Best Dog Doors for Keeping Cats Inside: 5 Picks

Imagine this: you want to give your dog the freedom to go in and out, but your curious cat keeps tagging along for the adventure. Or maybe you have a dog who loves the outdoors, but you need to make sure your feline friend stays safely inside. It’s a common puzzle for pet owners!

Finding the perfect dog door that *also* works to keep your cat inside can feel like a real challenge. You want something that’s easy for your dog, but also secure enough to prevent your cat from slipping out. You worry about drafts, unwanted visitors, and making sure it’s a good fit for your home and your pets.

But don’t worry! This post is here to help. We’ll break down what to look for, explain different types of doors, and share tips to make sure your dog door keeps your cat exactly where you want them. By the end, you’ll feel confident in choosing a solution that works for everyone.

Top Dog Door To Keep Cats Inside Recommendations

No. 1
Door Buddy Door Prop for Cats - Easiest Cat Door Latch Holder to Keep Interior Door Open for Pets - Dog Proof Cat Feeding Station & Litter Box - Strong & Portable Door Stopper & Pet Gate Alternative
  • Lets Cats In and Keeps Dogs Out - The Door Buddy Cat Door Prop is the easy, convenient, and secure way to keep door cracked open for cat to go in while also keeping it narrow enough to keep dog out of room (if slightly larger than cat).
  • Effortless to Use - Simply turn the knob or handle from either side to open the door and enter the room. It can't get any easier than that. Nothing to manually latch and unlatch every time you enter the room. Relatching in the propped position is even easier... just push or pull the door closed until the Door Buddy Door Latch Holder automatically latches onto the door plunger. That is it!
  • Simple Installation, Non-Permanent & Portable - Remove the existing strike plate from the door jam and replace it with the Door Buddy strike plate using existing screws. The Door Buddy Door Holder for Cats does not require any adhesives, cutting, or making new holes in your door, making it removable, reusable, and the perfect solution for renters and travelers alike. The result - a dog proof cat litter box in seconds.
  • Adjustable Width - Our patented strike plate and door latch holder allow you to adjust the width of the door opening to keep the door ajar between 3 - 5.5 inches so you can customize it to the exact sizes of your pets. Simply loosen the little screws, slide the two pieces to the desired width, and fully tighten the screws until it locks and no longer slides. T8 Torx tool is provided in the product package.
  • Strong, Durable & Pinch Free - Made from thick, high-quality materials making it strong and durable so it will stand up even to big and determined dogs. Finally, a pet, dog, cat door stopper where there is no "movement" when in the propped position which means no pinched fingers, tails, and no getting locked in or out of rooms.
No. 2
TGIOW Cat Door Latch, 2 Pcs Cat Door Stopper Pet Door Latch to Keep Dog Out of Litter Box and Food, Door Prop for Cat with 5 Adjustable Size Strap 2.5-6" Wide, No Measuring, Easy to Install, White
  • Freedom for Your Cat: TGIOW cat door latch is designed for families with pets, allowing your cats to enter and exit the room freely, keeping dogs away from litter box or cat feeder, and providing cat with a private space to move around
  • Adjustable Cat Door Latch: The pet door latch has 5 adjustable holes, you can adjust the width according to the size of cat. The adjustable width is 2.5-6 inches, making it suitable for cats of all sizes to enter the room while keeping larger dogs out
  • Robust and Convenient: TGIOW cat door strap is made of PE and stainless steel, which can withstand the impact of large dogs. Our cat door holder latch allows for one-handed opening, making it easy to open the door from both inside and outside the room
  • Easy to Install: Simply tighten the tail screw and insert it into the door frame striker plate and the cat door latch will work. So there is no need to replace the door frame striker plate or cut the door panel without any damage to your door
  • Safety First: When not in use, the flex latch cat door holder latch hangs on the door handle to avoid bumping into the body. Active children like to run around the room and protruding foreign objects are a potential hazard
No. 3
QWR Reinforced Cat Screen Door,Fits Door Opening Size 32''x 80'',Thickened Cat Proof Screen Door Mesh with Zipper Closure for Living Room,Kitchen,Bedroom.
  • 😸【Fits All Door Opening Sizes Up To 32x80"】: Pet screen size 34"x82",Fits door opening size up to 32''x80''. (Width up to 32'',Length up to 80''. Suitable for door opening size only, door frame not included.) Important: Measure your door before ordering to be sure our door mesh screen will fit. See all available sizes to order the perfect size for your door opening.
  • 😸【Zipper Screen Door】: When your pets can't get along well,you can separate them,or when you introduce new friends to your pet,They can see and smell but can’t touch each other.this screen is a neat tool to help safely ease the introduction along.
  • 😸【Effective Anti-cat】: We has designed a double zipper inside and outside on the cat-resistant mesh screen,which is convenient for you to open the door screen.Besides, it's adhesive and hook and loop tape are very strong, and the screen will not be scratched off by the cat.It can effectively stop cats from running out of the room while keeping the air circulating, and it can also effectively prevent biting creatures from flying in.
  • 😸【Reinforced Cat Screen Door】: Made from thickened vinyl-coated steel wire,Stitches has been upgraded with higher force sewing thread.It will prevent your screen door from rip due to cats claws and climbing,high density mesh,which is much thicker and more durable than normal fiberglass screen material.
  • 😸【Easy to install】: No tools required.Simply peel the adhesive backing off the hook&loop strips and apply to door frame.Clean the surface of the door frame before installation to ensure a secure and lasting fit.Can be widely used for various doors:storm doors,Interior doors,Standard door,greenhouse door and so on.
No. 4
Door Buddy Cat Door Latch & Stopper. Adjustable Dog Proof Door Strap for Cats. Dog Proof Litter Box & Cat Feeder. Simpler Pet Gate Alternative. No Cut Cat Door Interior Door.
  • ✅ THE ORIGINAL NO CUT CAT DOOR - Door Buddy’s adjustable pet door latch for cats is the original interior cat door alternative that gives cats back their space! No need to cut out a kitty door for interior door or fight a bulky pet gate with cat door. While cheap pet door holder knock-offs are tempting, there’s no one as customizable, durable, and effective as Door Buddy‘s made in the USA cat door strap for pets
  • ✅ KEEP DOGS OUT & TAILS SAFE - Door Buddy's dog proof door latch is the easiest way to keep door cracked open for cat while also allowing you to dog proof litter box. Thanks to our extra strong 3M adhesive and door stopper for cats, Door Buddy’s pet door strap combo can stop dogs up to 120lb from getting into no-go rooms while keeping doors propped open. Finally, a cat door for interior door without any hassles or a dog proof cat feeding station solution that your cat will love.
  • ✅ SIMPLE & EFFECTIVE INSTALLATION - A tool-free pet door lock that's simple and works! The 3M adhesive sticks to your door & door frame, the adjuster allows you to keep the door cracked open just enough to suit your cat's width, and finally lock the hook into the latch. The strap will flex around the door for an easy to use and easily accessible dog door latch from either side of the door. DO NOT install on drywall. For extra motivated dogs, install on the back of door for a stronger hold.
  • ✅ CUSTOMIZABLE & ADJUSTABLE - Door Buddy works on the most door types including bifold, sliding, pocket, and double doors. Now you can dog proof cat litter boxes and keep dog out cat food no matter the room! With our adjustable mechanism, you can fully customize the width to keep door ajar for pets from 0-6” wide. Adjust to smallest gap to keep cats out or adjust it to fit your kitty and keep dogs out of room. For extra safety, use the foam pet door stopper to prevent door from closing.
  • ✅ MADE IN THE USA - Quality fur-parents deserve quality products. Door Buddy is small business owned, parent invented, and made in the USA. Unlike other cheaper, less durable and imported dog door stopper & cat door holder straps, Door Buddy's adjustable dog door strap and cat door stop combo is both affordable and made with superior quality materials. Give our Door Buddy Door door lock latch and Cat Door Prop a try today and see for yourself why thousands of pet owners love it so much.
No. 5
Adjustable Door Strap and Latch, Damage-Free Cat Door Latch to Keep Large Dog Out of Litter Box, Economical Alternative of Pet Gates, Basic 1 Pack
  • CAT ACCESS ONLY BUT DOG PROOF: Neobay door strap for cats helps to keep dog out of the Litter Box or Cat Feeder (if the dog is slightly larger than the cat) by use of adjustable door strap and door latches to let the door open properly, the gap is wide enough so cats can easily enter(opening dimensions from 0-9.5 inches), and narrow enough so large dogs and babies cannot go through. Perfect solution for the Kitty to have privacy.
  • COST-EFFECTIVE CAT GATE AND CAT DOOR: Installs in seconds without tools. Just peel & stick to the door and door frame with 3M adhesive, 𝐁𝐮𝐭 𝐧𝐨𝐭 𝐨𝐧 𝐃𝐫𝐲𝐰𝐚𝐥𝐥 𝐨𝐫 𝐖𝐚𝐥𝐥𝐩𝐚𝐩𝐞𝐫 to prevent paint damage,NO need to cut a permanent hole to install an interior cat door (especially suitable for renters). NO need to install a ponderous pet gate. Neobay cat door strap offers a simpler and more convenient way for cats and dogs to live peacefully together, gives you and your furry pal the freedom you both deserve.
  • UPGRADED DESIGN: Solid alloy is deployed inside of the Plastic Hook to deal with persistent dogs. Enlarged 3M Adhesive area and strap width & length ensure better performance and strength. Added the optional reserved screw holes mainly for Determined Dogs (Mounting screws can withstand greater pulling force).
  • CONVENIENT AND NEAT: Neobay door latch for cat is quite easy to use on standard swinging doors, latch with one hand from inside or outside the door for quick and convenient access. Why struggle with a hassle pet gate or permanent cat door?
  • SPARE ACCESSORY KIT AVAILABLE: Neobay Replacement Accessory Kit (2 Sets) can be purchased separately through Search ASIN B09GJW6R2B
No. 6
Retractable Dog Gate with Cat Door 55" Wide Retractable Pet Gate with Cat Door Mesh Dog Gate Retractable Baby Gates for Doorway Retractable Puppy Gate for The House Retractable Outdoor Gate for Deck
  • Small Pet Door Design : Our retractable baby gates has a cat door, the size of the cat door is 6*7. It can separate your dog from the cat and prevent your babies from eating the cat's food. Perfect for families with children and multiple pets.
  • Durable Scratch-resistant Mesh : the mesh of the retractable baby gate with cat door is made of soft and durable scratch-resistant mesh, which not only won't bump your child but also can resist pet's claws.
  • Retractable Design : the retractable design allows the mesh to be completely rolled up when not in use and won't take up space in your home. The height of the retractable gate is 33 inches, suitable for 0-55 inch wide openings.
  • One Handed Operation : retractable dog gate with cat door features a one-handed locking and unlocking mechanism. Adults can open the retractable baby gates with one hand, while children can't open the retractable pet gate with cat door.
  • Suitable for Babies and Pets :the retractable pet gate with cat door Works as both an baby gate and a pet gate to providing a safe environment to play. Keep your children and pets out of dangerous areas.
No. 7
Dixutzi Pet Screen Door Thickened Cat Resistant Mesh Screen Door for Living Room, Bedroom, Kitchen, Patio, Dog Cat Scratch Proof Screen with Zipper Closure (Fits Door Size up to 35''x 80'', Black)
  • Enhanced Stitches & Strap: Stitches has been upgraded with higher force sewing thread.It will prevent your screen door from rip due to cats claws and climbing. The short strap helps pull aside the screen door when you need to pass the door frequently.
  • Fits Door Sizes Up To 35''x 80'': Pets screen door size 37''x 83'', fits door size up to 35''x80''. Please measure your door before you order it (ONLY door size, doesn't include door frame part ).
  • Reinforced Cat Screen Door: Made from thickened vinyl-coated steel wire which is much thicker and more durable than normal fiberglass screen material. The scratch resistant screen door can hold up well to cats/dogs claws and bites. Effectively meeting the specific requirements of pet owners.
  • Easy To Install: No tools required. Just need to peel the adhesive backing off the hook&loop strips and apply to the door frame. You may push pins to secure the screen into its place. Also it can be removed easily without damage your door frame.
  • Widely Application: Can be widely used for various doors, such as sliding door, patio door, entry door, front door, storm door, back door, french door, interior door, greenhouse door and so on.

The Ultimate Buying Guide: A Purrfect Choice for Keeping Cats Indoors

Are you a cat owner who loves letting your dog roam freely but wants to keep your feline friends safe and sound inside? A dog door designed to keep cats inside might be the perfect solution. These special doors let your dog go in and out, but they’re built to prevent your cats from following. This guide helps you choose the best one for your home and your pets.

1. Key Features to Look For

Size Matters

The most important feature is the size of the opening. It needs to be big enough for your dog to pass through comfortably. Measure your dog’s widest part and add a couple of inches. You don’t want your dog to struggle.

Cat-Proofing Mechanisms

This is what makes these doors special. Look for doors with a locking mechanism. Some have simple slide locks, while others have electronic systems. Electronic locks often use a collar tag for your dog, so only they can open it. This is great for preventing adventurous cats.

Durability and Weather Resistance

Your dog door will face the elements. It should be made from strong materials that can handle rain, sun, and wind. A good seal around the edges helps keep out drafts and moisture, making your home more energy-efficient.

Ease of Installation

Some doors are easier to install than others. Consider if you’re comfortable with DIY projects or if you’ll need professional help. Clear instructions and included hardware make the job much simpler.

2. Important Materials

Plastic

Many dog doors use durable plastic. It’s lightweight and weather-resistant. High-quality plastics resist cracking and fading from the sun.

Aluminum

Aluminum frames offer extra strength and durability. They are often used in combination with plastic flaps. Aluminum is a good choice for busy households.

Flap Material

The flap is what your dog pushes through. Look for sturdy but flexible materials like vinyl or rubber. Some flaps are insulated to help with temperature control. Double flaps offer better insulation and security.

3. Factors That Improve or Reduce Quality

Build Quality

A well-built door feels solid. Hinges should operate smoothly. The locking mechanism should be secure and easy to use. Poorly made doors might break easily or not seal properly.

Weather Stripping and Seals

Good weather stripping around the flap and frame is crucial. It prevents drafts and keeps water out. Without good seals, your energy bills could go up, and your home might get damp.

Security Features

The locking mechanism is key to keeping cats inside. A strong, reliable lock is essential. Electronic locks with unique dog tags offer the highest level of security. Simple manual locks can be less effective if a determined cat figures them out.

4. User Experience and Use Cases

Peace of Mind

The main benefit is peace of mind. You can let your dog out to potty without worrying about your cats sneaking out. This is especially helpful if you live near a busy road or have other outdoor hazards.

Training Your Dog

Most dogs learn to use a dog door quickly. You might need to encourage them at first with treats. The goal is for your dog to go in and out independently.

Different Home Setups

Dog doors can be installed in various places: house doors, garage doors, or even walls. Choose the location that best suits your home and your dog’s needs. Consider the height of the opening for your dog.

Frequently Asked Questions (FAQ)

Q: How do I measure my dog for the right size door?

A: Measure your dog at their widest point (usually their shoulders or hips) and add about 2 inches. Also, measure their height at the shoulder. The door should be at least a few inches taller than your dog’s shoulder height.

Q: Will cats be able to get through the dog door?

A: A good cat-proof dog door should have a secure locking mechanism that only your dog can operate. Electronic doors with collar tags are the most effective at preventing cats from entering or exiting.

Q: Are these doors difficult to install?

A: Installation difficulty varies. Some are designed for simple DIY installation into existing doors. Others, especially those for walls, might require more tools and skill. Always check the product description and reviews for installation details.

Q: Can I use these doors in extreme weather?

A: Look for doors made with durable, weather-resistant materials and good seals. Insulated flaps and sturdy construction will help keep your home warm in winter and cool in summer.

Q: How do I train my dog to use the door?

A: Start by holding the flap open and encouraging your dog to go through with treats or praise. Gradually let the flap close a little more each time until they learn to push it open themselves.

Q: What if I have multiple dogs?

A: If you have multiple dogs, ensure the door is large enough for all of them. For electronic doors, you can usually purchase additional collar tags for each dog.

Q: Are there different types of locks available?

A: Yes, there are manual slide locks, magnetic locks (which require your dog to have a magnet on their collar), and electronic locks that use RFID tags on your dog’s collar.

Q: How do I clean and maintain the dog door?

A: Most dog doors can be cleaned with mild soap and water. Regularly check the flap for wear and tear and ensure the locking mechanism is working correctly.

Q: Can I install this in a screen door?

A: Some specialized pet doors are designed for screen doors, but a standard dog door for keeping cats inside is usually installed in solid doors or walls.

Q: What is the lifespan of a dog door?

A: The lifespan depends on the quality of the materials and how much your dog uses it. High-quality doors made from durable materials can last for many years.

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