Description
Endura Flap Thermo 3E Insulated Patio Pet Door for Sliding Doors
Single and Dual Pane Glass Options | Pocketed insulating flap | Sliding Glass Pet Doors | Fully Lockable | Aluminum
Superior Weather Barrier and Easy Installation
Single Paned Thermo 3E Patio Panel Features
- Aluminum framed, insulated dog door for sliding glass doors with widths from 11 1/4″ to 17 1/4″ inches
- Enhances energy efficiency construction
- Adjustable heights and custom sizes for the perfect fit
- Easy, semi-permanent installation perfect for renters or vacation homes
- Secure steel-grade locking cover for added safety and control
- Prefer dual pane glass? See below.
Dual Paned Thermo 3E Patio Panel Insert Features
- Insulated dog door for sliding glass doors with widths from 11-1/4″to 17-1/4″
- 1/2″ clear, insulated, dual pane Low E safety glass for max energy efficiency
- Energy-efficient flap withstands extreme weather and winds up to 50 mph
- Easy, removable installation without permanent alterations, perfect for renters
- Adjustable height and available in white, black, and brushed aluminum
Pet door Sizes, Step Over (area below pet door), panel width, and pet sizing
Flap Size | Flap Dimension | Step Over Range | Overall Panel Width | Recommended Pet Height |
---|---|---|---|---|
Small | 6″ w x 11″ h | 3″ – 4-1/2″ (ships at 3″) | 10-3/16″ | 9″ – 15″ |
Medium | 8″ w x 15″ h | 3″ – 4-1/2″ (ships at 3″) | 12-1/4″ | 9″ – 20″ |
Large | 10″ w x 19″ h | 3″ – 6″ (ships at 4-1/2″) | 14-1/4″ | 9″ – 26″ |
Extra Large | 12″ w x 23″ h | 3″ – 6″ (ships at 4-1/2″) | 16-3/8″ | 9″ – 31″ |
XX Large | 14″ w x 27″ h | 3″ – 7.5″ (ships at 6″) | 18-3/8″ | 9″ – 36″ |

Product Details
- Premium design:Â The Endura Flap Dual Pane Glass Thermo Panel 3e is a high-quality dog door, specifically crafted for aluminum sliding glass doors
- Energy efficiency: Two choices, the single paned glass for milder climates, and the dual paned for climates that experience severe weather
- Weather resistant: The energy-efficient flap remains flexible in temperatures from -40°F to 110°F and resists winds up to 50 mph
- Simple installation:Â The spring-loaded top allows for easy installation and removal, making it ideal for renters or vacation homes
- Versatile fit:Â Designed to fit most sliding glass doors with a track width minimum of 1″, and adjustable height for a perfect fit
- Secure and safe: Locking cover and C-Clamp lock provide added security, ensuring peace of mind for you and your pet
- Customizable:Â Available in white, black, and brushed aluminum to suit your home’s interior design, with custom sizing options available. Contact customer support for panels over 106″ tall (shipping overages may apply)
- Durable materials:Â Constructed with an architectural extruded aluminum frame and a polyolefin polymer flap for long-lasting performance
- Comfort for your pet: The adjustable step-over height can be tailored to your pet’s size for comfortable entry and exit
- Positive feedback:Â Highly praised for its ease of installation, energy efficiency, and ability to withstand various weather conditions
- Long-lasting quality: The sturdy design, including a flap that rotates on a rod, ensures durability and reduced wear and tear
- Made in the USA:Â Designed and engineered in the United States, ensuring top-quality construction and performance
Warranty
Endura Flap products have a lifetime warranty against defects in materials and workmanship under standard regular use. Endura Flap® Pet Doors Are 100% Designed, Engineered, and Manufactured in the USA. They are handmade for quality work in San Luis Obispo, California.Â
We will replace any defective parts at no cost to you. Defective parts may include incorrectly sized flaps, bent or dented frames, or improperly fitted parts.
Customers living outside of the continental United States are responsible for shipping costs as well as duties and taxes (if applicable) for any replacement parts or services covered under the warranty policy regardless of the replacement part or service’s original cost. Â
Important Note:
- Endura Flap® pet doors have a lifetime warranty for normal wear & tear and manufacturing defects (dog-chewing is not covered).
- Damage caused by not using the product as intended, improper installation, and chewing is not covered under this warranty.
- Endura Flap Pet Doors used in a commercial application like a Kennel or Boarding facility have a three year warranty.