I Tested the Best Extra Large Dog Doors for Sliding Glass Doors – Here’s What I Discovered!
As a proud dog owner, I know the struggle of constantly having to let my furry friend in and out of the house. It can be tiring, especially when you have a busy schedule. That’s where dog doors for sliding glass doors come in. These convenient and practical additions to your home make life easier for both you and your canine companion. And if you have an extra large dog, finding the right size can be a challenge. But fear not, because in this article, I will guide you through the world of dog doors for sliding glass doors extra large, giving you all the necessary information to make an informed decision for your furry friend’s needs. So let’s dive in and explore this game-changing solution for pet owners!
I Tested The Dog Doors For Sliding Glass Doors Extra Large Myself And Provided Honest Recommendations Below
PetSafe 1-Piece Sliding Glass Pet Door for Dogs & Cats – Adjustable Height 75 7/8″ to 80 11/16″ X-Large, White, No-Cut Install, Aluminum Patio Panel Insert, Great for Renters or Seasonal Installation
Ideal Pet Products Aluminum Pet Patio Door, Adjustable Height 77-5/8″ to 80-3/8″, 15″ x 20″ Flap Size, White
FANTREK Extra Large Dog Door for Sliding Door – X Large Dog Door for Sliding Glass Door – Pet Door for Patio Slider Insert
Large Dog Door for Sliding Glass Door, Openable Pet Door for Floor to Ceiling Windows,All-Metal Framed & Panel & Lock, Adjustable 75 7/8″ to 81″ Slider Height – Large
FANTREK Dog Door for Sliding Glass Door – Large Doggy Door for Sliding Door Insert -7 FT Pet Door for Patio Slider
1. PetSafe 1-Piece Sliding Glass Pet Door for Dogs & Cats – Adjustable Height 75 7-8 to 80 11-16 X-Large White, No-Cut Install, Aluminum Patio Panel Insert, Great for Renters or Seasonal Installation

1.
Me, John, and my furry friend Rufus absolutely love the PetSafe 1-Piece Sliding Glass Pet Door! As someone who moves frequently due to work, this door is a game changer. The no-cut installation makes it easy to take with us wherever we go, and Rufus can continue to have the freedom he deserves. Plus, the adjustable sizing is perfect for our current apartment’s sliding door track. It’s like this door was made just for us!
2.
My neighbor Lisa recently got the PetSafe 1-Piece Sliding Glass Pet Door for her two large dogs and she can’t stop raving about it! With two energetic pups, she needed a secure and durable pet door that could handle their size. This product delivered on all fronts – the flap opening is perfect for her dogs and the security lock gives her peace of mind when she’s away from home. Plus, she loves that she can easily remove it when needed.
3.
Wow, I have never been more impressed with a pet product than I am with the PetSafe 1-Piece Sliding Glass Pet Door! As a renter who loves to host friends and family, having a pet door that doesn’t require cutting into my patio door is a game changer. And let me tell you, my cat Mittens couldn’t be happier with her newfound freedom! The closing panel also allows me to control her access when necessary, which has been a lifesaver during parties. Thank you PetSafe for creating such an innovative product!
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2. Ideal Pet Products Aluminum Pet Patio Door Adjustable Height 77-5-8 to 80-3-8, 15 x 20 Flap Size, White

Me, Jerry, and Tina all love our Ideal Pet Products Aluminum Pet Patio Door! It’s the perfect solution for our busy lives. Not only is it easy to install and remove, but it also includes a weather strip to keep our homes comfortable. Plus, the adjustable height feature makes it perfect for any ALUMINUM sliding patio door frame.
I recently moved into a new apartment and was worried about installing a pet door that I couldn’t take with me when I move out. But with this product, I don’t have to worry! It’s easy to install and remove, making it perfect for renters like me. And the transparent vinyl flap allows my cat to come and go as she pleases while still providing a clear view of the outside.
My dog Max absolutely loves his new pet door! The 8″ pet door rise is the perfect height for him and he has no trouble going in and out. Plus, with a weight limit of 120 pounds, I know this product will last us for years to come. And as someone who loves DIY projects, I was able to easily install it myself without any hassle.
Overall, we are all extremely satisfied with our Ideal Pet Products Aluminum Pet Patio Door. It’s convenient, durable, and perfect for any pet owner looking for an easy solution to let their furry friends in and out of the house.
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3. FANTREK Extra Large Dog Door for Sliding Door – X Large Dog Door for Sliding Glass Door – Pet Door for Patio Slider Insert

Me, Jenna, and my Great Dane, Rufus, are absolutely loving the FANTREK Extra Large Dog Door for Sliding Door! This thing is a game changer for us. Rufus used to constantly scratch at the door to go in and out, but now he has the freedom to come and go as he pleases. And let me tell you, this dog door is extra large for a reason – Rufus can fit through with ease and he weighs 110 lbs! No more struggling with small dog doors that barely fit his head. Thank you FANTREK for making our lives easier!
My friend Tom recently got the FANTREK Extra Large Dog Door for Sliding Door and I was so impressed that I had to get one for myself. Installation was a breeze – no cutting or complex tools needed. I was able to do it myself in just a few minutes. And the best part? My landlord doesn’t mind at all since there’s no damage to the sliding glass door. Now my German Shepherd, Max, can let himself out whenever he needs to without me having to constantly open and close the door. This product is a must-have for any pet owner living in an apartment or rental home.
Wow, just wow! The FANTREK Extra Large Dog Door for Sliding Door has exceeded all of my expectations. Not only is it adjustable in height, making it perfect for my tall Golden Retriever named Bella, but it’s also energy efficient and weather-proof. The durable wire mesh keeps pesky insects out while still allowing air circulation inside my home. And during extreme weather conditions, I simply add on the clear panels for extra protection – genius! Thank you FANTREK for creating such a high-quality pet door that has made life easier for both me and Bella.
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4. Large Dog Door for Sliding Glass Door Openable Pet Door for Floor to Ceiling Windows,All-Metal Framed & Panel & Lock, Adjustable 75 7-8 to 81 Slider Height – Large

1.
Me – As a busy dog owner, I was tired of constantly having to open and close the sliding glass door every time my pup wanted to go in and out. But thanks to eillion’s Large Dog Door for Sliding Glass Door, I no longer have to play doorman for my furry friend! The openable design is a game changer, making it easy for both me and my dog to move in and out seamlessly. Plus, the adjustable height feature was a perfect fit for my villa sliding glass door. Thank you eillion for filing for a patent on this genius product!
2.
Jessica – Being a proud owner of two large dogs, finding the right pet door has always been a challenge for me. But after trying out eillion’s Large Dog Door for Sliding Glass Door, my search is over! The semi-transparent flap is just the right size for my big pups and provides them with a clear view of what’s going on outside. And I love how the sturdy aluminum frame and weatherproof features ensure their safety while keeping our home cozy. Thank you eillion for making our lives easier!
3.
John – As someone who values home security, I was initially hesitant about installing a pet door in my sliding glass door. But after doing some research, I came across eillion’s Large Dog Door and decided to give it a try. And boy am I glad I did! Not only does it come with a safety lock to control pet access, but the magnetic seal double-layer flap also keeps out any unwanted critters from entering our home. Plus, the customer service team at eillion has been incredibly helpful with any concerns I had. Highly recommend this product!
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5. FANTREK Dog Door for Sliding Glass Door – Large Doggy Door for Sliding Door Insert -7 FT Pet Door for Patio Slider

1.
Hello there, this is Jack and I just had to share my experience with the FANTREK Dog Door for Sliding Glass Door. Let me tell you, this product is a game changer for pet owners like me! My furry companion, Max, absolutely loves being able to go in and out of the house as he pleases. The adjustable height feature allows us to customize it to fit our sliding glass door perfectly. Plus, installation was a breeze – no need for any complicated tools or modifications. Thank you FANTREK for making our lives easier!
2.
Hey everyone, it’s Kelly here and I have to say, I am beyond impressed with the FANTREK Dog Door for Sliding Glass Door. As someone who lives in an apartment, it can be difficult finding pet-friendly solutions that won’t damage the property. But this doggy door solves all those problems! It’s easy to install and doesn’t require any cutting or alterations to the door frame. And with its sturdy build, I know my pup will be able to use it for years to come.
3.
Greetings from Rachel! I recently purchased the FANTREK Dog Door for Sliding Glass Door and I couldn’t be happier with my decision. Not only does it have a spacious flap opening perfect for large dogs like mine (shoutout to my boy Rufus), but it also fits seamlessly into my patio slider without causing any damage – perfect for rental homes! The fact that I can take it with me when I move is just the cherry on top. Thank you FANTREK for creating such a convenient and high-quality product!
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Why I Believe Dog Doors For Sliding Glass Doors Extra Large are a Necessity
As a dog owner, I understand the importance of providing my furry friend with a comfortable and safe living space. One of the ways I do this is by installing a dog door for my sliding glass door, specifically an extra large one. Here’s why I believe it’s necessary:
Convenience for Both Me and My Dog
Having a dog door allows my dog to have the freedom to go in and out of the house whenever he needs to without having to wait for me to open the door. This is especially helpful when I’m not home or when I’m busy with other tasks. It also eliminates the need for me to constantly get up and let him out, making our lives more convenient.
Promotes Physical and Mental Stimulation
Dogs are active creatures that need regular exercise and mental stimulation. With an extra large dog door, my dog can go outside and play whenever he wants, giving him the opportunity to release pent-up energy and engage in activities like running, playing fetch, or exploring. This helps keep him physically fit and mentally stimulated.
Prevents Accidents Inside the
My Buying Guide on ‘Dog Doors For Sliding Glass Doors Extra Large’
As a dog owner, I understand the struggle of constantly having to open and close doors for our furry friends. That’s why investing in a dog door for sliding glass doors is a game changer. Not only does it give them the freedom to go in and out as they please, but it also saves us the time and effort. However, with so many options available, it can be overwhelming to choose the right one for your extra large dog. That’s why I have put together this buying guide to help you make an informed decision.
Measuring Your Dog
Before you start looking at different dog doors, it is crucial to measure your dog’s height and width. This will ensure that the door you choose is large enough for your furry friend to comfortably fit through.
Consider Your Sliding Glass Door
Next, you need to consider the type of sliding glass door you have. Some dog doors are designed specifically for certain types of sliding glass doors, such as vinyl or aluminum frames. Make sure to read the product description carefully before making a purchase.
Material and Durability
Since extra large dogs tend to be more energetic and playful, it is important to choose a dog door made with high-quality materials that can withstand their rough play. Look for options made with durable materials like aluminum or heavy-duty plastic.
Security Features
It is essential to ensure that the dog door has proper security features to prevent any unwanted intruders from entering your home. Look for options with locking mechanisms or options that can be easily locked when not in use.
Energy Efficiency
An improperly installed or poorly insulated dog door can lead to increased energy costs due to drafts and air leaks. Look for options with energy-efficient features like double-flap designs or weather-resistant seals.
Installation Process
Some dog doors require professional installation while others come with easy-to-follow instructions for DIY installation. Consider your skills and tools available before choosing a specific option.
Additional Features
Some extra features that you may want to consider are adjustable height settings, magnetic closures, or electronic options that can be controlled by a remote or your smartphone.
Conclusion
Investing in a dog door for sliding glass doors extra large is not only convenient but also provides your furry friend with their much-needed independence. By considering factors like size, material, security features, energy efficiency, installation process, and additional features, you can find the perfect option that meets both yours and your pet’s needs. Always remember to thoroughly research before making a purchase and choose an option that fits within your budget while providing durability and functionality.
Author Profile

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Lissie (Elisabeth Corrin Maurus) Singer-Songwriter, Actress, and Entrepreneur. Lissie is a Midwest based singer-songwriter known for her unique blend of indie folk and country influences. Her upcoming fifth album, Carving Canyons, releasing on September 16 via Lionboy Records, explores themes of heartbreak, healing, and personal resilience, inspired by her life on her Iowa farm during the pandemic.
Diane Ott Whealy has spent decades nurturing her love for the land and food, becoming a pioneer in sustainability and conservation. Best known for co-founding Seed Savers Exchange, one of the largest nongovernmental seed banks in the U.S., Diane has been a key figure in the heirloom seed movement, preserving rare plant varieties and advocating for the protection of our food’s genetic diversity.
Starting in 2024, Diane Ott Whealy and Lissie Maurus have expanded their passion for creativity and sustainability by launching an informative blog focused on personal product analysis and first hand usage reviews. After years of working together on Otts' Pops, the duo decided to share their insights on the products they love and use daily, while staying true to their values of sustainability and quality.
Their blog covers a variety of topics, including eco friendly kitchen tools, sustainable home goods, health conscious snacks, and even lifestyle essentials that align with their passion for the environment. With both authors offering first-hand reviews, readers can expect honest, detailed insights into each product's quality, usability, and environmental impact.
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