Pest Control

How Rat Flap Works In Preventing Rodent Infestation?

Rats are tiny critters that are not only small but very adaptable. These critters can move across tiny spaces with their very flexible bodies. One such space where rodents thrive are our drainage pipes. The very idea of rodents creeping into our drainage system can give your jolts!! But did you know that the most common rat infestation entry point was found to be drains in the UK.

Rodent infestation can cause property damage and can also lead to the risk of rat-borne diseases.

Rat flaps are excellent prevention products that can stop rats from entering your drains. We will discuss in depth on how rat flaps actually work. But before that we will also throw some light on the most effective ways to avoid rat entry via drainage system

Ways To Eliminate Rats from Sewer Pipes

Repair any cracks or opening 

As already mentioned before, rats have a highly flexible body. Even the tiniest opening as small as 1/2 inch (1.3 cm) in diameter is enough for a typical adult rat to fit through. So it is crucial to repair any cracks or openings in the piping system to prevent their entry. You can also close the opening using stainless steel mesh wool. Steel wool is made of PE fibre, hence are difficult to chew or gnaw on by the rodents.

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Remove potential sources of shelter and food 

Make your house and its surrounding look extremely unappealing to rodents. It means that you should remove any food or other wastes kept unattended around your house. Avoid leaving pet food or birdseed outside overnight, as it can attract rodents. Make sure to dispose of food waste in sealed trash bins and take out the garbage regularly, especially food scraps that could lure rats into your vicinity. It is important to keep your garden well maintained. Keep shrubs and bushes away from the exterior walls of your property to eliminate potential hiding spots for rodents.

Setting rat traps

Another commonly used method to ward off rodents in strategically setting up rat traps. There are various type of rat traps available in the market:

Child safe & pest safe rat tunnel traps.
Rat glue trap board
Large rat & mice snap trap
Human mouse trap

It’s important to check local regulations regarding the use of traps and consider that trapping alone might not solve a larger infestation problem.

Use natural predators

Encourage the presence of natural predators of rats in and around the sewer system. Owls, hawks, snakes, and some types of stray cats can help keep rat populations in check. However, introducing predators should be done carefully to avoid upsetting the local ecological balance.

Install physical barriers inside your drains

For an extra layer of protection which is proved to be very effective, you can instal rat blocker or also known as rat flaps inside the drains. Rat flaps denies the rodent entry by acting as a physical barrier. Rodents when trying to enter the drain find the rat flap as a block which they are unable to overcome or push away. The design is such that rats cannot apply enough force to open the flap, effectively deterring them from entering through the drain.


Another important point to note is that rat flaps do not stop the waste water flow in any way. As the rat flaps come with a one-way valve mechanism, it allows the waste water to flow seamlessly. It is very important to install it correctly and in the right direction.

Rat flaps from Pest Control Worldwide are tamper resistant, humane, eco-friendly, non-toxic and effective in warding off rats. They do not require often maintenances. It is very important to buy the right size that matches your drain pipe and also to install it correctly.

Once these measures have been taken, it is important to thoroughly inspect the sewer pipes for any remaining signs of rat activity. This includes checking for blockages, listening for creaking noises, assessing the water flow for any obstructions, and examining the pipes for cracks or dents. These signs can indicate whether the rats have been completely eliminated from the sewer pipes or if further action is necessary.

How does the rat Flap work?

Rats are naturally drawn to sewer systems because they provide easy access to food, water, and shelter. Unfortunately, this also means that rats can enter people’s properties through these sewer lines, seeking warmth and safety. Once rats find a cozy spot within a building, their strong sense of smell and adaptability make them challenging to remove. However, there is an effective solution known as rat flaps.

The first step to address rat infestations in sewer systems is installing rat flaps at the entry points within the drain. By incorporating these rat flaps into the sewer pipes, you create a barrier that prevents rats from further infiltrating toilets, sinks, and other pathways.

Rat flaps for water pipes are a highly efficient means of deterring rats. They serve as a reliable prevention method against rodents and other vermin attempting to gain access. By installing rat flaps for water pipes, you ensure that your home and property remain protected from potential diseases and damages caused by rats. These rat flaps act as gatekeepers, blocking the rat’s pathway and preventing them from re-entering. Rest assured, as these rat flaps do not interfere with the functionality of your sewer system, allowing for the seamless flow of liquid waste without any rat infiltration concerns. Embracing rat flaps means enjoying a rat-free environment and enhanced peace of mind.

To Conclude

Preventing rats from entering your home or business is crucial, and a key area of concern is their access through drains and sewers, which are known to be infested with these vermin. In the UK, the majority of rats reside in the sewer system, making it common for them to infiltrate buildings via drains. Installing rat flaps for drains is often suggested as an effective measure to hinder their entry. 

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