PETCOMING All-Aluminum Dog Door — 3 Flaps, Insulated, Up to 110 lb

Overview

Meet the PETCOMING Dog Door for Door, a rugged, all-aluminum entryway solution engineered for households with active pets. Designed with three flaps and an insulation flap tucked between two main panels, it helps maintain indoor warmth while letting your dog explore safely. The built-in telescoping tunnel adapts to a range of door or wall thicknesses, giving you flexibility without compromising on sturdiness or style.

Key Benefits

• Insulation + Three Flaps: An insulation flap sits between two primary flaps, helping reduce drafts while your pet passes through. Magnetic strips on the flaps and dust strips on the frame work together to keep outdoor air, dust, and small insects from sneaking in.
• All-Aluminum Construction: A selected aluminum alloy provides robust durability, strong structural stability, and excellent resistance to deformation, rust, and corrosion. The finish is designed to stay intact even with heavy daily use.
• Size and Fit for Larger Pets: A roomy 18.7 x 9.92 inch flap opening is paired with adjustable channels to fit doors or walls 1.26 to 2.08 inches thick, making it suitable for large dogs up to 110 pounds.

• Security When You’re Away: A closing panel and a sturdy aluminum lock provide reliable durability, allowing you to secure the opening whenever you need to restrict access.
• Easy Installation: Comprehensive setup guidance is included—watch the installation video or use the manual to complete mounting on doors or walls with compatible dimensions.

Real-Life Use Scenarios

Imagine your dog stepping through the doorway on a crisp morning, the insulating flap catching just enough airflow to keep the indoor space comfortable. When you’re preparing the house for the evening, you can slide the closing panel into place, maintaining security without having to manually supervise every exit. The telescoping tunnel makes it feasible to install in doors or interior walls, providing a clean, seamless transition that blends with home décor while withstanding heavy use from energetic pets.

What You Get

• All-aluminum body for durability and resistance to rust
• 3-flap design with insulation between the flaps
• Telescoping tunnel for flexible installation
• Closing panel and locking mechanism for added security
• Guides and video for quick, confident setup