mechanical seal, making it ideal for containing sanitation issues during a long planned trip.
Covering the sink drain in this way greatly reduces air circulation in that specific area. As a result, the natural evaporation of the water held in the pipework slows considerably, ensuring that the protective barrier can continue performing its protective biological role.
Below is a video from the IFSC YouTube channel that explores the points discussed in this topic in greater depth:
How does the water seal protect your home?
The water seal is simply the amount of water permanently held inside the bend of the trap. This barrier physically prevents insects, cockroaches and unpleasant odours from passing directly from the public pipework connected to the kitchen sink drain.
Maintaining this simple plumbing system is essential for protecting the comfort and hygiene of any unoccupied property. The water barrier requires attention so that moisture loss does not affect the overall sanitary condition of your trap during your temporary absence.
Drain Protection Kit
Basic items required
To carry out this straightforward tip before travelling, make sure you set aside the following items:
- A sheet of kitchen towel or aluminium foil;
- A heavy glass or plastic cup;
- Water to check the level in the trap.
What are the advantages of this household recommendation?
The key benefit of this method is its exceptional simplicity and the fact that it costs the resident absolutely nothing. By using basic household materials commonly found in the kitchen, you can provide effective protection against issues that often affect your valuable water seal.
It also avoids the use of harsh, expensive chemical products that can damage older pipework. This environmentally friendly solution protects the home's plumbing structure and provides peace of mind, allowing you to enjoy your well-earned trip with complete sanitary safety.
The main benefits of taking this preventive measure at home include the following:
- An effective physical barrier against the spread of unwanted insects.
- A substantial reduction in the natural rate of water evaporation.
- Preservation of indoor air quality without any financial cost.
What should you do when you return home after travelling?
After first opening the windows to air the home, carefully remove the improvised device. If you notice that the water level has dropped slightly, run the kitchen tap for a few seconds to fully restore protection in your kitchen sink drain.
This quick action ensures that the seal against external odours continues to work properly in day-to-day life. Following these easy precautions makes returning home pleasant and entirely free from unwelcome surprises caused by unwanted gases from the ordinary sewer system.
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