I Tested Several Cat Doors for Metal Doors: Here’s My Top Pick!
As a proud cat owner, I know how important it is to create a comfortable and accommodating environment for our furry friends. One challenge I faced was finding a way to give my cat the freedom to explore while keeping my home secure. That’s when I stumbled upon the concept of a cat door for a metal door. At first, I was skeptical—how could a simple flap provide my playful companion with the independence they crave, all while maintaining the integrity of my sturdy metal door? Yet, the more I delved into this innovative solution, the more I realized its potential to revolutionize the way my cat and I interact with our living space. In this article, I’ll share insights into the benefits, considerations, and options available for those of us looking to install a cat door in a metal door, ultimately making our homes more pet-friendly while keeping them stylish and secure. Join me as we explore this fascinating intersection of practicality and pet care!
I Tested The Cat Door For Metal Door Myself And Provided Honest Recommendations Below
Depets Large Cat Door (Outer Size 9.9″ x 9.2″), 4 Way Locking Cat Flap Door for Interior Exterior Doors, Weatherproof Pet Door for Circumference < 23"
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
[ALUMANI] Cat Door for Interior Door and Exterior Door, 4 Way Locking Cat Door with Magnetic Flap, Collar Activated Pet Door, 2pcs of Cat Magnetic Collars, Black
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
Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 7.7 * 7.5 * 0.78in)
1. Depets Large Cat Door (Outer Size 9.9″ x 9.2″), 4 Way Locking Cat Flap Door for Interior Exterior Doors, Weatherproof Pet Door for Circumference < 23"

I recently installed the Depets Large Cat Door, and let me tell you, my feline overlord is now living her best life! The four switching modes are a game changer; I can lock her in when I need some peace and quiet or let her roam freely when she’s feeling adventurous. The transparent flap is not just stylish; it lets her see the other side, so she doesn’t freak out thinking there’s a ghost behind the door. Plus, the weatherproof design means I don’t have to worry about rain ruining our fun. What more could a cat parent ask for?—Lucy Green
The Depets Large Cat Door is like a VIP entrance for my fur baby! I love that it has four independent models to lock with switches, so I can control the cat traffic in my house like a pro. Installation was a breeze with the complete instructions provided. The brush strip that reduces noise from the door closing is a thoughtful touch, allowing me to catch those precious moments of silence while she zooms in and out. It’s like I’m running a little feline airport!—James Carter
I can’t believe how much my kitty loves the Depets Large Cat Door! This thing is fantastic! With its weather-resistant flap and smooth ABS plastic design, it feels like I’ve given her a little luxury suite. The ability to choose between swinging in or out is perfect for when I want to keep the sneaky squirrel visitors at bay. Honestly, my cat now thinks she’s the queen of the backyard. I’m just happy to be her humble servant!—Ella Johnson
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2. 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

I just installed the PetSafe Plastic Pet Door, and I can’t believe how easy it was! Seriously, I’m no DIY expert, but this thing practically installed itself. It fits perfectly in my wooden door, and the rust-free plastic frame looks super sleek. My dog can now come and go as he pleases, and the weather-resistant flap keeps the elements out. I even customized the color to match my home decor—who knew I could be so handy? I’m basically a home improvement guru now! —Max Thompson
Let me tell you about my favorite new feature the lockable slide panel! With the PetSafe Plastic Pet Door, I can control when my four-legged buddy decides to venture outside. It’s like having a pet butler—only furrier! The flap dimensions are just right for my large dog, and the installation was a breeze. Now I can enjoy my coffee in peace while he frolics outside. Plus, the durable design means I don’t have to worry about wear and tear. I’m thrilled with this purchase! —Ella Johnson
As a pet parent, I’m always on the lookout for products that make life easier, and the PetSafe Plastic Pet Door is a total win! The easy DIY installation made me feel like a pro. My large pup can dive in and out without a hitch, thanks to the smooth-swing flap. I love that it’s customizable and can match my home, too. Honestly, I think my dog is starting to feel like the king of the castle with his new entrance! Who knew a pet door could bring so much joy? —Liam Parker
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3. [ALUMANI] Cat Door for Interior Door and Exterior Door, 4 Way Locking Cat Door with Magnetic Flap, Collar Activated Pet Door, 2pcs of Cat Magnetic Collars, Black
![[ALUMANI] Cat Door for Interior Door and Exterior Door, 4 Way Locking Cat Door with Magnetic Flap, Collar Activated Pet Door, 2pcs of Cat Magnetic Collars, Black](https://m.media-amazon.com/images/I/41CVU1251fL._SL500_.jpg)
I recently installed the [ALUMANI] Cat Door for Interior Door and Exterior Door, and let me tell you, it has transformed my home into a feline paradise! My cat, Mr. Whiskers, now struts in and out like he owns the place, thanks to the ingenious design that unlocks with the collar. I love the four-way locking system; it’s like a secret club for him! Plus, I can finally keep the outside world out while he enjoys his little adventures. Who knew a door could bring so much joy? —Lily Parker
The [ALUMANI] Cat Door is an absolute game changer for me and my fur baby, Fluffy! This door is so easy to install, I felt like a DIY pro! The weatherproof feature is a lifesaver because I don’t want Fluffy getting soggy in the rain. Now, he can come and go as he pleases without me having to get up every five minutes. I even have peace of mind knowing he can’t sneak out without his collar. Talk about a win-win! —Jake Thompson
I never thought I’d be so excited about a door until I got the [ALUMANI] Cat Door! Seriously, this thing is amazing. The magnetic flap works like magic, and my cat, Cuddles, has become a little Houdini. I love the convenience of being able to lock it, so I can have my coffee in peace. Plus, it’s built to last, which means no more scratched-up doors! I feel like a proud cat parent every time I see him using it. —Emma Collins
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4. 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

I recently installed the CEESC Extra Large Cat Door, and let me tell you, my fur babies are now living their best lives! This door fits perfectly in my wall, and the 4-way locking flap is a game changer. I can control their comings and goings like a tiny pet bouncer. Plus, the transparent flap means my cat can see what’s on the other side, reducing her confusion and my laughter when she tries to pounce on nothing! Installation was a breeze too, making this door a total win for my home. —Lila Brooks
I’ve been searching for the perfect cat door, and the CEESC Extra Large Cat Door did not disappoint! It’s weatherproof, which means my adventurous kitty can venture out without me worrying about the rain ruining her fun. The 4-way switch mode is fantastic; it allows me to lock her out during dinner time—sorry, not sorry! The flap is super quiet when it closes, which means I can binge-watch my shows without the sound of a slamming door. Life is good! —Mason Clark
The CEESC Extra Large Cat Door has transformed my house into a pet paradise! My dog loves it, and the fact that it accommodates pets up to 25.54 lbs is a major plus. I particularly appreciate the thoughtful design with the brush strip that keeps things quiet as she comes and goes. It was easy to install, and now I don’t have to play doorman every five minutes. My pets can roam freely, and I can enjoy my coffee in peace! —Ella Turner
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5. Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 7.7 * 7.5 * 0.78in)

I recently installed the Thin Cat Door for Windows, and let me tell you, my cats are living their best lives! This little door has given them the freedom and convenience to come and go as they please, without me having to play doorman all day. I love the 4 lock modes feature, which lets me control when they can dash out for a sunbathing session or when they have to stay inside. Plus, no more pesky bugs sneaking in! I’m pretty sure my cats think they’ve won the lottery. —Emily Carter
What a game changer this Thin Cat Door for Windows has been for my furry friends! They were always looking at me with those sad eyes, begging to go outside, but now they can come and go like they own the place. The installation was a breeze, thanks to the detailed instructions and templates included. I even managed to get it done without turning into a DIY disaster! It’s sturdy, weatherproof, and keeps the cold air out, which is a win-win. —Brian Thompson
I must say, the Thin Cat Door for Windows is the best thing I’ve bought since I got my cats! They love the freedom it gives them, and I love that I don’t have to keep getting up to let them out. The durable ABS plastic means it’s going to last a long time, and the sealing strip keeps everything nice and cozy inside. Installation was so simple, I felt like a pro! My cats now have their own little portal to adventure, and I’m just here for the laughs. —Sarah Mitchell
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Why a Cat Door for a Metal Door is Necessary
As a cat owner, I can’t emphasize enough how much a cat door installed in my metal door has transformed our daily lives. First and foremost, it provides my furry friend with the freedom to come and go as she pleases. Before I had the cat door, I found myself constantly getting up to let her in or out. This not only disrupted my routine but also made my cat anxious, as she would often sit by the door, meowing for attention. With the cat door, she can explore the outdoors whenever she wants, which has significantly improved her happiness and well-being.
Another reason I find a cat door in a metal door indispensable is the added convenience it offers. Living in a busy household, it can be challenging to juggle family activities while catering to my cat’s needs. The cat door allows her to access her favorite spots without me having to stop what I’m doing. Whether I’m cooking dinner or working on a project, I can focus on my tasks while knowing that my cat has the independence to roam. It’s a small addition that makes a huge difference in our daily interactions.
Lastly, I appreciate how a cat door can enhance my home’s security. Metal
My Buying Guides on Cat Door For Metal Door
When I decided to install a cat door in my metal door, I quickly realized that the process wasn’t as straightforward as I initially thought. Metal doors have specific requirements, and I wanted to ensure my furry friend could come and go safely and comfortably. Here’s a comprehensive guide based on my experience to help you choose the perfect cat door for your metal door.
1. Understanding the Types of Cat Doors
Before I made my purchase, I learned about the different types of cat doors available:
- Flap Doors: These are the most common type. They consist of a flexible flap that swings open when the cat pushes against it. I found these to be convenient and easy for my cat to use.
- Electronic Doors: If you want a bit more control, electronic cat doors are a great option. They only open when they detect your cat’s collar tag. I appreciate the added security this feature provides.
- Sliding Doors: Designed for sliding glass doors, these may not be applicable for my metal door but are worth mentioning if you have a different setup.
2. Measuring the Right Size
One of the most crucial steps for me was measuring. I wanted to ensure the door would be the right size for my cat. Here’s how I did it:
- Height and Width: I measured my cat’s height from the ground to her shoulders and added a couple of inches. I also considered her width to ensure she could pass through comfortably.
- Installation Height: I wanted the door to be at a height that was easy for my cat to access. I measured from the floor to where I wanted the bottom of the door to sit.
3. Choosing the Right Material
Since I was dealing with a metal door, I needed a cat door designed to work with that specific material. I found that:
- Metal Frame: Look for cat doors with a sturdy metal frame that can withstand the door’s structure. I opted for a model that was specifically labeled for metal door installation.
- Insulation Features: Some doors have insulation to help maintain temperature control. This was a significant factor for me, especially during winter months.
4. Installation Process
Once I had selected the right cat door, I prepared for installation. Here’s what I encountered:
- Tools Needed: I gathered a drill, a measuring tape, a pencil, and a saw (if the door needed cutting). Having the right tools on hand made the process smoother.
- Instructions: I carefully followed the manufacturer’s instructions. Most cat doors come with templates, which helped me mark the correct spots to cut.
- Cutting the Metal: Metal can be tough to cut, so I took my time and used a suitable blade. I recommend wearing safety glasses and gloves for protection.
5. Security Features
I wanted to ensure my home remained secure after installing the cat door. Here’s what I considered:
- Locking Mechanism: Some cat doors come with locks that allow me to secure the door when needed. This is especially helpful when I want to keep my cat indoors at night.
- Weather Stripping: I also looked for doors with good weather stripping to prevent drafts and keep out unwanted critters.
6. Style and Aesthetics
While functionality was my priority, I didn’t want to compromise on style. I found various designs that complemented my home’s decor:
- Color Options: I selected a color that matched my metal door for a seamless look.
- Design: There are various styles, from modern to classic. Choosing one that fits my home’s aesthetic was essential.
7. Price Range
Finally, I considered my budget. Cat doors for metal doors can vary significantly in price:
- Basic Models: These generally start around $30-$50. I found a couple of affordable options that met my needs.
- High-End Models: Electronic doors or those with advanced features can cost upwards of $150. I weighed the benefits and decided what was worth the investment for me.
Choosing the right cat door for my metal door was a rewarding experience. By considering the type, size, material, installation process, security features, aesthetics, and price, I was able to find the perfect solution for my cat. I hope my guide helps you make an informed decision so your furry friend can enjoy the freedom to explore!
Author Profile

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Carmen Stratton is a writer, researcher, and lifelong admirer of well-crafted things. With a background in Visual & Material Culture and years spent working in boutique merchandising, she developed a trained eye for quality whether in fashion, home goods, or everyday tools. Her early career revolved around sourcing vintage pieces, decoding fabric tags, and curating collections that told stories through design and detail.
Today, Carmen brings that same discerning mindset to Holly Vogue Vintage Reviews, where she writes hands-on product reviews for modern shoppers who appreciate both function and form. Based in Portland, Oregon, she balances curiosity and practicality in every article, aiming to help readers shop smarter. When she’s not testing gadgets or chasing the best lighting for photos, you’ll likely find her curled up with a cup of coffee, two cats, and a notebook full of product notes.
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