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  • Heavy Duty Dog Door, Medium / Large

Heavy Duty Dog Door, Medium / Large

by Gun Dog House Door Company Item #: 1127001-10001
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Durable and Energy Efficient Dog Door
In stock
This Item Ships Directly from the Manufacturer
Showcase the unparalleled durability and energy efficiency of the Heavy Duty Dog Door by Gun Dog House Door Company. Designed specifically for medium and large dogs, this door is guaranteed to withstand the rigors of all types of kennels - professional gun dog kennels, boarding kennels, or amateur kennels. The robust construction features a die-cast aluminum frame, 1/4" clear Plexiglas, and heavy-duty hinges, making it the best dog door on the market for metal buildings, walls, and dog houses.

This door stands out among the competition as the only two-way dog door with 'special' heavy-duty spring-loaded hinges that provide a positive weather seal. Upon your dog's exit, the entire assembly opens up about the mounting bar's hinges. When the dog returns, only the acrylic panel tactfully passes through the wall/door, using the hinges attached to the panel, allowing your dog back inside, and keeping the cold air out in winter and the insects out in summer.

The Heavy Duty Dog Door is not only energy efficient, but it is also chew-proof, ensuring long-lasting durability. It also provides an easy-to-install solution, making it the best choice for your kennel door or gun dog door.

Choose the Heavy Duty Dog Door by Gun Dog House Door Company, for a secure, comfortable, and energy-efficient solution for your dog's entry and exit needs.

Chew Proof / Indestructible -

Developed by a Gun Dog Kennel owner/retriever trainer, Black lab tested for more than 20 years.

Energy Conservation / Insect Protection -

This door closes tighter than all other kennel doors due to the heavy-duty spring hinges specially designed for commercial use and abuse.

Easy To Install -

Only two 1-1/2-inch screws are needed.

The 12-1/2" x 17-1/2" opening of the Heavy Duty Dog Door is large enough for a dog over 120 pounds and the door swings easily enough to be operated by even 7-week black lab puppies.


Door Frame Size: 14" x 20"

Door Opening Size: 12-1/2" x 17-1/2"


* Frame: 3/16" heavy duty welded aluminum.
* Door: ¼” Clear Acrylic Chew-Proof Panel
* Hinges: 2 Pair Heavy Duty Spring Hinges
* Weight: 5.5 lbs. (Heavy Duty Dog Door)


Easy to Install:

*Hardware included with metal dog door: Only 2 Screws needed
*Rough Opening Size Required:12 1/2" x 17 1/2" opening (NOTE: if using with the Gun Dog House Door Trim Kit, follow that opening size requirement of 13-1/4" x 18-1/4")

Where to create the Opening:

*Measure the distance from the ground to the lowest part of the dog's chest
*Subtract 2"
*This is where the opening will start and go up 17-1/2" from here.


Special Warranty - "Lifetime Warranty"

GUN DOG HOUSE DOOR COMPANY warrants this product to be free of defects for the life of your dog. (That includes chewing!)

Made in the USA
  • Weather Tight
  • Chew Proof
  • Indestructible
  • Energy Efficient
  • Easy to Install
  • Fits Dogs up to 120 lbs

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Heavy Duty Dog Door, Medium / Large Q&A

What material is used for the door frame?
3/16-inch heavy duty welded aluminum.
What type of panel is used in this door?
Clear Acrylic Chew-Proof Panel.
How easy is it to install this door?
Only two 1-1/2-inch screws are needed for installation.
Is the Heavy Duty Dog Door energy efficient?
Yes, it is designed for energy conservation and insect protection.
How does this door handle insect issues?
The tight weather seal prevents insects from entering the kennel.
What size dog is this door suitable for?
It has a large door opening for dogs over 120 pounds.
Is the door chew proof?
Yes, the panel is made of chew-proof acrylic material.
What are the door frame dimensions?
The door frame size is 14x20 inches.
What are the door opening dimensions?
The door opening size is 12.5x17.5 inches.
What kind of kennels is this door suitable for?
It's suitable for professional gun dog kennels, boarding kennels, and amateur kennels.

Item Specifications

MaterialDie-cast aluminum frame, 1/4" Clear Plexiglas
HingesHeavy-duty spring-loaded hinges
FeaturesChew-proof, Indestructible, Energy Conservation, Insect protection
InstallationEasy to install with only two 1-1/2-inch screws needed
Door Frame Size14" x 20"
Door Opening Size12-1/2" x 17-1/2"
Weight5.5 lbs
Opening Size Required12-1/2" x 17-1/2"
Special WarrantyLifetime Warranty
Made inUSA
Suitable for Dogs up to120 lbs

Heavy Duty Dog Door: A Durable and Energy Efficient Solution for Your Kennel

Introducing the Heavy Duty Dog Door - the ideal solution for dog owners who seek a tough, durable, and energy-efficient dog door. Specially designed to withstand the rigors of various professional kennels, this door is perfect for gun dog, boarding, and amateur kennels alike.

Featuring a die-cast aluminum frame and a 1/4-inch clear Plexiglas panel, this door utilizes heavy-duty spring-loaded hinges that provide a tight weather seal, keeping your kennel comfortable, safe, and energy-efficient. The Heavy Duty Dog Door is the only two-way door that's specifically designed for commercial use, allowing for easy access to both indoor and outdoor spaces.

This dog door is chew-proof, indestructible, and has been tested by a Black Lab for over 20 years. Its unique design ensures energy conservation and insect protection. Installation is a breeze - only two screws are needed to attach the door to your kennel, making it incredibly user-friendly.

With the Heavy Duty Dog Door's dimensions, even dogs up to 120 pounds can comfortably use the door, and the door swings easily enough for a 7-week old black lab puppy to operate it with no issues. Invest in this Heavy Duty Dog Door for the perfect balance of durability, usability, and energy efficiency in your kennel.

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