Top 5 Cat Doors For Exterior Doors: Your Guide

Imagine this: your furry friend is meowing at the back door, wanting to explore the sunny garden, but you’re busy with chores. Wouldn’t it be great if they could let themselves in and out whenever they pleased? That’s where a cat door for your exterior door comes in!

But choosing the right one can feel like a puzzle. You want something safe for your cat, secure for your home, and easy for them to use. Will it keep out unwanted guests? Is it built to last against the weather? These are the questions that can make your head spin.

Don’t worry, we’re here to help! This guide will walk you through everything you need to know about picking the perfect cat door. We’ll cover the different types, what features to look for, and how to install it so your cat can enjoy their freedom and you can enjoy peace of mind.

Our Top 5 Cat Door For Exterior Door Recommendations at a Glance

Top 5 Cat Door For Exterior Door Detailed Reviews

1. Depets Large Cat Door (Outer Size 9.9″ x 9.2″)

Rating: 8.9/10

The Depets Large Cat Door offers a smart solution for pet owners looking to give their furry friends more freedom. This weatherproof pet door, designed for both interior and exterior use, allows your cat to come and go as they please while giving you control over their access.

What We Like:

  • The 4-way locking system is super handy. You can set it to let your cat go out only, come in only, go both ways, or lock it completely. This makes managing your pet’s movements really easy.
  • It’s built for cats up to 17.64 lbs and with a waist less than 23.62 inches. This size is great for many cats.
  • Installation is straightforward. The instructions are clear, and you can put it in doors, windows, or even cupboards.
  • The transparent flap lets your cat see through it, which helps them feel more comfortable using it. The exterior is also water-resistant, and the brush strip helps keep noise down when the flap closes.
  • It’s made from strong ABS plastic that is weather-resistant and built to last. The surface is smooth and durable, so it can handle daily use.

What Could Be Improved:

  • While the outer size is listed as 9.9″ x 9.2″, the inner opening is 7.08″ x 7.48″. This might be a bit small for some larger or broader cats, even if they are under the weight limit.
  • The “circumference < 23" " measurement is a bit vague. It would be helpful to have a more precise waist measurement guideline.

This cat door provides a good balance of convenience and control for pet owners. It’s a solid choice for giving your cat independence while maintaining peace of mind.

2. Depets Medium Cat Flap Door with 4 Way Lock (Outer Size 7.5″ x 7.8″)

Depets Medium Cat Flap Door with 4 Way Lock (Outer Size 7.5" x 7.8"), Magnetic Pet Door Kit White, Weather-Resistant Cat Door for Cats & Doggy

Rating: 9.0/10

The Depets Medium Cat Flap Door with 4 Way Lock offers a smart way to give your furry friends independence while keeping other members of the household out. This white, weather-resistant pet door is designed for cats up to 15 lbs and can be installed in doors, windows, or walls up to 50 mm thick. It’s a fantastic solution for letting your cat access specific rooms, like the bedroom or litter box area, without letting the dog or young children tag along.

What We Like:

  • The medium size is perfect for most cats, with clear measurements provided for outer, inner, and cut-out dimensions.
  • It gives you great control with four switching modes: swing out only, in only, both in and out, and fully locked. This means you decide when and where your pet can go.
  • The transparent flap allows your cat to see through, reducing hesitation.
  • A brush strip helps to quietly close the door, minimizing noise.
  • Installation is straightforward with complete instructions included, making it easy to fit in various locations.
  • The exterior screen is water-resistant, adding to its durability.

What Could Be Improved:

  • While suitable for cats up to 15 lbs, it might be a tight squeeze for some larger or stockier cats even within that weight limit if their waistline is near the maximum.
  • The “doggy” in the product title might be misleading; it’s primarily designed for cats, and a small dog would need to fit the exact dimensions.

This cat flap provides excellent control and convenience for pet owners. It’s an effective way to manage your pet’s freedom and privacy within your home.

3. CEESC Extra Large Cat Door (Outer Size 11″x9.8″)

CEESC Extra Large Cat Door (Outer Size 11"x9.8"), Weatherproof, White, ABS Material, 4-Way Locking Flap for Cats & Dogs up to 25.54 lbs

Rating: 8.6/10

The CEESC Extra Large Cat Door offers a fantastic solution for pet owners looking to give their furry friends more freedom. This weatherproof, white ABS door is designed for both cats and small dogs up to about 25.54 pounds, ensuring your pet can come and go as they please while you maintain control.

What We Like:

  • The 4-way switch is super handy. You can choose to let your pet go out only, come in only, go both ways, or lock it completely. This gives you great control over when your pet can roam.
  • It’s a good size! The outer dimensions are 11 inches by 9.8 inches, with an inner opening of 7.9 inches by 8.7 inches. This fits most cats and smaller dogs comfortably.
  • The transparent flap is a nice touch. Your pet can see through it, which might make them feel more comfortable using the door.
  • Installation seems straightforward. It comes with instructions, and you can put it in doors, windows, or even thin walls.
  • The ABS material makes it durable and resistant to weather. It’s built to last and the smooth surface is easy to keep clean.
  • The brush strip around the flap helps keep noise down when it closes, which is a thoughtful detail.

What Could Be Improved:

  • While it’s great for pets under 25.54 lbs, it won’t work for larger dogs.
  • The cut-out size is specific (8.3″ x 9.5″), so you’ll need to measure carefully before cutting into your door or wall.

This CEESC cat door is a solid choice for giving your pet independence. Its easy-to-use features and durable design make it a worthwhile addition to your home.

4. PetSafe Plastic Pet Door – Easy Install for Wood

PetSafe Plastic Pet Door - Easy Install for Wood, PVC Metal & Paneled Doors - Rust-Free Plastic Frame - Flap Dimensions 5 1/4" W x 8 1/8" H - for Large Dogs Weighing Up to 100 lb

Rating: 9.3/10

Are you tired of letting your furry friend out every time they need to go potty? The PetSafe Plastic Pet Door is here to help! This door is designed for easy installation in almost any door, letting your pet enjoy more freedom and you enjoy more peace. It’s built to last with durable, rust-free plastic and a weather-resistant flap. Plus, you can even paint the frame to match your home’s style.

What We Like:

  • Easy DIY installation in wood, PVC, metal, or paneled doors (1/16″ – 2″ thick).
  • Rust-free and paintable plastic frame.
  • Weather-resistant flap for all-season use.
  • Lockable slide panel for controlled access.
  • Suitable for large dogs up to 100 lb (flap dimensions 5 1/4″ W x 8 1/8″ H).
  • PetSafe has 25 years of experience creating trusted pet products.

What Could Be Improved:

  • The small flap size listed (5 1/4″ W x 8 1/8″ H) is for pets up to 15 lb, which might be confusing given the “Large Dogs Weighing Up to 100 lb” in the title. It’s important to clarify which flap size applies to which weight range.
  • While the plastic is durable, some users might prefer a sturdier material for very active or persistent pets.

This PetSafe pet door offers a practical solution for pet owners. It balances ease of use with durability, giving your pet independence while you maintain control when needed.

5. Perfect Pet Soft Flap Cat Door with Telescoping Frame

Perfect Pet Soft Flap Cat Door with Telescoping Frame, Medium, 7" x 11.25" Flap Size

Rating: 9.3/10

The Perfect Pet Soft Flap Cat Door is a fantastic way to give your feline friends the freedom they deserve. This medium-sized cat door, with a generous 7″ x 11.25″ flap, fits snugly into doors of various thicknesses thanks to its clever telescoping frame. It’s designed for ease of use and peace of mind.

What We Like:

  • The inner telescoping frame easily adjusts to fit doors from 1-1/4 inches to 2 inches thick. This makes installation a breeze.
  • It features a tamper-proof mounting system. This means you don’t have to worry about anyone removing the door from the outside.
  • The flap is super strong and impact-resisting. It’s also clear, so your pet can easily see if the slide is in place before trying to go through.
  • Installation is simple! It only takes about 20 minutes with the included parts and instructions.
  • The overall dimensions of the pet door are 14.88″ x 2.13″ x 8.94″, making it a good size for most cats.

What Could Be Improved:

  • While the flap is clear, some users might prefer a more opaque option for privacy or aesthetics.
  • The “soft flap” design, while intended for quiet operation, might wear down over a very long period of heavy use.

This cat door offers a great balance of security, convenience, and pet-friendly design. It’s a solid choice for pet owners seeking a reliable and easy-to-install solution.

The Ultimate Buying Guide: A Purrfect Choice for Your Feline Friend

Giving your cat the freedom to roam inside and outside your home is a wonderful thing. A cat door for your exterior door makes this possible. It lets your cat go out for adventures or come in for cuddles whenever they please. Choosing the right one can seem tricky, but this guide will help you find the best fit for your furry friend.

Key Features to Look For

When you’re shopping for a cat door, keep these important features in mind:

  • Size: Make sure the door is big enough for your cat to walk through comfortably. Measure your cat from the top of their head to the base of their tail and from their shoulders to their back legs. The opening should be a little bigger than these measurements.
  • Number of Flaps: Some doors have one flap, while others have two. Two flaps can help keep out drafts and unwanted visitors.
  • Locking Mechanism: A good locking system is essential. You’ll want to control when your cat can go in and out. Some doors have simple slide locks, while others have more advanced magnetic or electronic locks.
  • Weatherproofing: Look for a door that can handle different weather. It should keep out rain, wind, and snow. Good weatherproofing means your home stays comfortable.
  • Ease of Installation: You want a door that’s not too hard to put in your existing door. Some come with clear instructions and templates to help you.

Important Materials

The materials used in a cat door affect how long it lasts and how well it works.

  • Plastic: Most cat doors are made of sturdy plastic. High-quality plastic resists wear and tear from your cat and the weather.
  • Aluminum: Some frames are made of aluminum. This material is strong and lightweight. It can also add a nice look to your door.
  • Rubber or Vinyl Flaps: The flaps need to be flexible but durable. Rubber or vinyl flaps seal well and can withstand frequent use.

Factors That Improve or Reduce Quality

What makes a cat door great? What makes it not so great?

  • Strong Construction: A well-built door will last longer. Look for solid connections and materials that don’t feel flimsy.
  • Secure Locking: A lock that’s easy to use but hard for other animals to open is a big plus.
  • Good Sealing: Gaps around the flaps can let in drafts and water. A door with a good seal will keep your home cozy.
  • Easy Cleaning: Your cat’s door will need occasional cleaning. A design that’s simple to wipe down is helpful.
  • Noise: Some doors can be noisy when your cat uses them. A quieter design is often preferred.

User Experience and Use Cases

Think about how you and your cat will use the door.

  • For Indoor/Outdoor Cats: This is the most common use. It allows your cat to go outside to play or use their litter box and come back in when they want.
  • Controlling Access: You can use the lock to keep your cat inside at night or when you’re away.
  • Pet Doors for Multiple Pets: Some doors are designed for both cats and small dogs.
  • Security: Electronic doors can be programmed to only open for your cat’s microchip or a special collar tag. This keeps strays out.
  • Easy for Kittens and Older Cats: A door with a low profile makes it easy for young kittens and senior cats to enter and exit.

A cat door is a fantastic addition to your home. By considering these features, materials, and how you plan to use it, you can find a door that makes both you and your cat happy.


Frequently Asked Questions (FAQ)

Q: What is the main purpose of a cat door for an exterior door?

A: The main purpose is to give your cat the freedom to go outside and come back inside whenever they want, without you having to open the door for them.

Q: How do I measure my cat for a cat door?
<li>A: Measure your cat's width at their widest point (usually their shoulders) and their height from the top of their head to the ground. The cat door opening should be a little larger than these measurements.</li>
Q: What are the different types of locking mechanisms?
<li>A: There are simple manual locks (like sliding bolts), magnetic locks that open with a magnet on your cat's collar, and electronic locks that use a microchip reader or a special collar tag.</li>
Q: Can a cat door be installed in any exterior door?
<li>A: Most cat doors can be installed in wooden, metal, or even glass doors. Some might require special kits or professional installation for certain door types.</li>
Q: How do I keep other animals from using the cat door?
<li>A: Using a locking mechanism, a magnetic flap, or an electronic pet door that only opens for your cat's microchip or collar tag will help prevent other animals from entering.</li>
Q: Will a cat door make my home drafty?
<li>A: Some older or cheaper models might. However, modern cat doors are designed with weatherproofing and good seals to minimize drafts. Doors with two flaps offer better insulation.</li>
Q: How durable are cat doors?
<li>A: The durability depends on the material and construction. High-quality plastic or aluminum doors with strong flaps are generally very durable and can last for many years.</li>
Q: Is it difficult to install a cat door?
<li>A: For most basic models, installation is fairly straightforward. You typically need to cut a hole in your door and then secure the cat door frame. Many come with templates and instructions.</li>
Q: Can I use a cat door if I have a small dog too?
<li>A: Yes, there are cat doors sized for small pets, and some are designed to accommodate both cats and small dogs. Just make sure the size is appropriate for both.</li>
Q: How do I clean a cat door?
<li>A: Most cat doors can be cleaned with a damp cloth and mild soap. You might need to remove the flap for a more thorough cleaning occasionally.</li>

In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.

If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.