What Is A Rat Wall?

Are you curious to know what is a rat wall? You have come to the right place as I am going to tell you everything about a rat wall in a very simple explanation. Without further discussion let’s begin to know what is a rat wall?

When it comes to pest control, particularly for rodents, homeowners and professionals employ various techniques to keep unwanted critters at bay. One such method is the installation of a rat wall. But what exactly is a rat wall? In this blog post, we will delve into the concept of a rat wall, its purpose, and its effectiveness in preventing rodent infestations. Understanding this technique can empower homeowners with the knowledge needed to protect their homes from these pesky invaders.

What Is A Rat Wall?

A rat wall, also known as a rodent barrier or a rat stopper, is a physical barrier designed to prevent rats and other rodents from entering a building. It is typically a vertical structure made of durable materials such as concrete, metal, or heavy-duty wire mesh. The rat wall is installed below the ground, extending a certain distance around the perimeter of the building’s foundation.

How Does A Rat Wall Work?

The primary purpose of a rat wall is to create an underground barrier that hinders the movement of rats. As rodents are known for their ability to burrow and squeeze through small openings, a rat wall serves as an obstacle, making it difficult for them to penetrate the building. By extending the barrier below ground level, it effectively blocks rodents from tunneling their way into the structure.

Key Benefits Of Rat Walls

  1. Prevention of Infestations: Rat walls act as a proactive measure to prevent rodent infestations. By creating an impenetrable barrier, they discourage rats from entering the premises, reducing the risk of property damage and potential health hazards associated with rodent presence.
  2. Long-Term Solution: Unlike traditional pest control methods that focus on extermination after an infestation has occurred, rat walls provide a long-term solution. By stopping rodents from entering in the first place, homeowners can avoid the need for constant pest control interventions.
  3. Structural Protection: Rats are notorious for their gnawing habits, which can lead to damage to structures, insulation, and electrical wiring. Rat walls not only deter rodents from entering but also safeguard the integrity of the building, preventing costly repairs.
  4. Environmentally Friendly: Rat walls are considered environmentally friendly as they minimize the need for chemical-based rodent control methods. By relying on physical barriers, homeowners can reduce their ecological footprint and maintain a safer living environment.

Considerations And Professional Assistance

While rat walls can be effective in rodent prevention, it is important to understand that they are not foolproof. Proper installation, using appropriate materials, and ensuring the barrier is free from gaps or weaknesses are crucial factors for success. Consulting with pest control professionals or contractors experienced in rodent prevention is recommended to ensure the rat wall is installed correctly and meets local building codes and regulations.


A rat wall serves as a preventive measure against rodent infestations by creating a physical barrier that deters rats from entering a building. By blocking their underground access points, homeowners can proactively protect their property and mitigate potential damage caused by these unwanted pests. While rat walls are not a guarantee against rodent entry, they offer a long-term solution that reduces the reliance on chemical-based pest control methods. Investing in a rat wall and seeking professional guidance can provide homeowners with peace of mind and a safer living environment.

Let’s find out more facts about interesting topics on Turnonx


What Is The Code For Rat Walls In Michigan?

How deep should a rat wall be? A rat wall for a shed or accessory building under 400 square feet must be a minimum of 24 inches deep. An accessory building over 400 square requires a foundation of at least 42 inches.

How Thick Should A Rat Wall Be?

Unattached frame garages and sheds 600 square feet or less shall be built on a concrete slab no less than 4 inches thick and 4 inches wide for a 24-inch rat wall.

How Do I Stop Rats From Digging Under My Foundation?

How to Get Rid of Rat Burrows in Gardens

  1. Install sturdy wire mesh or chicken wire to block entry into your garden and compost bins.
  2. Place wire landscaping mesh approximately 1/2 inches below the soil around plants to prevent rats from digging.
  3. Keep compost into rodent-resistant bins with tightly-fitted lids.

How Do I Protect My Foundation From Rats?

Seal any holes you find to stop rodents from entering. Fill small holes with steel wool. Put caulk around the steel wool to keep it in place or use spray foam. Use lath screen or lath metal, cement, hardware cloth, or metal sheeting to fix larger holes.


I Have Covered All The Following Queries And Topics In The Above Article

What To Do If A Rat Is Stuck In Your Wall

What Is A Concrete Rat Wall

What Is A Rat Wall Fence

What Is A Rat Wall In A Pole Barn

What Is The Brown Stuff Around A Rat Hole In Wooden Wall?

Rat Wall Alternatives

How Much Does A Rat Wall Cost

Michigan Building Code Rat Wall

Pouring Slab With Rat Wall

What Is A Concrete Rat Wall

How Deep Does A Rat Wall Need To Be In Michigan

What Is A Rat Wall

How deep is a ratwall

What material is used for rat walls