I purchased this pet dog door for sliding glass door screen specifically because of the 2 flaps, thinking that they would help keep the cold air from blowing in the house all winter. And they would do a great job of that if the flaps actually closed after my dog and cats went through the door
1.PetSafe New Wall Entry Dog and Cat Door – Pet Door with Telescoping Tunnel

your dog door for sliding glass door screen the independence to go outside on their own. The PetSafe Wall Entry Pet Door is great for homes where installation to an entry or side door is not practical. This unique wall entry door can be installed in all types of siding, stucco and brick, making it one of the best wall mount dog doors on the market.
The telescoping tunnel allows for installation into walls that are 4.75″ to 7.25″ thick. For extra thick walls that extend beyond 7.25”, there are extension kits sold separately that will enable the door to extend further. The double insert flap design helps keep out weather and provides energy efficiency. A slide in closing panel adds extra insulation and lets you control your pet’s access outside. This do it yourself project includes a cut out template and step by step instructions. Recommended for pets up to 100 pounds.
2. PetSafe Extreme Weather Door

PetSafe Extreme Weather Pet Door allows your dog or cat to go in and out without the hassle of constantly having to open the door. In hot or cold climates, this pet door helps save energy while giving your dog or cat his freedom. Our 3-flap pet door keeps extreme hot and cold out of your home. The PetSafe Extreme Weather Pet Door has a maximum energy efficiency that is 3.5 times higher than our standard single-flap pet doors, making it perfect for extreme hot and cold climates.
3. PERFECT PET The All-Weather Energy Efficient Dog Door

you live and work in the great plains or north where the temperature plummets, or in the south- east or west where summer is endless, the cost of energy has sky rocketed. So, either heating or cooling the back yard with an old fashioned pet door just won’t do anymore. In some cases the energy waste is like opening and closing the door itself 4 or 5 times a day.
The all-weather door’s air pocket between 2 soft flaps, making it a great energy efficient insulator is the answer. The all weather series in small, medium, extra large and super large are designed to give an air pocket of up to 3-inch between the 2 flaps in a door installation. And with the available wall tunnel kit,
4. Ideal Pet Products Designer Series Ruff-Weather Pet Door with Telescoping Frame

Whether you live and work in the Great Plains or North where the temperature plummets, or in the Southeast or West where Summer is endless, the cost of energy has sky rocketed. So, either heating or cooling the back yard with an old fashioned pet door just won’t do anymore. In some cases the energy waste is like opening and closing the door itself 4 or 5 times a day.
Ideal Pet has the answer with The Designer Series Ruff-Weather Door’s air pocket between 2 soft flaps, making it a great energy efficient insulator. The Designer Series Ruff-Weather series in Small, Medium, Extra Large and Super Large are designed to give an air pocket of up to 3 inches between the 2 flaps in a door installation. And with the available wall tunnel kit, an air pocket of up to 9 inches.
5. Ideal Pet Products Designer Series Ruff-Weather Pet Door with Telescoping Frame

the Great Plains or North where the temperature plummets, or in the South-east or West where Summer is endless, the cost of energy has sky rocketed. So, either heating or cooling the back yard with an old fashioned pet door just won’t do anymore. In some cases the energy waste is like opening and closing the door itself 4 or 5 times a day.
Ideal Pet has the answer with The Designer Series Ruff-Weather Door’s air pocket between 2 soft flaps, making it a great energy efficient insulator. The Designer Series Ruff-Weather series in Small, Medium, Extra Large and Super Large are designed to give an air pocket of up to 3 inches between the 2 flaps in a dog door for sliding glass door screen installation. And with the available wall tunnel kit, an air pocket of up to 9 inches.
6. PetSafe Electronic SmartDoor – Collar Activated Dog and Cat Door – Small to Large Pets

your furry friends come and go with the PetSafe Electronic SmartDoor. Never worry about uninvited guests sneaking in because the flap only locks and unlocks when it senses the SmartKey on your pet’s ID collar. Easily program your pet’s entry and exit with the automatic setting. You can also set the door to be fully locked or fully unlocked. The SmartDoor is great for multi-pet households because it works with up to 5 different SmartKeys that you can customize for each pet (one programmed SmartKey is included). Installation is a simple do-it-yourself project. The door fits into standard-size paneled, wood, metal and PVC doors 1 ½ in – 2 in thick. Once installed you can program the electronic door in minutes
7. PetSafe Extreme Weather Dog and Cat Door – Aluminum or Plastic Pet Door – Small, Medium, Large and X-Large

PetSafe Extreme Weather Pet Door allows your dog or cat to go in and out without the hassle of constantly having to open the door. In hot or cold climates, this pet door helps save energy while giving your dog or cat his freedom. Our 3-flap pet door keeps extreme hot and cold out of your home. The PetSafe Extreme Weather Pet Door has a maximum energy efficiency that is 3.5 times higher than our standard single-flap pet doors, making it perfect for extreme hot
8. PetSafe Extreme Weather Dog and Cat Door – Aluminum or Plastic Pet Door – Small, Medium, Large and X-Large

PetSafe Extreme Weather Aluminum Pet Door will keep your home energy efficient in any climate. The unique 3-flap system is adjustable, flexible and has a magnetic seal to keep the weather outside where it belongs. For added protection, the center flap is fully insulated. The metal frame has reinforced aluminum corners and is built to handle active and multi-pet households. Use the slide-in closing panel to control your pet’s access outside and keep stray animals out of your home. The door easily fits into paneled, wood, PVC and metal doors 1 ½ in – 2 in thick and installation is a DIY project. Choose from 3 sizes for pets up to 220 pounds
9. Dog and Cat Door – Aluminum or Plastic Pet Door – Small, Medium, Large and X-Large

PetSafe Extreme Weather Aluminum Pet Door will keep your home energy efficient in any climate. The unique 3-flap system is adjustable, flexible and has a magnetic seal to keep the weather outside where it belongs. For added protection, the center flap is fully insulated. The metal frame has reinforced aluminum corners and is built to handle active and multi-pet households. Use the slide-in closing panel to control your pet’s access outside and keep stray animals out of your home. The door easily fits into paneled, wood, PVC and metal doors 1 ½ in – 2 in thick and installation is a DIY project. Choose from 3 sizes for pets up to 220 pounds. PetSafe brand is here to help you and your pet LIVE HAPPY
10. Dog door for sliding glass door screen Aluminum or Plastic Pet Door – Small, Medium, Large and X-Large

PetSafe Extreme Weather Pet Door allows your dog or cat to go in and out without the hassle of constantly having to open the door. In hot or cold climates, this pet door helps save energy while giving your dog or cat his freedom. Our 3 flap pet door keeps extreme hot and cold out of your home. The PetSafe Extreme Weather Pet Door has a maximum energy efficiency that is 3.5 times higher than our standard single flap pet doors, making it perfect for extreme hot and cold climates
In hot or cold climates, the PetSafe Extreme Weather Pet Door is our most heavily insulated, energy efficient door using a 3-flap system. Save energy while giving your pet the freedom to go in and out on their own time. Let your pet choose when it’s bathroom time or time to play, so you and your pet can live happy together.
To find the right place for the pet door dog door for sliding glass door screen , mark your pet’s shoulder height on the door, then use the provided template to trace the outline of the door