Not always a guarantee
When you invest in a newer house with modern sewers, it can feel like a guarantee against rats. Although newer buildings and updated sewer systems can reduce the risk, it is not a guarantee of total protection. Here is a thorough review of how modern sewers affect the rat problem and why rat blockers are an important part of the protection.
How newer sewers reduce risk
- Improved design: Newer sewer systems are often designed with better materials and tightness, making it harder for rats to enter. Modern sewers often use plastic or concrete pipes that are less likely to be damaged by gnawing activity compared to older, metal or brick pipes.
- Updated methods: Sewers in newer buildings follow strict standards, which include tight connections and inspections. This reduces the risk of cracks and leaks where rats can find their way.
Rat blocker: A statutory measure
For houses built after 2012, it is mandatory to install a rat blocker as part of the building’s sewer system. The requirement was tightened in connection with the building regulations BR18, which came into force in 2017, where it was specified that rat proofing must be done – for example, by using a rat blocker. The measure is intended to improve pest protection and ensure that sewage systems do not function as an access route for rats. A properly installed and maintained rat blocker provides an effective barrier against pests and minimizes the risk of rat infestation.
Limitations of newer sewers
Although new sewers and rat blockers are an improvement, they are not a total guarantee against rats. Here are some factors you should still be aware of:
- Building defects: Even if the sewers are new, building defects can occur that can give access to rats. This includes inadequately sealed piping, errors in the installation, or cracks in the building’s foundation.
- The area around: Rats can still find their way to your home through routes other than the sewer, such as openings in exterior walls or by leaky doors and windows. Make sure your house is well secured from all possible access points.
- The neighboring area: If your neighbors have rat problems, it can increase the risk of rats in your home. Effective rat control often requires a coordinated effort throughout the neighborhood.
- Human factors: Loose waste and open waste containers can attract rats. Ensure that all food is stored safely and that outdoor areas are kept clean.
Prevention and maintenance
To ensure optimal protection against rats, even with modern sewers and rat blockers, you should:
- Regular inspection: Have both sewers and rat blockers inspected regularly to ensure they are functioning properly.
- Securing the building: Seal all cracks and openings in your home and make sure that waste containers are tight.
- Preventative measures: Consider installing rat blockers at outlets and inlets to the sewer system for additional protection.
- Food storage: Make sure food items are stored safely and out of reach of rats.
Although a newer house with modern sewers and a rat blocker is well equipped to withstand rat problems, it is not a complete guarantee of protection. A combination of well-maintained sewers, properly installed rat blockers, and proactive measures to minimize rat access and attraction is necessary to secure your home.
For further advice and help protecting your home from rats, you can always contact a professional pest controller. They can offer a thorough inspection and recommend the best solutions for your specific needs.