Greenday Environmental | Drain Cleaning | Drain Survey


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Rat Flaps for sewers and Drains

Are blocked drains proving to be a nuisance in the house and the work place? Can’t handle the stench emanating from the sewer as soon as you step out on to the street? A basic plunger or your ordinary drain cleaner can only do so much to temporarily relieve you of the problem which has taken root deep down beneath your street, house or office. If you are looking for a more effective method to permanently clear blocked drains, feel free to contact our expert engineers who are available 24/7, 7 days a week to assist you with all your drainage-related issues.

The only viable method of ensuring 100% protection from potential damage is to stop rats before they can access your property.

We offer a solution that is an alternative to rat poisons and traps. Our Rat Flaps is an affordable solution to the problem of rodents entering properties through drainage pipes and ducts. It will block rodents from the outside while still permitting the free flow of water and waste from the inside.

We have two different models available. If you don’t see the size you need, we can make the Rat flap or rat blockers to order to any size. Get in touch today: If you want to discuss the product please give us a call: 24/7 Freephone 1800 222 332

Product Size:

Size:  4 Inch(100mm)
Size:  6 Inch (150mm)

Rat flap is suitable for 4-inch drains and 6-inch drains. It stops rodents entering your property. Stop rats climbing up drain and sewer pipes. Rat flap is configurable for inlet or outlet position. No water flow restriction.

24/7 Service

24/7 Emergency response. Commercial & Domestic Drainage Service. Fully insured. Local drainage engineer

One Hour Response

A fast response ensures drains are cleaned correctly and efficiently. Expert advice available

Over 30 Year's Industry Experience

Greenday Environmental drainage service was established in 1997. We offer a professional, complete and certified drain cleaning service to all our clients.

rat flap for toilet


  • Immediate, permanent, simple solution
  • No Flow Restriction
  • One simple device – Full protection from rodents