10 Best Cat Door For Sliding Glass Door (2024 Update)

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If you’re looking for the best cat door for your sliding glass door, you’ve come to the right place. Whether you’re looking for a pet door to keep your cat safe, or just want a convenient way to let them in and out of your home, there are a few key points to consider when making your choice. Here are 5 key points to consider when choosing the best cat door for your sliding glass door:

1. Size: Make sure you get the right size door for your cat. Measure your cat’s height and width to ensure a comfortable fit.

2. Security: Look for a cat door that has a secure locking system to keep intruders out.

3. Durability: Choose a door that is made of durable materials and built to last.

4. Installation: Check to see if the cat door is easy to install without the need for professional help.

5. Cost: Consider the cost of the cat door and make sure it fits within your budget.

Finding the best cat door for your sliding glass door doesn’t have to be a daunting task. With the right research and planning, you can find the perfect door for your pet. Taking into account the size, security, durability, installation, and cost of the door will help you make an informed decision. With the right cat door, you can give your cat the freedom and security they need.

10 Best Cat Door For Sliding Glass Door

1. Petsafe Sliding Glass Pet Door – Small, White, No-Cut Install, Adjustable Height.

The PetSafe 1-Piece Sliding Glass Pet Door for Dogs & Cats is a great, rental-friendly solution for pet owners living in apartments or rental homes. This pet door is designed for small pets up to 15 pounds and has an adjustable height of up to 80 11/16 in or 96 in. The flap opening measures 5 1/4 W x 8 3/16 in H, so it is perfectly sized for cats and small dogs. The door also comes with a latch kit, so you can easily lock your sliding glass door once the pet door is installed.

The PetSafe pet door is easy to install and can be done in just one piece, so it's easy to take with you if you and your pet move. The pet door also comes with a closing panel, so you can control your pet's access to the outdoors when needed.

The PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations since 1998 and is dedicated to helping keep your pet healthy, safe and happy. If you have any questions about the PetSafe 1-Piece Sliding Glass Pet Door for Dogs & Cats, you can contact their customer care team who are available by phone, email or chat.

2. Sliding Glass Cat/dog Door Insert – Rentals/apartments – No Cutting Diy Installation – S, M, L Pets

The PetSafe Sliding Glass Cat and Dog Door Insert is the perfect solution for renters and apartment dwellers who want their furry friends to have the freedom to come and go as they please. This rental-friendly door is easy to install and detach using removable adhesive strips, so you can easily take it with you when you move.

The door automatically adjusts to fit into your existing sliding door tracks with no cutting, and it easily installs in most left or right sided sliding glass door frames up to 80 11/16 in tall. For added security, the latch kit enables your sliding glass door to lock, and the slide-in closing panel adds another level of security when your pet isn’t using the door.

The door has weather stripping and a tinted flap with magnetic closure to keep the heat and cold outside, making it energy efficient and cost-effective. The strong and durable aluminum frame and tempered glass make the door built to withstand heavy use. Plus, it comes with a 1-year warranty for your peace of mind.

The flap opening is 5 1/4 W x 8 3/16 in H, designed for pets up to 15 lb. And with PetSafe being a trusted global leader in pet behavior, containment and lifestyle innovations for nearly 30 years, you can be sure that the quality of this product is guaranteed.

3. 4-Way Locking Cat Door For Sliding Glass Doors

The YOUTHINK Cat Flip Door is a 4-way locking cat door that is perfect for small pet doors for cats, small dogs and puppies. It features dual knob-style locks that allow you to control your pet's access in and out of your home. It also has a brush strip to reduce noise when your pet comes in or out of the door. This cat door for interior doors is designed with a transparent flap, so after installation on a clear glass window or door, it will look like a seamless body.

The YOUTHINK Cat Flip Door flap is 7.25" x 8", making it suitable for all breeds of cats and some small dogs up to 6 kg / 13lbs. It is made from high-quality ABS and 100% polycarbonate construction, making it weather-resistant and long lasting. This cat door flap is also robust and UV stable, ensuring a virtually unbreakable dog door.

The YOUTHINK Cat Flip Door is the perfect solution for pet owners looking to give their pet a safe and secure way to enter and exit their home. It is easy to install and provides a stylish and convenient way to control your pet's access. With its noise-reduction design, silent action and durable materials, this cat door flap is sure to provide your pet with a comfortable and secure way to come and go.

4. Hakuna Pets Patio Pet Door, Diy Install, Magnetic Closure, Uv Resistant Mesh, Remove For Storage, Small, Black.

The Hakuna Pets Patio Pet Door is the perfect solution for pet owners looking to give their furry friends easy access to the outdoors without the hassle of permanent installation. The Patio Pet Door is designed with a durable and sturdy aluminum frame and fiberglass mesh to keep insects out while still allowing air to flow inside the home. It’s perfect for hot summer months.

Installation is easy and requires no tools. Simply slide the door into the existing sliding door channel and you’re ready to go. The door has a safe and secure magnetic closure and is rental safe, so it can be easily removed and reinstalled as needed.

The Patio Pet Door is designed for maximum durability. The powder coated aluminum frame is UV resistant and the fiberglass mesh panels are designed to last. The frame measures 9.84” W x Up to 84.25” H and the flap measures 6.69” W x 9.06” H, fitting most sliding doors.

The Hakuna Pets Patio Pet Door is the perfect solution for pet owners looking for a convenient and easy to install way to give their pets access to the outdoors. With its durable construction and simple installation, it’s the perfect addition to any home.

5. Cat Door For Sliding Glass Doors | 4-Way Lock | Small & Large Flap Sizes | Adjustable Heights | Dark Bronze Frame

This Whiskers & Windows Cat Door is designed to fit most sliding glass doors in your home. It is easy to install, with no tools required, and has an adjustable height range of 75"-77.5" or 77.5"-80". The aluminum frame is available in dark bronze (black) or white and the plastic pet door is corrosion-resistant. The patio cat door panel comes with a foam weather stripping for insulation.

Measuring is easy and straightforward for proper installation. Measure the track of the sliding glass door from the top to the bottom of the sliding door jamb and select the appropriate size. The frame will then adjust to fit the track of the sliding glass door.

This cat door is great for those who want to keep their cats in and out of the house without needing to get up and open the door for them. It features a four-way lock that can be used to control their access. The lock has an open, closed, in-only and out-only setting. It is easy to use and can be adjusted quickly and easily.

This product is made with durable and corrosion-resistant materials, allowing it to last through years of use. It is easy to clean and maintain, making it a great choice for any home. It is also easy to remove and reinstall when needed.

The Whiskers & Windows Cat Door is an excellent choice for those looking to give their cats the freedom to come and go as they please. With its easy installation, adjustable height and corrosion-resistant materials, it is sure to provide years of convenience and security.

6. 4-Way Locking Cat Door For Sliding Glass Doors

This AZB Cat Door is an ideal choice for cat owners and pet parents of small dogs and puppies. It offers four-way locking and mode control for easy access for your pet, while also securely locking them in or out. The door is made from a durable and weather-resistant ABS material, and features robust UV stable polycarbonate construction, making it virtually unbreakable.

The cat door is also designed to be aesthetically pleasing. Its transparent design allows it to blend in with the glass window or door it is installed on, making it appear as one whole body. Additionally, the cat door flap has a brush strip to reduce noise when pets come in and out, providing a silent action that won't frighten them or disturb you.

This cat door fits cats and small dogs up to 13lbs, and has a flap size of 7.5" x 8.3". Easy to install on both glass windows and sliding glass doors, this small pet door is easy to use and will ensure your pet can access your home with ease. The four-way locking mode allows you to control when your pet can enter and leave, providing you with the peace of mind that your pet is safe.

7. Cat Door For Horizontal Sliding Windows – Small Vinyl Pet Door, Lockable, Energy Efficient.

The Patio Pacific Inc. Cat Door for Horizontal Sliding Windows is a great choice for cat owners looking to give their feline pet easy access to the outdoors. This cat door is specifically designed to fit snugly into horizontal sliding windows between 34” – 37”, 43" – 46", 46” – 49”, or 57" – 60" high, and at least 1” thick. The lightweight and durable vinyl flap makes it easy for small cats of all sizes to push through, so you can rest assured that your furry friend can get in and out of the house with ease.

The Patio Pacific Inc. Cat Door for Horizontal Sliding Windows is designed for a tool-free installation, with its spring-loaded design setting up in a matter of minutes. The sturdy aluminum frame is resistant to weather corrosion, so you can be sure that your cat door will remain in good condition for years to come. To ensure maximum security, a press-fit locking cover is included to restrict access to your cat door when needed.

The Patio Pacific Inc. Cat Door for Horizontal Sliding Windows is a great choice for cat owners looking to give their pet easy access to the outdoors. With its easy installation, corrosion resistance, and secure locking cover, this cat door is perfect for ensuring that your feline friend can get in and out of the house with ease, while also providing you with the peace of mind that comes with knowing that your pet is safe and secure.

8. Endura Flap Vinyl Sliding Glass Dog Door – Small – 77.25" – 80.25" – White

The Endura Flap Vinyl Sliding Glass Dog Door is the perfect solution for pet owners with modern white patio sliders. It is designed with a strong white vinyl frame, providing the best flush fit into the slider track and made to last. The flap is adjustable at the top for fast, easy installation and removal. This dog door is highly energy efficient andweather-resistant, with the flap being able to withstand winds of up to 50 mph. Additionally, the insulated flap provides protection against the harshest weather outdoors throughout the year.

Four flap sizes are available for the Endura Flap Vinyl Sliding Glass Dog Door: Small 6"w x 11"h; Medium 8"w x 15"h; Large 10"w x 19"h; and XL 12"w x 23"h. The Small and Medium panels come with a 4" stepover, while the Large and XL panels ship with a 6" stepover. The flap also includes a locking cover, which is as strong as 1/16 inch sheet of steel, for controlling your pet's exit or entrance, and for protecting your home.

The dog door is designed for a track that is at least 1.5" thick. The opening for people to use is reduced by the following widths: Small flap panels 11 1/8"; Medium flap panels 13 3/16"; Large flap panels 15 3/16"; and XL flap panels 17 1/4". The height ranges are determined by measuring from the lowest point of the lower track to the highest point in the upper track. If the panel is a little too tall to fit in the slider opening, you can trim up to 1/4" off the top flange.

The Endura Flap Vinyl Sliding Glass Dog Door is made in the United States and comes with a lifetime guarantee on all parts, products, and components to be free of defects in materials and workmanship. With its strong and durable construction, this dog door is a great addition to any home and is sure to last for years to come.

9. Sldpet Dog Screen Door Cat Sliding Screen Doggie Door For Exterior Doors Cat/dog Door Lockable (S)

This pet screen door is the perfect solution for pet owners who want to let their cats or small dogs come and go freely. Made from high-quality ABS material, the cute paw design adds a fun and decorative touch to any home. It's easy to install and comes with two sliding locks at the bottom of the screen to keep your pet safe and secure while you're away.

The door flap is easily replaceable, and the smooth swinging device allows your pet to enter and exit freely without any pressure or difficulty. It's designed to automatically close after your pet leaves, and the size is perfect for cats or small dogs – Outer 11.42”×9.45”, Inner 8.25”×10.5”.

With this pet screen door, you can rest assured that your pet can come and go freely without any risk of escape. The durable and sturdy material ensures the safety of your pet, and the attractive paw design adds a playful touch to your home. It's an ideal solution for pet owners who want their pets to be able to enjoy the outdoors without any worry.

10. Aluminum Slider Pet Door – White Frame – 75"-80" & 93"-96" Adjustable Heights

The Dragon Pet Door for Aluminum Sliders is perfect for sliding glass door owners looking for a cost-effective, pet-friendly solution. This pet door is available in two flap sizes to accommodate pets up to 19 inches tall – Medium (7.1"w x 13.1"h) and Large (9.4"w x 16.6"h). The sturdy aluminum frame features adjustable height ranges of 75" – 80" and 93" – 96", measured from the lowest point of the track to the highest.

This pet door's two-piece insulated flap design maximizes energy efficiency, and is further enhanced by the use of strong magnets. Installation is fast and easy – no tools are required – and the frame of the pet door comes in multiple colors to match the existing sliding glass door frame. Plus, a c-clamp lock is included to secure the sliding glass door, and a locking cover allows you to block the flap when needed.

No longer do you need to hold open the door for your pet – the Dragon Pet Door for Aluminum Sliders gives them the freedom to go outside as they please. This pet door is the ideal choice for giving your pet the freedom they need, while keeping the elements out.

Best Cat Door For Sliding Glass Door FAQs

Are cat doors a good idea?

Cat doors can be a great idea for pet owners who want to give their cats more freedom and independence. Cat doors allow cats to come and go as they please, giving them the opportunity to explore the outdoors and get some exercise. Cat doors also provide cats with a safe way to enter and exit the home without having to rely on their owners to open the door for them.

Cat doors can also be beneficial for pet owners who want to keep their cats indoors. By providing cats with a way to come and go as they please, pet owners can ensure that their cats are not getting into trouble or getting lost. Additionally, cat doors can help to keep other animals out of the home, as cats can easily enter and exit without having to open the door for them.

However, cat doors can also be a source of potential problems. If not properly installed, cat doors can be a security risk, as they can provide easy access to the home for burglars or other unwanted visitors. Additionally, cats may bring in pests or other animals through the cat door, which can be a nuisance.

Overall, cat doors can be a great idea for pet owners who want to give their cats more freedom and independence. However, it is important to consider the potential risks and make sure that the cat door is properly installed and maintained.

Can you put a cat door in a glass sliding door?

Yes, it is possible to install a cat door in a glass sliding door. The most common type of cat door for a glass sliding door is a pet door insert. This type of cat door is designed to fit into the existing sliding door frame and is made of a durable, weather-resistant material. The pet door insert is designed to fit snugly into the frame and is secured with screws. The pet door insert also has a locking mechanism to keep the door secure when not in use.

The installation process for a pet door insert is relatively simple and can usually be completed in a few hours. First, the existing sliding door frame must be measured to ensure the pet door insert will fit properly. Next, the pet door insert must be cut to size and then secured into the frame with screws. Finally, the locking mechanism must be installed and tested to ensure the door is secure.

Once the pet door insert is installed, it is important to regularly check the door for any signs of wear or damage. If any damage is found, it is important to repair or replace the pet door insert as soon as possible to ensure the safety of your pet. Additionally, it is important to regularly clean the pet door insert to ensure it is free of dirt and debris.

Overall, installing a cat door in a glass sliding door is a relatively simple process that can be completed in a few hours. With proper installation and regular maintenance, a pet door insert can provide a safe and secure way for your pet to enter and exit your home.

Can you put a pet door in a sliding glass door?

Yes, it is possible to install a pet door in a sliding glass door. There are several types of pet doors available, including those that fit into the existing frame of the sliding glass door, as well as those that require a separate frame to be installed. The type of pet door you choose will depend on the size and weight of your pet, as well as the size of the sliding glass door.

When installing a pet door in a sliding glass door, it is important to make sure that the pet door is properly sealed and insulated. This will help to keep the temperature inside the home comfortable and reduce energy costs. Additionally, it is important to make sure that the pet door is securely attached to the frame of the sliding glass door, as this will help to prevent any potential accidents or injuries.

When selecting a pet door for a sliding glass door, it is important to consider the size and weight of your pet, as well as the size of the sliding glass door. Additionally, it is important to make sure that the pet door is properly sealed and insulated, as this will help to keep the temperature inside the home comfortable and reduce energy costs. Finally, it is important to make sure that the pet door is securely attached to the frame of the sliding glass door, as this will help to prevent any potential accidents or injuries.

What is the best type of cat flap?

The best type of cat flap depends on the needs of the cat and the owner. For cats that need to be kept indoors, a magnetic cat flap is a great option. These cat flaps use a magnet on the cat's collar to open the flap, allowing the cat to come and go as it pleases without the risk of other animals entering the home. For cats that need to be kept outdoors, an electronic cat flap is a great option. These cat flaps use a microchip or RFID tag on the cat's collar to open the flap, allowing the cat to come and go as it pleases while keeping other animals out. Both types of cat flaps are easy to install and provide a secure way for cats to enter and exit the home. Additionally, both types of cat flaps can be locked to keep cats in or out, depending on the owner's preference. Ultimately, the best type of cat flap depends on the needs of the cat and the owner.