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The perfect sliding glass patio dog door, built for your pet.

Whether you need Wi-Fi smart access, heavy-duty security, or a magnetic-sealed insert, High Tech Pet makes the finest patio pet door for sliding glass doors at every price point.

THE FULL LINE

Patio Pet Doors for Every Home & Budget

From the most advanced smart pet door ever made to the most weathertight manual insert on the market — find the one that's right for your dog.

From $1,299.99

Power Pet Roll-Up Smart Patio Door

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From $809.99

Power Pet Classic Smart Patio Door

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From $684.99

DuraFlex Heavy-Duty Patio Pet Door

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From $579.99

DuraFlex Magnetic Seal Patio Pet Door

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PATIO DOG DOOR INSERTS

The smartest way to add a dog door to your sliding glass patio door.

Adding a dog door to a sliding glass door used to mean cutting glass or compromising security. High Tech Pet's patio panel inserts slide right into your existing sliding door track — no cutting, no contractor, no hassle. In minutes, your pet has freedom. Your home stays secure.

Our line spans four distinct products: from the industry-defining Power Pet Roll-Up with full Wi-Fi app control, to the DuraFlex magnetic-seal insert built to outlast everything else on the market. Every panel features heavy-gauge aluminum construction, dual-pane Low-E glass, and a universal lock that fits most sliding glass door frames.

How to choose the right patio dog door

The most important question is whether you want automatic or manual access.Automatic dog doors like the Power Pet Roll-Up and Power Pet Classic usr a pet collar sensor to open and close the flap - keeping strays and intruders out while letting only your pet through. Manual doors like Armor Flex and DuraFlex use a flexible flap your pet pushes open themselves.

Noext, measure your sliding glass door frame height. Most standard patio dooes are 75"-80.25" - our "Regular height panels. Taller doors (92.75-96") need our "Tall" height models. All panels are available in multiple sizes to match your dog's shoulder height, width, and weight.

Finally, consider the weather where you live. If you're in a windy or cold climate, you'll love any of our patio dog doors. All of our doors are airtight and weatherproof. DuraFlex rare earth magnetic seal is the most weathertight dog door panel among non-electronic pet doors.

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  • Any Dog, Any Size

    Sizes from small breeds up to 200 lb giants.

  • Minutes to Install

    No cutting glass. No contractors. Just slide in.

  • Universal Security Lock

    Fits most sliding glass door frames, right or left.

  • Dual-Pane Low-E Glass

    Energy-efficient glass one very panel in the line.

HOW IT WORKS

Check out our Power Pet sliding glass patio pet door installation tutorial below.

INSTALL & SETUP

Installing a patio pet door is easier than you think

No glass cutting. No contractor. No structural changes. All High Tech Pet patio panels install in minutes using your existing sliding glass door track.

  • Measure your door frame

    Measure the height of your sliding glass door track (most standard US patio doors are 75"–80.25"; taller doors are 92.75"–96"). Then measure your dog's shoulder height to choose the right flap size.

  • Slide the panel into your track

    The patio panel inserts directly into your existing sliding door track alongside your existing glass panel. The universal security lock then secures it to your door frame — no drilling, no cutting.

  • Train your pet and go

    For smart doors, pair the included collar with the door using the app or control panel. For manual doors, most pets adapt within a few days. Your pet now has freedom — on their schedule or yours.

WHY HIGH TECH PET

35 years building the world's most ingenious pet products.

High Tech Pet invented the automatic pet door. We've been engineering smarter, safer, more durable pet access solutions since 1988 — and we manufacture, sell, and stand behind every product we make.

Factory Direct

Buy direct from the manufacturer. No middlemen, no markups — just the best price and direct support from the people who built it.

Lifetime Warranty Available

Our products are built to last. We back the entire line with a limited lifetime warranty on frames and structural components.

Real Human Support

Call 1-800-255-1279, Monday–Friday. Live product experts, not a chatbot — for installation help, sizing questions, and everything after.

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Testimonials

The patio panel is top notch. The frame width is twice as thick as the one that came with a different brand. The glass is double pane Low-E and it has two security locks plus the security panel. All in all, very well built, very secure and energy efficient."

Tom R., Verified Buyer

Power Pet Roll-Up Patio

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COMMON QUESTIONS

Everything you need to know

Answers to the most common questions about patio pet door inserts for sliding glass doors.

Will a patio dog door insert fit my sliding glass door?

High Tech Pet patio panels fit most standard sliding glass door tracks. Regular height panels fit door openings of 75"–80.25" tall; Tall height panels fit 92.75"–96". Measure the interior height of your door track before ordering. If you're unsure, our team at 1-800-255-1279 can help you confirm fit.

Do I need to cut the glass or modify my patio door?

No. All High Tech Pet patio panels slide into your existing door track alongside your current sliding glass panel — no glass cutting, no structural modification, and no contractor required. Installation typically takes 20–30 minutes.

What's the difference between automatic and manual patio dog doors?

Automatic doors (Power Pet Roll-Up and Power Pet Classic) use an electronic sensor in your pet's collar to detect their approach and open the flap automatically. This keeps strays and other animals out. Manual doors (Armor Flex and DuraFlex) use a flexible flap your pet pushes through themselves — simpler, no electronics required, and extremely durable.

Is my home secure with a patio dog door installed?

Yes. Every High Tech Pet patio panel includes a universal security lock that mates to your existing door frame, plus a security lockout panel you can use when you're away. Automatic doors add a second layer: only a pet wearing the paired collar can activate the door. The Roll-Up flap itself is constructed from rigid interlocking polycarbonate — it cannot be pushed open by hand.

What size do I need for my dog?

Measure your dog's shoulder height (the top of the back, not the head). The flap opening should be at least 1"–2" taller than their shoulder height. We offer sizes for dogs from small breeds up to 200 lbs. Our product pages include detailed size charts — or call us and we'll help you choose.

Does a patio dog door affect my home's energy efficiency?

All High Tech Pet patio panels feature dual-pane, Low-E glass in the panel itself — the same energy-efficient glass used in quality replacement windows. The DuraFlex in particular is designed for maximum weatherproofing, with a rare earth magnetic flap seal tested to remain airtight in winds up to 50 mph.

Ready to give your dog the freedom they deserve?

Shop the full line of High Tech Pet patio door inserts — with free shipping on most orders, a 90-day satisfaction guarantee, and live expert support.

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