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MaxSeal IN-Glass Pet Door

Through the Glass Dog Door | Pet Door Model

MaxSeal In Glass dog door Security Boss Manufacturing is proud to introduce the In-Glass pet door for sliding glass doors and full panel glass doors. This model features the same high performance insulating and sealing characteristics as found in the popular wall and door mounted models. This unit is specially made with a low profile exterior frame for installation in a sliding glass door. This dog door can be installed on single pane glass, dual pane glass, triple paned glass as well as commercial grades.

Choose from 10 different sizes and 10 different frame color options. You can even order your interior frame a different color from your exterior frame at no additional charge. You may also choose between the single or dual flap version. The dual flap model will provide a superior weather barrier to the outside, where the single flap version can be used in very temperate climates. You can maintain all parts on the MaxSeal doors so that you will never need to buy or replace the door. You can always keep your dog door functioning perfectly for the life of your pet! Security Boss builds your door as ordered so that you can choose from the greatest variety of options and features.
Note: Light Ivory has been discontinued.

MaxSeal Model for Installation in Glass Doors

The exterior frame of the In-Glass MaxSeal Pet Door is a specially made, very low profile design that allows your sliding door to glide past the exterior frame of the pet door.

A specialized spacer/adapter is included to allow proper fitting on all glass thickness and types.

Using 1" Spacer
Using 1/2" Spacer
Fits glass 1/4" to 13/16" thick
Fits glass 7/8" to 1 1/2" thick
Special Ranges: Single Flap In-Glass models can fit 1/8" & 3/16" glass thickness enter glass thickness when ordering & select 1" spacer

Important Ordering Information
1. You will need to select the correct spacer for your glass thickness
2. We include Filler Blocks that help locate the pet door in the glass notch.
(Providing us with the glass thickness ensures you recieve the correct filler blocks)

If you are unsure how to order the correct IN-Glass pet door we highly recommend calling a glass professional in your area,. They typically will come out to your house to take needed measurements so that you can place your order or if you prefer simply contact on of our listed In-Glass installers and they can handle the entire process for you.

Door Mount Pet Doors

Pet Opening
Flap Size
Notch in Glass Required
width x height

Single Flap
Dual Flap


6" x 7.5"
9 5/8" x 10 13/16"
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7" x 9"
10 5/8" x 12 5/16"
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9" x 12"
12 5/8" x 15 5/16"
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11" x 16"
14 5/8" x 19 5/16"
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11" x 20"
14 5/8" x 23 5/16"
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Tall Grand
11" x 25"
14 5/8" x 28 5/16"
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XL Grand
12" x 24"
15 5/8" x 27 5/16"
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Wide Tall
15" x 20"
18 5/8" x 23 5/16"
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15" x 24"
18 5/8" x 27 5/16"
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15 3/4" x 32"
19 3/8" x 35 5/16"
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Single Flap versus Dual Flap Information

Doors are refundable within 30 days of receipt by customer
No restocking fees