Buying a pet door for a sliding door that fits a giant breed of dog can be a tricky business. There are many issues to overcome, such as finding a door big enough, security, the physical size of the door itself can prevent people from using the door, etc. I'm going to show options, pros and cons, and other relevant info for the doggy doors and other products that we carry as of July 5, 2016.
Giant Breed Dog Door - Chronicle Forums
Usually, there are not doors specifically made for dogs or for cats, but the size of the opening through which the pet moves determines the size and type of door an owner can install. Smaller doors work for cats and petite pooches. Larger doors are more geared toward medium, large and giant-sized dogs.
Screen Dog Doors for Large Dogs | Pet Door Store
We recommend measuring your dog based on the instructions on this page:
Our largest sized pet door would be the Hale Giant, which you can get for doors, walls, screens, sliding glass doors or windows:
Jul 12, 2016 - Screen pet door for a giant breed dog