PlexiDor Sliding Glass or French Door Dog Door Insert with Insulated Pet Panel

Insulated Glass Dog Door Insert for Luxury Homes 

The PlexiDor Sliding Door Series is a premium insulated sliding glass dog door insert designed to replace the existing glass panel in your patio slider or French Door window. This custom dog door for sliding glass doors uses tempered IGU insulated glass, a heavy duty aluminum frame, and PlexiDor’s signature saloon style acrylic panels to create a secure and energy efficient pet door solution that performs in hot climates and cold climates. It installs with no cutting and provides a rental friendly, removable option for homeowners who want a sliding glass dog door insert built for long term durability and architectural quality.

Why We Love It

This insulated sliding glass dog door insert solves the biggest challenges families face with traditional pet doors. The IGU insulated glass reduces energy loss in extreme temperatures. The saloon style panels are shatter resistant and operate quietly without the wear of vinyl flaps. The locking security plate adds protection for homes that need a secure sliding glass dog door with a built in safety barrier. It is ideal for large breeds up to 220 lbs and fits most standard patio sliders. Every detail reflects craftsmanship, weather performance, and long term reliability. Find out why we trust Plexidor.

Key Features

• Insulated IGU tempered glass for superior climate control
• Low E glass option for hot or cold climate performance
• No cut installation replaces your existing glass panel
• Heavy duty aluminum frame dog door insert
• Shatter resistant acrylic saloon panels
• Weather sealed perimeter reduces drafts and heat loss
• Locking security plate for added home protection
• Custom fit for most sliding glass patio doors
• Available in Medium, Large, and XL for dogs up to 220 lbs
• Rental friendly and removable for seasonal or temporary use
• Smooth and quiet operation for multi pet homes

Technical Specifications

• Glass: Tempered insulated IGU
• Optional: Low E insulated glass
• Frame: Architectural grade aluminum
• Panels: Shatter resistant acrylic saloon panels
• Climate rating: Hot climates and cold climates
• Security: Keyed lock and steel security plate
• Sizes: Medium, Large, Extra Large
• Weight capacity: Up to 220 lbs
• Fit: Standard sliding glass door tracks
• Finishes: White, Bronze, Brushed Aluminum

Installation

The Sliding Door Series installs by replacing the existing glass panel in your sliding patio door. A professional glazier removes the original glass and installs the insulated dog door insert in its place. No cutting into walls or doors. No structural changes. This creates a clean, weather sealed, energy efficient installation that looks like a built in sliding glass dog door. It is ideal for homeowners, renters, and families who want a removable sliding glass dog door insert without compromising aesthetics or performance.

We recommend a professional glass installer.

Warranty

• 10 year manufacturer warranty on frame and saloon panels
• 5 year warranty on insulated glass
• Engineered for long term durability in multi pet homes

Ideal For

• Homes with sliding glass patio or French doors
• Families who want a no cut dog door solution
• Renters who need a removable pet door insert
• Large breed dogs up to 220 lbs
• Hot or cold climate regions
• Energy efficient homes
• Luxury homes where aesthetics matter

Installation

Templates and instructions are available to aid you in the installation. 

Q&A

Everything You Need to Know About Sliding Glass or French Door Dog Door Inserts

Q: Can I install this myself?

A: No — the insert requires a professional glass installer. Installation is quick and clean. 

If you are looking for professional help, we recommend a local glass company. You can use a website like https://www.thumbtack.com/ to find local glass installer companies and see reviews.

Q: Will this damage my sliding glass or French door?

A: No. Your original glass is removed intact and can be reinstalled later.

Q: Is it energy-efficient?

A: Yes. The insulated glass and industrial weather seal outperform many traditional flap doors.

Q: Does it work for large dogs?

A: Absolutely. The XL size supports dogs up to 220 lbs.

Q: Can I lock the dog door?

A: Yes. It includes a cylinder lock and steel security plate.

Q: What if I move?

A: Reinstall your original glass and take the PlexiDor insert with you.

Q: Is Low-E glass worth it?

A: If your door gets direct sunlight, Low-E glass can dramatically improve comfort and energy efficiency.