Rat Drain Blocker Installation in Worcestershire
- PGM & SON Pest Control

- 2 days ago
- 4 min read
Updated: 1 day ago
Rat blockers are stainless steel, one-way valves fitted into drains to stop rats entering properties, allowing waste flow but blocking vermin with hinged flaps, and are installed by pest control or drainage services as a humane, non-toxic, long-term solution for both domestic and commercial properties.
They fit various pipe sizes (110/150mm) and materials (clay, PVC, cast iron) and are a superior preventative method to traps or poison as they block the entry point permanently, saving on future pest control costs.
How Rat Drain Blockers Work and Key Features
One-Way Flaps: Hinged stainless steel flaps (sometimes with serrated edges) open for waste to pass out but remain closed against rats coming in.
Durable & Safe: Made from corrosion-resistant stainless steel, they are gnaw-proof, acid-resistant, and don't use poisons.
Universal Fit: Designed to fit most drain sizes (4-inch/110mm, 6-inch/150mm) and pipe types (clay, plastic, cast iron).
Easy Installation: Often installed in the final inspection chamber using basic tools or an extension pole for deeper drains.
Eco-Friendly: A humane method that prevents infestation without killing pests.
Benefits of Installing Rodent Drain Blockers
Stops Infestations at Source: Prevents rats from ever entering your property via the sewer system.
Cost-Effective: Saves money on costly repairs and ongoing pest control services.
Peace of Mind: Offers a permanent, low-maintenance solution to recurring rat problems.
"A single rat can cause serious damage through your drains. Installing a professional drain blocker is the simplest, most effective way to protect your home or business and give you peace of mind."
Signs Rats Are Using Your Drain System
Rats are expert at finding hidden routes into your property, and drains are one of their most common entry points. Recognising the early warning signs can save you from serious damage and infestations. Look out for:
1. Strange Noises from Drains
Scratching, scuttling, or squeaking sounds coming from drains or pipes, especially at night, are a strong indication that rats are moving through your drainage system.
2. Droppings Near Drain Openings
Rat droppings near drain grates, manholes, or sink outlets are a clear sign that rodents are active nearby. These droppings can carry disease, making prompt action essential.
3. Unpleasant Odours
A strong, musky smell coming from drains or drains that are normally odourless may indicate rats nesting or urinating in your pipes.
4. Blocked or Slow Drains
Rats can push debris, leaves, or even small objects into drains, leading to blockages. Frequent or unexplained slow drainage can signal rodent activity.
5. Bite Marks or Damage
Gnaw marks on pipe edges, fittings, or nearby wiring can reveal rats attempting to access your property through the drain system.
6. Evidence of Nesting
You may notice shredded paper, insulation, or other materials near drain entry points — signs that rats are building nests close to your home or business.
Professional pest control companies use these signs to spot potential infestations before installing rat drain blockers. Acting early with expert installation prevents rats from causing costly damage and protects your property safely and humanely.
Services & Providers in Worcestershire
Pest Control Companies: Many pest control services offer supply and fitting, using blockers as part of their rodent prevention strategies.
Drainage Specialists: Companies focusing on drain unblocking and maintenance also provide rat blocker installation.
Products: Brands like Ratwall, Ratflap, and Metex offer high-quality options, often with twin flaps for better protection.
Frequently Asked Questions About Rat & Rodent Drain Blockers
What is a rat or rodent drain blocker, and how does it work?
A rat drain blocker is a specially designed device that prevents rats and other rodents from entering your drains while allowing water to flow freely. Installed in pipes or drain openings, it acts as a barrier, stopping infestations before they start. At PGM & Son Pest Control Services, we ensure each blocker is fitted correctly for maximum effectiveness across Worcestershire, including Worcester, Pershore, Evesham, and Bewdley.
Can I install a drain blocker myself, or do I need a professional?
While some DIY solutions exist, professional installation ensures the device is positioned correctly and safely. PGM & Son Pest Control Services provides expert installation for homes and businesses across Worcestershire, guaranteeing your drains are fully protected and compliant with local plumbing standards.
Will a drain blocker stop all types of rodents?
How long does a rat drain blocker last?
Drain blockers are built from durable, weather-resistant materials designed for long-term use. With minimal maintenance, a quality drain blocker can last several years, keeping your property safe from infestations. PGM & Son also offers regular checks to ensure ongoing performance across local properties.
Are drain blockers safe for my plumbing and the environment?
Absolutely! Drain blockers are designed to allow water to flow freely and won’t damage your pipes. They are also non-toxic, environmentally friendly, and safe for pets and children. By choosing PGM & Son Pest Control Services, you get expert installation with a focus on safety, effectiveness, and sustainability in Worcestershire.
Worcestershire’s Leading Rat Drain Blockers for Complete Rat Control
Protect your home or business from persistent rat problems with Worcestershire’s leading rat drain blockers, brought to you by PGM & Son Pest Control Services. Our professional rat drain blocker installations stop rats at their source, preventing them from entering your drains and causing costly damage, part of our rat / rodent control services.
Trusted by homeowners and commercial businesses across all towns and villages in Worcestershire, including Worcester, Kidderminster, Redditch, Bromsgrove, and Malvern. PGM & Son combines expert advice with proven, long-lasting techniques to keep your property safe. Safe for your property, easy to install, and tailored to your needs, our drain blockers provide the reliable protection your drains deserve.
Don’t wait for a minor problem to turn into a full-blown infestation. Take control of your drains today with PGM & Son Pest Control Services — Worcestershire’s trusted choice for rat control in Worcester, Kidderminster, Bromsgrove, Droitwich, and Malvern.



