When looking for the best dog door for your Border Collie, you’ll first want to know what type of dog door you want, and where you want to install/mount it.
Then you’ll want to consider that Border Collies are a medium sized breed of dog, so you’ll want a dog door with a medium sized opening or flap for them to fit through.
What we’ve done to make things easy for you is provided you with reviews of the best models and brands of dog doors that can fit up to medium and large sized dog breeds.
We’ve also provided other helpful information that should clear up queries you have about the points above.
Without further ado, let’s jump into this guide!
(NOTE: this is a general information guide only, and is not professional advice, or a substitute for professional advice. A qualified vet or animal expert is the only person qualified to give you expert advice in regards to your pet/s)
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Best Dog Doors For Border Collie Dogs & Puppies
Our top picks for the best dog doors for Border Collies are:
Regular Pet Doors
For Installation Into Doors
- PetSafe Plastic Pet Door (on Amazon)
- Ideal Pet Products Designer Series Original Plastic Pet Door (on Chewy)
- Ideal Pet Products Original Plastic Pet Door (on Amazon) – for pets up to around 120lbs, and has a flap size of up to 15 inches wide x 20 Inches high for the biggest model
- BarksBar Plastic Dog Door (on Chewy)
- BarksBar Original Plastic Dog Door (on Amazon) – for pets up to 100lbs, and has a flap size opening of 10.5 inches wide x 15 inches high
- PetSafe Freedom Aluminum Pet Door (on Chewy)
- PetSafe Freedom Aluminium Pet Door (on Amazon) – pet door for door mounting. Biggest size has a 13 3/4″ W x 23 3/4″ H flap opening, for pets up to 220lbs
For Installation Into Walls
- PetSafe Wall Entry Aluminum Pet Door (on Chewy)
- PetSafe Wall Entry Aluminium Pet Door (on Amazon) – pet door for walls. Biggest flap opening size is 10 x 15 inches, for pets up to around 100lbs
- PetSafe Wall Entry PVC Frame (on Amazon)
Other Dog Door Types
If you want to see more dog door options in terms of other dog door types, and dog doors for mounting on different locations, you can read this guide about the best dog doors on the market.
We outline plastic and aluminum dog doors, electronic and automatic dog doors, heavy duty dog doors, secure and lockable dog doors, insulated, weatherproof and energy efficient dog doors for different climates, dog doors for small and extra large dogs, and more.
We also outline dog doors for regular doors, walls, sliding doors, screen doors, window sashes, and more.
Best Dog Door For A Border Collie: Reviews
You can also find individual reviews for each brand and model of dog door listed above here:
Best Dog Door For A Border Collie: Buyer’s Guide
What To Consider When Getting A Dog Door For A Border Collie?
There’s probably three main things you want to consider…
Border Collies are a medium sized breed of dog, so you’ll want a dog door with a medium sized opening or flap that they can fit through
You’ll want to know the type of dog door you want e.g. a weatherproof dog door, a heavy duty dog door, an electronic dog door etc.
You’ll want to know where you want to install the dog door e.g. on a regular door, a wall, a sliding door etc.
What Size Dog Door To Get For A Border Collie Dog Or Puppy?
For any puppy, it’s probably worth waiting until you have an idea of how big they are going to be (at around 12 to 18 months you may be able to get a good idea) before you look at getting a dog door.
Otherwise you’ll buy a dog door smaller than the adult full grown size of your dog.
A full grown Border Collie is usually, on average, a medium sized breed up to about 45lbs in weight, and stands about 19-22 inches at the shoulders/withers in height.
So, you’ll want to be looking at medium to large size models of dog doors for Border Collies that take this into account.
When considering the size of dog door you’ll need to measure your dog/s specifically to determine the exact dog door and dog door size you need.
Dog door manufacturers give you sizing instructions and sizing charts in their product description – so make sure you follow this information in picking a dog door size.
How To Measure A Border Collie For A Dog Door?
The dog door product description provided by the manufacturer should tell you how to measure the dog door for your individual dog/s.
But in general you may measure by:
Measuring the width of the rib cage of your dog (for the width of the dog door opening)
Measuring from the floor to the top of your pet’s shoulders/withers (for the height of the dog door opening)
Compare these measurements to the dimensions of the dog door opening, flaps or interior panels that open to let your dog in and out when picking a dog door.
You may choose to give your dog an inch or two extra room than you think they might need in the size of dog door you pick.
One other small thing to consider is the lip/bottom of the dog door frame and how high it is.
When you mount the dog door, you want to mount it at a height that allows your dog to pass through without tripping over, and so they can lift their legs over the lip.
Border Collies are medium size in weight, but have a decent height at 19-22 inches high at their withers, so, you may consider this as well in your pick.
Where To Find Out More About Dog Doors?
In this guide you can find helpful information like:
The different locations you might mount a dog door
The different types of dog doors
How you might plan to and actually install a dog door
The best dog doors for specific scenarios
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