Through Glass Dog Door | Pet Door for Glass Doors | Sliding Glass Pet Door
In-the-Glass models are offered for those customers wanting to install a high quality pet door through glass...primarily sliding glass doors. This type of installation requires very highly skilled Glass Glazier. This type of application is very attractive to those customers who do not wish to install a pet door through a door or wall. The installation of the MaxSeal through glass, is often reversible as well. Your professional Glazier can provide you with details and various options. All Security Boss products are hand built to order.
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Using 1" Adapter
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Using 1/2" Adapter
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Fits glass 1/4" to 13/16" thick
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Fits glass 7/8" to 1 1/2" thick
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| Special Ranges: Single Flap In-Glass models can fit 1/8" & 3/16" glass thickness enter glass thickness when ordering & select 1" adapter | |
The MaxSeal® In-the-Glass model pet door is designed to provide you the ultimate performance in pet doors. All parts are maintainable making these doors the last pet doors you will buy. Flaps are easily replaced by the customer.
Size Chart
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Flap Size WxH (inches) |
Notch in Glass Required Width x Height |
Exterior Frame (overall frame size) (W x H) |
| Small 6"x 7 1/2" | 9 5/8" x 10 13/16" | 9 3/8 x 10 9/16" |
| Small/Medium 7"x 9" | 10 5/8" x 12 5/16" | 10 3/8 x 12 1/16" |
| Medium 9" x 12" | 12 5/8" x 15 5/16" | 12 3/8 x 15 1/16" |
| Large 11" x 16" | 14 5/8" x 19 5/16" | 14 3/8 x 19 1/16" |
| Tall 11" x 20" | 14 5/8" x 23 5/16" | 14 3/8 x 23 1/16 |
| Tall Grand 11" x 25" | 14 5/8" x 28 5/16" | 14 3/8 x 28 1/16" |
| XL Grand 12" x 24" | 15 5/8" x 27 5/16" | 15 3/8 x 27 1/16" |
| Wide Tall 15" x 20" | 18 5/8" x 23 5/16" | 18 3/8 x 23 1/16" |
| Mammoth 15" x 24" | 18 5/8" x 27 5/16" | 18 3/8 x 27 1/16 |
| Behemoth 15 3/4" x 32" | 19 3/8" x 35 5/16" | 19 1/8 x 35 1/16" |
Manufacturers Note: The MaxSeal In-the-Glass Model Pet Door is designed to be installed by professional glass glaziers that have experience installing pet doors into glass. For this reason, this product is only sold under the assumption that a professional will be installing this product. It is NOT designed for the homeowner, handyman or building contractor to install.
Calculating Kennel Row Widths:
RETURNS: If you should receive a damaged product, you are welcome to return it free of charge and receive a full refund.
EXCHANGES: Exchanges accepted within (14) days from the day you received the product (exclusions apply).
What type of material is the handle?
Each kennel door comes with a strong, lockable stainless steel handle. Inside the handle is a stainless steel spring that helps keep the latch closed, so your dog can’t push the door open. It’s safe and secure, but still easy to open with one hand. You can also add a padlock or clasp for extra security if needed.
Are these kennels easy to assemble?
Your kennel ships with easy assembly instructions, covering all essential components:
- Kennel panel setup
- Panel-to-panel coupling
- Handle & quick-lock latch installation
- Top mesh panels (if applicable)
- Isolation panels (if applicable)
- Back-to-back panel configurations
Do these runs meet commercial kennel standards?
Yes, TK Products kennels are built to meet commercial kennel standards. They’re designed with high-quality materials and durable construction to ensure long-lasting performance, safety, and ease of maintenance—making them ideal for professional boarding facilities, breeders, shelters, and veterinary clinics.
Can I anchor them to concrete or grass?
Yes! TK Products kennels can be securely anchored to both concrete and grass. We offer anchoring kits designed for different surfaces to ensure your kennel stays stable and secure in any setup.
How long is your warranty?
All TK Products kennels include an industry-leading 5-year warranty—far exceeding what most competitors offer in the kennel market.
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We believe all dogs deserve a happy & healthy life—so, we've committed to donating a portion of every sale to a trusted animal shelter.
