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The most common dog doors are made of aluminum. These make an excellent choice not only for dogs but also for their families. These doors are durable and can be fitted to exterior doors with a maximum thickness of two inches. High-end models are made of durable plastic with a hardy aluminum lining. The latter protects the inside of the house from bad weather. The door is adequately robust to keep non-dog pets (like cats) from coming in. The aluminum doors are available in four sizes. Each size comes with a hardy vinyl flap which has a magnetic enclosure. This secures the entryway. You should go for the smaller dog door if your canine is a small one, typically weighing a maximum of 15 pounds. The largest dog door allows canines up to 220 pounds. It is recommended that you do not buy blindly. Measure your dog's shoulder length to understand which door to buy. You can install it yourself or ask the selling company to do it for you.
If you can extend your budget, it is a good idea to go for electronic doors. This is ideal if you do not want your dog to bring its friend along to the house. A sensor triggers this door. Your dog will wear a lithium powered collar that will open the door and allow your dog to do its business. The directional operation technology means the door opens only when the dog directly approaches it. It will not open if the dog is merely ambling or sleeping nearby. The door allows dogs up to 100 pounds to pass through. It measures 12" x 16" and you hold the power of four-way access control. You can select between out-only, in-only and both ways. You can also fully lock the door. It is recommended that you go for automatic doors despite the higher price as the product is fully worth it.
Aluminum patio doors
If your external door is made of sliding glass, then it is better to install the aluminum patio door. This product can be easily installed and works by fitting into the existing track. The available options for such doors are either 81" or 96" in height. When it comes to width, four options are available. This ranges from small size to X-large. Buy one as per your dog size. You can choose between multiple colors like bronze, satin, or white. This enables the pet door to become indistinguishable from the rest of the house. The aluminum frame also does an excellent job of keeping away the bad weather. If you live in colder climates, then framed pet doors are ideal.