Fast U.S. Shipping & Lifetime Warranty

Custom Endura Flap Thermo Panel 3e

Regular price
Sale price
Unit price
Dark Bronze/Black
Brushed Aluminum

  • Durable aluminum frameáand pet door made to withstand extreme climates ranging in width from 11.25 -17.25 inches
  • Removable panel with built-in dog door fits into sliding glass door track
  • Low-E glass improves energy efficiency
  • Adjustable heights and custom sizing to fit all sliding glass doors
  • Four to sixáweeks to complete build of customer pet door
  • Custom orders are made to your specifications and are non-returnable
  • If your track height falls into one of these ranges: 77.25" - 80.25", 74.75" - 77.75" or 93.25" - 96.25", you can order a pre-built one from this page
  • We'll need more information to complete your order. In your Order Confirmation email there is an Orange button with "Finish Your Order".á Click on it to enter to answer questions to finish your order. Thank you!

Product Details

The Endura FlapáThermo Panel 3e is a highly insulated dog door for sliding glass doors that fits into your existing track. This removable panel does not require tools for installation, as the spring-loaded design safely secures?áit in place without permanent alterations. Engineered with Low-E glass, and a polyolefin polymer flap that magnetically seals, the Thermo Panel 3e provides supreme insulation and energy efficiency. Withstanding extreme temperatures as low as -40 degrees Fahrenheit, the thermal quality of the Endura FlapáPatio Panel is engineered to prevent heating and cooling loss common among other patio panels. The built-in doggie door will grant your pets the freedom they crave while simultaneously saving on energy bills.á


  • Pet flaps range from Small to Extra Large
  • Patio Panel comes in three height ranges to accommodate common sliding glass door sizes
  • Custom height ranges available by special order
  • Heavy-duty aluminum frame designed for sliding glass door tracks at least 1?ǥ thick
  • Low-E glass minimizes the amount of infrared & ultraviolet light coming through the glass without minimizing the amount of light entering the room
  • Environmentally-friendly polyolefin polymer flap remains flexible and usable in temperatures as low as -40 degrees Fahrenheit
  • Magnetic closure on three sides of the flap enhance storm and wind resistance.
  • Durable and secure locking cover included
  • C-Clamp Lock included for to lock the slider into the door frame or a?áCharley Bar?ácan be purchased separately
  • Designed and engineered in the USA



  • Easy installation with spring-loaded design allows you to remove the panel easily if need be
  • Included locking cover allows you to block access when needed
  • Structurally sound design is built to last so you don't have to spend a fortune on replacement flaps

Customer Reviews

Custom Endura Flap Thermo Panel 3e

Small / Custom Height Under 74.75" / White Edit

white framed Endura Flap Thermo Panel 3e with durable sliding locking cover

Installation Instructions

Customer Reviews

Lifetime Warranty
Fast Shipping
100% Secure Checkout
Easy Returns