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SB72 | Insulating Dog Door for Walls

The SB72 is a more durable, rugged version of the popular MaxSeal pet doors by Security Boss. They are the best sealing and insulating doors on the market, as well as the most secure when locked. These are the best pet doors by design. Only the finest materials are use in the manufacture of the SB72 doors by Security Boss Manufacturing LLC. These doors are designed to be maintained forever. This is the last pet door you will need to purchase for your dog. All components are manufactured so that the customer can easily replace, upgrade, or maintain all the main components. The structural integrity of the door and security panel are protected under warranty so that you will always have a superior performing product for the life of your dog. All Security Boss products are hand built to order.

This model features an insulated rigid flap that is clad on both sides with aluminum and reinforced with rugged aluminum framing channel. The quiet swing action makes this ideal for use in your home. The exterior flap has been designed to perform in harsh or extreme environments. The door components are all high grade aluminum that is naturally rust resistant. The heavy duty internal hinge is stainless steel, housed in custom brass bushings. Our insulated flap is comprised of an inner polycarbonate, air cell center that is clad in aluminum, and reinforced with customized framing on all sides. Embedded rare earth magnets along the bottom of the flap and bottom framing align to provide for positive closing every time. Replaceable weather stripping lines all sides of the swing door frame. The swing motion of the door is easy to use by dogs and settles into place... silently.

Security Boss is setting the standard for pet doors in terms of pet door quality. Customers can customize their door with several options that make each pet door unique for their home. Whether it be the direction the security panel loads, the color options, high wind accessory magnets for very challenging environments or the option to get a door that will accommodate an aging pet with arthritis, Security Boss offers our customers the most flexibility and the best performing product in the shortest amount of time.

The wall mount will fit any wall thickness from 2" to 10" with the included aluminum tunnel and carpet lining. This is designed to be trimmed to fit your exact wall thickness. If your wall is thicker than 10 inches, please select the 16" tunnel instead when placing your order.

SB72W Model Size and Dimensional Data

Flap Size
Exterior Frame
(w x h)
Price (10" Tunnel) Price (16" Tunnel)
9" x 12"
11 1/8" x 13 13/16" 12 3/8 x 15 1/16" $355.99 $386.99
11" x 16"
13 1/8" x 17 13/16" 14 3/8 x 19 1/16" $434.99 $469.99
11" x 20"
13 1/8" x 21 13/16" 14 3/8 x 23 1/16 $489.99 $521.99
Wide Tall
15" x 20"
17 1/8" x 21 13/16" 18 3/8 x 23 1/16" $648.99 $686.99
15" x 24"
17 1/8" x 25 13/16" 18 3/8 x 27 1/16 $675.99 $724.99

Note: The Black Security Panel has a Black interior as shown above, the exterior is white to reflect sunlight and heat.
The White Security Panel is White on both sides.

We suggest that when pre-cutting the rough for any pet door, that you add at least an 1/8" to the width and height to allow for easy fitting. Some Rough cuts are more precise and may fit tighter if the hole is not completely true.We always recommend that the door is on hand prior to cutting. We will not be responsible for re-fitting after the fact.

heavy duty insulating wall mounted pet door

Security Boss

Pricing Starts at: $355.99