5 Best Cat Doors For Garage Doors

Peter Armani | 24-01-2026

Cat doors for garage doors offer your feline the freedom to move between spaces while keeping your home secure and comfortable. Whether you need a sturdy option for larger cats or a slim design for tight spaces, choosing the right cat door can make daily life easier for both you and your pet. This guide compares several practical cat doors, focusing on their everyday usability, installation needs, and features that matter most for garage settings.

Editor's Choice
Depets Large 4-Way Locking Cat Flap
Depets Large 4-Way Locking Cat Flap
Premium Pick
Lessmon Thin Cat Door for Windows and Sliding Doors
Lessmon Thin Cat Door for Windows and Sliding Doors
Budget Pick
Pet Door for Wood, PVC, Metal or Paneled Doors
Pet Door for Wood, PVC, Metal or Paneled Doors

Top 5 Cat Doors For Garage Doors

We researched and compared the top products in the Cat Doors For Garage Doors category to provide you with these recommendations.

1. Depets Large 4-Way Locking Cat Flap

Spacious Four Way Access
Depets Large 4-Way Locking Cat Flap

Made from smooth ABS plastic, this cat flap feels sturdy and is well-suited for frequent use in busy households. The large opening accommodates bigger cats or small dogs, and the transparent flap helps pets see through before entering. The four-way locking system gives flexibility to control your cat’s movement as needed.

What We Like:

  • Versatile four-way locking
  • Large opening for big cats
  • See-through flap for comfort
  • Weather-resistant build
  • Brush strip for quieter use

What Could Be Improved:

  • Installation requires careful measuring
  • Not ideal for very thick doors

2. Lessmon Thin Cat Door for Windows and Sliding Doors

Slim Window Friendly Design
Lessmon Thin Cat Door for Windows and Sliding Doors
9.5

Lessmon

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This slim cat door is designed for easy fitting in windows, sliding doors, or thin wooden doors. The ABS plastic construction feels durable, and the included sealing strip helps keep out drafts and odors. Its four locking modes offer flexibility, and installation is straightforward with the provided template and hardware.

What We Like:

  • Suitable for windows and sliding doors
  • Slim profile fits thinner panels
  • Four locking modes for control
  • Sealing strip helps with insulation
  • Simple installation process

What Could Be Improved:

  • May not suit larger cats
  • Limited to thinner door types

3. CEESC Extra Large Cat Door, 4-Way Locking

Extra Large Pet Access
CEESC Extra Large Cat Door, 4-Way Locking

Constructed from weather-resistant ABS material, this extra-large cat door feels robust and is suitable for larger cats or small dogs. The four-way locking mechanism gives you control over your pet's access, and the transparent flap helps pets see what's on the other side. Added features like a brush strip and rain seal enhance comfort and reduce noise.

What We Like:

  • Extra-large opening for bigger pets
  • Four-way locking for flexibility
  • Weather-resistant construction
  • Brush strip reduces noise
  • Rain seal for outdoor use

What Could Be Improved:

  • May be too large for small cats
  • Requires careful measuring for installation

4. Pet Door for Wood, PVC, Metal or Paneled Doors

Simple DIY Installation
Pet Door for Wood, PVC, Metal or Paneled Doors
8.9

Petsafe

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This pet door features a lightweight plastic frame that feels smooth and is easy to install in a variety of door materials, including wood, PVC, and metal. The swing flap moves easily for pets and the frame can be painted to match your door. A lockable slide panel offers basic access control for added convenience.

What We Like:

  • Works with multiple door types
  • Paintable frame for customization
  • Lockable slide panel for control
  • Smooth swinging flap
  • Straightforward installation

What Could Be Improved:

  • Flap size may not suit larger cats
  • Not designed for thick or insulated doors

5. Indoor Cat Door with 4-Way Lock and Reinforced Frame

Reinforced Secure Frame
Indoor Cat Door with 4-Way Lock and Reinforced Frame
8.7

Libbepet

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Built with a reinforced ABS frame, this cat door feels sturdy and is designed for regular indoor or light outdoor use. The four-way lock allows you to set the desired access mode, while brush strips help keep out drafts and odors. The opening is sized for most cats, and installation is manageable for DIYers.

What We Like:

  • Reinforced frame for durability
  • Four-way locking for access control
  • Brush strips for better sealing
  • Designed for easy installation
  • Suitable for most cats

What Could Be Improved:

  • Not suitable for very thick doors
  • May require trimming for thin panels

How to Choose Cat Doors for Garage Doors

Garage doors vary in material and thickness, so it's important to match the cat door to your specific setup. Locking options and weatherproofing are especially important for garages exposed to the elements.

Door Compatibility

Not all cat doors fit every door type. Knowing your garage door's construction helps narrow your choices and avoids installation issues.

Locking Mechanisms

Locking features help manage your cat's movement and can add security, especially if your garage is accessible from outdoors.

Weather Protection

Weatherproofing keeps drafts, rain, and debris out of your garage. This is especially important if your garage is not climate-controlled.

Flap Size and Pet Comfort

A properly sized flap ensures your cat can pass through comfortably and confidently. Oversized doors may let in more air or pests, so balance size with security.

Installation and Adjustability

Installation difficulty varies. Review instructions ahead of time and consider your comfort level with tools before starting.

FAQ For Cat Doors For Garage Doors

1. What features should I look for in a cat door for a garage door?

Key features include compatibility with your garage door material, weather resistance, secure locking mechanisms, and a flap size that matches your cat’s needs.

2. Can I install a cat door in a metal garage door?

Many cat doors are designed for installation in metal doors, but you should confirm the product’s compatibility and use appropriate tools for cutting metal panels.

3. How do I prevent drafts and rain from entering through the cat door?

Look for cat doors with brush strips, sealing gaskets, or weather-resistant flaps to help block drafts and moisture.

4. Is it possible to restrict my cat’s access through the garage door?

Yes, many cat doors offer four-way locking systems or slide panels that let you control when your cat can enter or exit.

5. Will a cat door affect the security of my garage?

A properly installed cat door with a secure locking mechanism can help maintain security, but it's important to choose a model that fits tightly and locks when needed.
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Peter Armani

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