18 x 24 Dog Door

Give Your Pet the Freedom to Come and Go:Let your pet move easily between your home and garden anytime. This pet door features smooth and lightweight flaps. A well-sealed design helps block out wind, rain, and dust, while the sturdy construction supports everyday use. Available in multiple sizes, it is a practical choice for homes with pets of different shapes and sizes.

Nice pet door. Easy to install and well made.. Joseph. Princeton, BC. Fri Aug 14 2026

Give Your Pet the Freedom to Come and Go:Let your pet move easily between your home and garden anytime. This pet door features smooth and lightweight flaps. A well-sealed design helps block out wind, rain, and dust, while the sturdy construction supports everyday use. Available in multiple sizes, it is a practical choice for homes with pets of different shapes and sizes.

Sturdy construction.. Diane. Mon Jul 13 2026

Provide your dog with convenient outdoor access while maintaining indoor comfort with this heavy-duty wall-mounted dog door. Featuring a reinforced aluminum alloy frame and a three-flap insulated design, it helps block wind, rain, snow, and extreme temperatures. The thickened flaps are built for durability and daily use, while the modern silver-white finish blends seamlessly with various home styles. Designed for active pets and long-term performance, this wall dog door offers a reliable solution for pet freedom and home energy efficiency.

This cat door features four independent locking modes that are easily controlled with simple switches. Whether you want your cat to exit only, enter only, enjoy full two-way access, or lock the door completely, this system offers the flexibility and control you need to manage your pet's movement while keeping unwanted animals out.

This is a cute little pet door. I love that I could choose color, as black fits with our home color scheme best. I was surprisingly impressed that the magnet for the flap is pretty strong. The smallest size is Perfect for cats and toy dog breeds. We haven’t had a chance to install yet, but we’re looking forward to using this door for some farm kitties we adopted unexpectedly so they can have access to our garage. Love that a template is included too.. Jennifer. Nebraska. Fri Oct 02 2026

Provides convenient window access for your cat with this full-size sliding window cat door insert designed for 32"–36" window openings. Featuring a durable aluminum frame, clear glass panel, and weather-resistant sealing components, it helps create a secure passage while maintaining indoor comfort. The adjustable design allows quick installation without permanent modifications, making it suitable for renters and homeowners. Four locking modes provide flexible control over your pet’s access, giving you peace of mind in different situations.

Pet Door, 8.27" x 11.93" Aluminum Frame with Lock and Flap System, Weatherproof Doggy Door, Easy to Install in Interior or Exterior Doors, Pet Door Suitable for Cat Doggie Kitties (White-Small) Comprehensive Protection Advanced Technology Quick Suitability Check Easy Access Stylish and Versatile High-Quality Brush Strip Applicable Door Thickness Range: 1.06- 2 in/ 27-50.8 mm,Flap Size: 5.25 x 8.13 in/133.4 x 206.4 mm,Item Model Number: CWM01-S,Flap Material: PVC,Frame Material: Aluminum Alloy,Net Weight: 3 lbs/1.35 kg,Frame Size: 8.27 x 11.93 in/210 x 303 mm

Give small pets easy indoor and outdoor access with this wall-mounted cat door featuring a durable all-aluminum alloy frame and insulated double-flap design. Built with reinforced welding, the frame provides long-lasting strength while resisting rust and deformation. The expandable tunnel fits walls from 3.95" to 7.5" thick, making it suitable for various wall installations. Magnetic seals, dust strips, and a locking panel help improve energy efficiency, security, and protection from outdoor elements.

All Aluminum Dog Door for Exterior Door, Large Doggy Door, Heavy Duty Pet Door, Double Magnetic Flaps, Thermal Tnsulation, Energy Efficient, Sliding Lock Panel (Pets Up to 110Lb)

As advertised. Slide in security panel was warped when it arrived and the box was a bit torn in one spot. Not very securely packaged, but I was able to re-form the slide in panel, and make it work. It would be a 5 star rating if it had come with a second panel to go on the outside position which would make it more secure. The aluminum frame is very well designed and fits together nicely. Instal was pretty easy if you are skilled with tools and a power hand held saw.. W. Steamboat Springs, CO. Sun May 03 2026

Our products feature solid materials and meticulous craftsmanship, delivering quality that stands the test of time for true durability. We also maintain affordable pricing with outstanding value, allowing you to enjoy reliable, high-quality items at a reasonable price—truly worth every penny.

Nice quality door. Wanted to post to remind people that dog doors are often measured from outside of frame not actual opening. I’m having to size up. Mark. Carmel Valley, CA. Thu Aug 27 2026

Provide extra-large dogs with comfortable access while helping maintain your home’s indoor environment with this XL heavy-duty dog door. Featuring a reinforced aluminum alloy frame and a three-flap insulated system, it helps block wind, rain, snow, and extreme temperatures while supporting frequent daily use. The thickened flaps are designed for enhanced durability and resistance to cracking, while the sleek silver-white finish complements modern home exteriors. Built for active pets and long-term reliability, this pet door combines convenience, protection, and energy efficiency.

Extreme Weather Triple Flap Aluminum Doggy Door, Energy Saving Insulated Rust Resistant Pet Access Door with Safety Lock & Slide Shut Panel for Large Dogs Under 110 Lbs Black Finish

This 4-way locking pet flap door offers convenient independent access for cats and small to medium dogs while giving you full control over their movement. The transparent flexible flap lined with sealing bristles effectively blocks wind, dust and draughts, helping maintain indoor temperature and reduce energy loss all year round. Four adjustable locking modes allow you to set free in-out access, entry-only, exit-only or fully locked status to stop stray animals from wandering indoors. Constructed with thick durable plastic frame, it fits most wooden, uPVC and metal doors for easy installation. Unlike basic single-function pet flaps without weather sealing, this design balances pet freedom and household comfort, avoiding cold air infiltration and unwanted wildlife intrusions.

New armor flex double glass, low-E patio pet door is like no other pet door on Earth. This ingenious new pet door features a revolutionary, patent-pending flap design that creates an airtight seal, providing the highest level of extreme weather resistance and energy efficiency. The innovative new flap design is made of individual, interlocking segments, each precisely positioned by rare earth magnets. The interlocking segments pivot relative to one another to provide the horizontal rigidity required to create an airtight seal while providing vertical flexibility, making it easy and safe for your pet to use. This extremely high-quality pet door is designed to be the best-made dog and cat door on the planet, featuring heavy-duty aluminum frame construction, high-strength ABS composite flap construction, and all stainless-steel hardware. The door is finished with the toughest industrial powder coat to look beautiful and work correctly for years and years. Compared to the next best pet door on the market, the new armor flex door represents a big step forward in quality, innovation, and technology with lower pricing to give you, not just the best pet door but, the best value anywhere.

I really like the pet door. I have 4 cats and 1 dog, they can go outside whenever they want and I don’t have to keep getting up to let them outside.. Michelle. Maplewood, MN. Sat May 30 2026

Dog Door for Sliding Glass Door: The flap features premium metal hinges that resist warping and sagging over time for lasting durability. The adjustable height design fits a wide range of door sizes, making installation easy for most homes. Ready to upgrade your pet-friendly home?

Flap Pet Door, Take Care of Your Pet:This flap pet door features a metal frame and PVC flaps with magnetic strips. It has a stable structure and provides sealing protection. The unique rotating hinge design allows pets to enter and exit freely. Its simple and beautiful design is suitable for various home styles.

Just installed this door for our dogs. Good weatherproof system. Three flaps makes but hard for our Pugs but works great for accessing deck.. Chizuko. Jasper, GA. Thu Sep 17 2026

Dog Door for Sliding Glass Door:Designed with your pet's comfort and convenience in mind, this doggie door for sliding glass door ensures seamless access while maintaining the interior harmony of your home. The advanced hinge structure enhances both stability and durability preventing breakage even in low temperatures.

Great door amd tall enough for my growing 5 month old Cane Coroso. Leslie. Mckinney, TX. Tue Aug 25 2026

Plexidor's exclusive k9 composite *tm panels are saloon style and do not require costly replacement flaps. The hardened aluminum frame colors coordinate beautifully with your appliances, interior walls, or hardwood floors. Choose from silver, white, or bronze. Each plexiform includes a cylinder lock, key, and steel security plate (not included with pd door sm or pd wall sm). The door can be locked every night and the steel security plate can be attached while you're away for an extended period of time. Plexidor performance pet doors are extremely energy efficient. Each time you open the door to let your dog out, your heating and cooling escapes. Installing a plexiform dog door can save you money! On average, homeowners have reported an annual savings of 10% off their energy bill. Plexidor wall units can be installed into stud, brick, block, or cement walls up to 12'' thick. Each wall unit includes an aluminum tunnel that connects the interior and exterior frame. The tunnel materials ensure a professional fit and finish that provides a quality appearance for your home. The tunnel will not rust, has no sharp edges, and is easy to clean. Plexidor performance pet doors are manufactured in the USA and come with a 5-year limited residential warranty. Need help finding a local installer?

Luv this door! Great quality and comes with everything you need for installation! Minus hand tools obviously... George. Austin, TX. Thu Oct 05 2017

Flap Pet Door, Take Care of Your Pet:This flap pet door features a metal frame and PVC flaps with magnetic strips. It has a stable structure and provides sealing protection. The unique rotating hinge design allows pets to enter and exit freely. Its simple and beautiful design is suitable for various home styles.

Great. Mehran. Los Angeles, CA. Wed Sep 30 2026

Dog Door for Sliding Glass Door:The flap features premium metal hinges that resist warping and sagging over time for lasting durability. The adjustable height design fits a wide range of door sizes, making installation easy for most homes. Ready to upgrade your pet-friendly home?

Flap Pet Door, Take Care of Your Pet:This flap pet door features a metal frame and PVC flaps with magnetic strips. It has a stable structure and provides sealing protection. The unique rotating hinge design allows pets to enter and exit freely. Its simple and beautiful design is suitable for various home styles.

Installing right now…very easy because the wall is new construction. There are two magnetic flaps, not three. The materials are very solid and I think it is going to perform well anyway. Perfect size for my 18 lb dachshund.. Ginny. WV. Wed Aug 19 2026

Give Your Pet the Freedom to Come and Go:Let your pet move easily between your home and garden anytime. This pet door features smooth and lightweight flaps. A well-sealed design helps block out wind, rain, and dust, while the sturdy construction supports everyday use. Available in multiple sizes, it is a practical choice for homes with pets of different shapes and sizes.

3-Flap Dog Door, Large Doggy Door for Wall, Never Rust Plastic Wall Dog Door, Telescoping Tunnel, Magnetic Flaps, Insulation Flap, Closing Panel, Pet Door for Pets Up to 100 Pounds

Nice looking - will not install until Sunday. Janet. Sat May 16 2026

Give Your Pet the Freedom to Come and Go:Let your pet move easily between your home and garden anytime. This pet door features smooth and lightweight flaps. A well-sealed design helps block out wind, rain, and dust, while the sturdy construction supports everyday use. Available in multiple sizes, it is a practical choice for homes with pets of different shapes and sizes.

Pet Door for Easy Access: This versatile pet door accommodates pets of various sizes. With its durable aluminum alloy frame and PVC flap, it provides excellent waterproof and windproof protection. Your pet can enter and exit freely, bringing convenience and peace of mind to your daily life.

Plexidor dog doors are chew-proof – guaranteed. We have applied many of the features from our commercial kennel doors used by the military and police worldwide to bring you a virtually indestructible dog door. Plexidor's hardened acrylic panels are saloon style and do not require costly replacement flaps. The hardened aluminum frames coordinate beautifully with your appliances, interior walls, or hardwood floors. Each Plexidor includes a cylinder lock, key, and steel security plate. The door can be locked every night and the steel security plate can be attached while you're away for an extended period of time. Plexidor performance pet doors are extremely energy efficient. Each time you open the door to let your dog out, your heating and cooling escapes. Installing a Plexidor dog door can save you money! On average, homeowners have reported an annual savings of 10% off their energy bill. Plexidor performance pet doors are manufactured in the USA and come with 5 years limited residential warranty. Need help to find a local installer?

Quality door. Our dogs learned to use it very quickly.. Kim. Tomball, TX. Mon Aug 16 2021

3-Minute Damage-Free Installation: This window pet door allows your pet to come and go independently, eliminating the need to open doors for them. It is easy to set up without damaging walls or windows—ideal for renters or anyone wanting to preserve their home’s appearance.

Dog Door for Sliding Glass Door:The low threshold is ideal for Chihuahuas, teacup dogs, kittens, and older pets with limited mobility, making it easy to step through. Built with premium metal hinges that resist warping and sagging for long-lasting use. Ready to upgrade your pet-friendly home?

Give large dogs the freedom to move while helping protect your home’s comfort with this heavy-duty 3-flap dog door. Built with a reinforced steel and aluminum alloy frame, this pet door offers excellent durability, rust resistance, and long-term reliability. The insulated three-flap system helps reduce drafts and block outdoor temperatures, while the included metal sliding lock panel provides added security when the door is not in use. Designed for installation in wood, PVC, and metal doors, it is suitable for large pets up to 100 lbs.

Adjustable sliding glass dog door insert with 11.4"-16.9" width fit for standard sliding doors. Features multi-size pet flap for cats and small dogs up to 33 lbs, windproof magnetic sealed flap and secure slide lock for safety. No-tool damage-free DIY install, renter-friendly and fully removable. Preserves full sliding door function for home daily pet access.

This patio dog door insert is a miracle worker. The dogs love it and we love it. Very easy to install and works great.. Mario. Dallas, TX. Thu Oct 22 2026