Extreme Weather Sliding Glass Dog Door, Double Pane Glass & 3-Flap Insulation for Winter, Fits 76" to 80 11/16", Energy Efficient for Large Dogs up to 100 lbs (L)

The AIDAY large sliding glass dog door blends tough performance with pet-friendly design. Its double-pane tempered glass + triple-flap system blocks cold drafts, cuts energy costs, and stands up to harsh winters. Sized for dogs up to 100 lbs (10" W x 16 5/16" H flap), it lets pets move freely while keeping your home secure. Adjustable (76"–80 11/16" height, 13.4" width) for patios/villas, it installs in sliding tracks with no cutting/drilling—perfect for rentals. Crafted from premium all-metal, it’s built to last, and we’re here for any installation help you need.

• Ultimate Extreme Weather Insulation: Don’t let cold drafts in. The AIDAY large dog door for sliding glass door features double-pane tempered glass combined with a heavy-duty triple-flap system. This creates a powerful thermal barrier that blocks freezing winds, prevents frost buildup, and keeps your energy costs down, even in the harshest winters.
• Spacious Freedom for Large Breeds: Aiday large dog door for sliding glass door is designed for dogs up to 100 lbs. The generous 10" W x 16 5/16" H flap opening provides a stress-free passage, allowing your furry family members to come and go comfortably without squeezing through. Give them the freedom they deserve while keeping your home secure.
• Adjustable Height: The AIDAY large sliding glass dog door adjusts from 76" to 80 11/16" in height, and fits a 13.4" wide frame. Ideal for patios and villas—simply measure the distance from the top track to the inner bottom track of your aluminum sliding door to ensure a perfect fit.
• No-cut, Tool-Free Installation: The AIDAY large sliding glass dog door fits directly into sliding glass door tracks—no cutting, drilling, or permanent modifications. Ideal for rentals and apartments, it lets pets come and go freely without damaging your door.
• Built to Last & Pet-Friendly: Crafted from premium all-metal materials, the AIDAY large sliding glass dog door is built to withstand daily wear and tear from energetic dogs. We stand behind our quality.if you have any installation questions or need assistance, we’re here to help.