Patio Dog Door Installation — Temporary Sliding Glass Pet Door Inserts and Permanent Patio Pet Door Solutions

Your sliding glass patio door is one of the best locations in your home for a pet door — and Portal Pros offers two completely different approaches to get it done. Choose a spring-loaded patio insert that fits into your existing door track without cutting or drilling, or go permanent with a custom notched glass replacement that integrates the pet door directly into your patio glass for a seamless, factory-finished result. Both options can be professionally installed. Both are available for any breed and any size.

Patio Pet Door Insert (Temporary / Removable) A spring-loaded panel unit that fits into your existing sliding door track alongside the glass, no cutting, no drilling, no modifications to your door or frame. The unit has an adjustable spring-loaded top extension that tension-fits to your specific door height and locks in place. Your patio door continues to function normally. The insert simply occupies the lower portion of the track when in use. Ideal for renters, homeowners who want a removable solution, or anyone who wants pet access without permanently modifying their patio door.

Custom Notched Glass Replacement (Permanent) We remove your existing sliding glass patio panel and replace it with a custom-fabricated tempered glass piece that has the pet door notched directly into it. You keep the full glass look of your patio door with maximum light, unobstructed view with the pet door integrated seamlessly into the glass itself. The result is completely permanent and completely clean. No panel sitting in your track, no frame visible on the glass surface except the pet door itself. This is the gold standard for patio pet door installation in terms of appearance and performance.

Not sure which approach is right for your patio door? Send us a photo (to sales@theportalpros.com) and your door dimensions and we'll recommend the best option for your setup.

What Is a Patio Dog Door Installation?

A patio dog door installation gives your pet independent access through your sliding glass patio door without cutting through walls, modifying your door frame, or permanently altering your home's structure unless you choose the custom glass option, which is a permanent upgrade.

Sliding patio doors are one of the most popular locations for pet doors because they typically face the backyard, they're at a comfortable height for large-breed dogs, and most homes only have one or two, making the install location obvious. Portal Pros offers two distinct installation methods: removable spring-loaded inserts that require zero permanent modification, and custom notched glass replacement that integrates the pet door directly into the glass panel for a permanent, seamless result.

Both methods can be professionally installed by licensed and/or insured Portal Pros technicians nationwide.

Two Ways to Install a Dog Door in a Patio Door

Option 1 — Patio Pet Door Insert (Temporary / Removable)

A patio pet door insert is a self-contained panel unit that slides into your existing patio door track alongside your glass panel. No cutting, no drilling, no permanent modification to your door or frame.

How it works: The insert unit spans from the floor track up to the top of your door opening. A spring-loaded top extension piece adjusts to your exact door height and applies tension to lock the insert securely in place. The same mechanism used in patio door security bars, but purpose-built for pet access. The insert houses the pet door flap in its lower section, while the upper portion fills the remaining track space. Your existing sliding glass panel stays exactly as is, and the insert installs and removes without tools.

Who it's right for:

• Renters who cannot permanently modify their patio door
• Homeowners who want a removable solution they can take with them when they move
• Anyone who wants pet access without cutting glass
• Homeowners who want to try the location before committing to a permanent installation

The trade-off: Inserts sit in your track and occupy the space alongside your glass panel. They are visible from both inside and outside the home, and because they're not glass, they reduce the light and view in that portion of your door opening. They are also less thermally efficient than a permanent glass installation — though insulated dual-pane insert options significantly reduce this gap.

Option 2 — Custom Notched Glass Replacement (Permanent)

For homeowners who want the cleanest, most permanent result, Portal Pros replaces your existing sliding glass patio panel with a custom fabricated tempered glass piece that has the pet door notched directly into it. The pet door is built into the glass itself, not sitting in the track alongside it.

How it works: We remove your existing glass patio panel and send the dimensions to our glass fabrication partner. A custom tempered glass piece is fabricated to the exact dimensions of your existing panel, with the pet door opening notched in at the correct height for your pet. The pet door frame is constructed to look factory fitted into the glass notch. Once the glass is fabricated, our installer returns to set the new panel into your existing door frame. Your door operates exactly as it did before, it slides, locks, and seals the same way, with the pet door now permanently integrated into the glass.

Who it's right for:

• Homeowners who want the most seamless possible result
• Anyone who wants to preserve maximum light and the full glass appearance of their patio door
• Homeowners in climates where thermal performance matters, custom dual-pane glass maintains your home's insulation fully
• Anyone planning to stay in their home long term and wants a permanent, high quality upgrade

The trade-off: Custom glass fabrication takes time. The glass is made to order after we verify your exact panel dimensions. Most custom glass installations require two visits: one to measure and verify, one to install the fabricated panel. This is the premium option, and pricing reflects custom fabrication.

What Types of Patio Doors Can Have a Dog Door Installed?

Portal Pros installs patio pet doors into the following sliding glass door configurations:

• Standard single sliding glass patio doors — insert or custom notched glass, depending on preference
• Double sliding patio doors (both panels move) — insert or custom notched glass into the panel your pet will use most
• Large format patio doors (wider or taller than standard) — custom insert sizing and custom glass available; contact us with dimensions
• Low-E coated glass panels — custom notched glass fully preserves your Low-E coating with matching fabrication
• Dual-pane insulated glass units (IGU) — custom notched glass replacement maintains dual-pane insulation; insulated insert options also available
• Single-pane glass panels — standard custom notched glass replacement

Not sure what type of patio door you have? A photo (email photos to sales@theportalpros.com) of the full door from inside and outside is all we need to confirm the right approach.

Which Patio Pet Door Option Is Right for You?

Choose a patio insert if: You are renting or cannot permanently modify your door. You want a removable solution you can take with you when you move. You want the fastest possible installation with no fabrication lead time. You want to try the location before committing to a permanent installation.

Choose custom notched glass if: You own your home and want a permanent, seamless result. Preserving maximum light and the full glass appearance of your patio door matters to you. You are in a climate where thermal efficiency is important and you want full dual-pane insulation maintained. You want the finished result to look like it was always there.

Choose an electronic or selective entry option if: You have multiple pets and only want certain ones to use the door. You want to prevent other animals from entering while still giving your dog access. Security is a primary concern. The PetSafe Electronic and Elite Super Selective options use RFID collar sensor technology to allow only registered pets through.

Choose the Giant Breed option if: You have a Great Dane, Mastiff, Saint Bernard, Newfoundland, or other giant breed that exceeds standard pet door sizing. The Giant Breed Lockable Patio Pet Door is specifically engineered for oversized breeds.

Still not sure? Call 855-DOG-DOOR or send us a photo (to sales@theportalpros.com) of your patio door and your pet's shoulder height and width and we'll tell you exactly which option we'd recommend.

Why Choose Portal Pros for Patio Dog Door Installation?

No tools or drilling required for inserts. The spring-loaded top extension system locks the insert into your existing track under tension — no screws, no anchors, no damage to your door or frame.

Custom glass that looks factory-built. Our notched glass replacement panels are custom fabricated to your exact patio door dimensions with the pet door built in at the correct height. The finished result is indistinguishable from a door that came from the factory with a pet door already in it.

Insulated options for every climate. From dual-pane insulated insert panels to custom dual-pane notched glass, Portal Pros carries thermally efficient patio pet door solutions for every climate from hot summers to cold winters, and everything in between.

Electronic and selective entry available. The PetSafe Electronic option reads your pet's collar sensor and only opens for registered pets. Keep other animals out while giving your dog full access.

Giant breed sizing available. The Giant Breed Lockable Patio Pet Door is available for dogs that exceed standard size categories. Great Danes, Mastiffs, Saint Bernards — if they can walk through it, we can install it.

Licensed, insured installers nationwide. Every Portal Pros installer is vetted, insured, and trained specifically in patio pet door installation.

Craftsmanship guarantee. If there is ever an issue with our installation, we make it right — no exceptions.

How the Patio Dog Door Installation Process Works

Step 1 — Measure & Quote Contact Portal Pros with your pet's shoulder height and width, and photos of your patio door from inside and outside. For insert installations, we'll need your door track height from the very bottom patio floor channel to the very top inside channel. For custom notched glass, we'll need the width and height of your existing visible glass panel. We'll recommend the right product and provide a same-day quote.

Step 2 — Insert Installation (Single Visit) For patio insert products, a Portal Pros installer arrives and installs the patio insert unit sized for your door. The spring-loaded top extension is adjusted to your exact door height and the unit is set into your track. Most insert installations are complete in under an hour.

Step 3 — Custom Glass Installation (Two Visits) For custom notched glass installations, the first visit is a precision measurement verification. Our installer confirms your exact panel dimensions before fabrication is ordered. Once the custom glass panel is fabricated and delivered, a second visit is scheduled for the glass swap. Your existing panel is removed, the new custom glass is set into your door frame, and the pet door is tested and sealed.

Step 4 — Final Test & Walkthrough For both installation types, your installer confirms the flap operation, demonstrates the locking security panel, and walks you through care and use before leaving.

Patio Dog Door Products Portal Pros Installs

MaxSeal PRO In-Glass Dog Door The top-of-the-line in-glass option for custom notched glass patio installations. Aluminum-clad locking panel, dual vinyl flap with piano hinge, and precision weather seal. Available in White, Beige, Brown, and Silver. The recommended pet door product for custom notched glass patio installations where maximum performance is the priority.

MaxSeal In-Glass Dog Door Excellent in-glass performance in a streamlined package. Dual flap insulation, magnetic seal, clean low-profile appearance. Available in White, Beige, Brown, and Silver. A solid choice for custom notched glass patio installations.

SB Standard In-Glass Pet Door A reliable, well-priced in-glass option for custom notched glass patio installations. Available in White and Dark Bronze. The most accessible entry point into permanent notched glass patio pet door installation.

MaxSeal Insulated Locking Patio Pet Door Insert The premium insert option. Dual-pane insulated glass panels with a dual flap design for maximum weather seal and insulation. Spring-loaded adjustable top with snap-lock extensions. The most thermally efficient patio insert available — the closest a removable insert can get to the performance of a permanent glass installation.

SB Standard Patio Pet Door for Sliding Glass Doors A full-featured, lockable patio insert with spring-loaded adjustable top. Solid performance and reliable seal. Available in multiple height configurations to fit standard residential sliding patio door openings.

Standard Lockable Pet Patio Door Insert A lockable patio insert with spring-loaded top extension and a clean, straightforward design. Fits most standard residential sliding patio door openings. A dependable mid-range insert option.

Giant Breed Lockable Patio Pet Door Engineered specifically for dogs that exceed standard pet door sizing — Great Danes, Mastiffs, Saint Bernards, Newfoundlands, and other giant breeds. Full lockable panel and spring-loaded adjustable top for standard patio track installation.

Elite Super Selective Security Boss Sliding Glass Patio Pet Door Insert Selective entry via collar sensor. Only registered pets can open the door — other animals cannot. The right solution for multi-pet households where selective access matters, or for homeowners in areas where wildlife intrusion is a concern.

PetSafe Electronic Dual-Pane Lockable Patio Pet Door by Security Boss Electronic collar-sensor entry with dual-pane insulated glass panels. Reads your pet's collar tag and opens only for registered animals. Maximum security, maximum insulation, electronic convenience. The premium electronic patio insert option.

How Much Does Patio Dog Door Installation Cost?

Patio pet door installation pricing depends on which method you choose, the size of your patio door, the pet door size needed, and the specific product selected.

Patio insert installations are generally the more straightforward option to price — the product is selected based on your door height and pet size, and installation is typically a single visit.

Custom notched glass installations involve custom glass fabrication and two installation visits. Pricing depends on your glass panel dimensions, whether you need single or dual-pane glass, the in-glass pet door product selected, and Low-E compatibility. Because every custom glass panel is fabricated to your exact dimensions, Portal Pros provides personalized quotes rather than a flat rate.

Factors that affect pricing:

• Installation method (insert vs. custom notched glass)
• Door height and width for insert sizing
• Glass panel dimensions for custom fabrication
• Single-pane vs. dual-pane glass
• Pet door size (XS through giant breed)
• Product selection (standard vs. insulated vs. electronic vs. giant breed)

To get an accurate quote, contact Portal Pros at 855-DOG-DOOR or fill out the quote form above. Most customers receive a quote the same day.

Patio Dog Door Installation — Frequently Asked Questions

What is the difference between a patio insert and a custom notched glass installation? A patio insert is a self-contained panel unit that fits into your existing sliding door track without any cutting or permanent modification. It's removable and requires no fabrication. A custom notched glass installation replaces your existing glass panel with a new custom-fabricated piece that has the pet door built into the glass itself. The insert is faster and non-permanent; the custom glass is a permanent upgrade with a seamless appearance and superior thermal performance.

Can a patio insert be installed without drilling or cutting? Yes. Security Boss patio inserts use a spring-loaded top extension that adjusts to your door height and locks under tension — no screws, no drilling, no permanent modification to your door or frame. The unit sets into your existing track and can be removed just as easily.

How does the spring-loaded top extension work? The insert panel has an adjustable section at the top that compresses under spring tension and then expands to fill the gap between the insert and the top of your door track. Snap-on 2-inch extensions are available to increase the adjustment range for taller doors. Multiple extensions can be stacked for doors outside the standard height range. The result is a tight, secure fit without any fasteners.

Will a patio insert fit my sliding door? Most standard residential sliding patio doors are compatible with Security Boss insert systems. To confirm fit, we need your interior track height from the floor channel to the top channel, and the width of the floor rail your slider follows. Send us your door measurements and a photo and we'll confirm compatibility before you order.

Does the insert block light or obstruct the view? Yes, partially. Because the insert occupies a section of your door track, it replaces glass with a panel unit in that portion of the opening. If preserving the full glass view is important to you, custom notched glass is the right choice. The pet door is built into the glass itself and the rest of the panel remains fully transparent.

What is the lead time for custom notched glass? Custom glass panels are fabricated to order and typically take three to four weeks from measurement verification to delivery. Your installer will contact you to schedule the second installation visit once the glass is ready. Total project time from first contact to finished installation is typically three to six weeks.

Will custom notched glass affect my patio door's insulation? No. Portal Pros fabricates all custom notched glass panels in single or dual-pane configurations, including Low-E glass compatibility. Your existing insulation level is fully maintained.

Can I get a patio pet door for a giant breed dog? Yes. The Giant Breed Lockable Patio Pet Door is specifically engineered for dogs that exceed standard pet door sizing. Contact Portal Pros with your dog's shoulder height and width and we'll confirm the right product.

What if I only want my dog to use the patio pet door and not other animals? The Elite Super Selective and PetSafe Electronic insert options use collar sensor technology that only opens the door for a registered pet. Other animals cannot open the door from the outside. These are the right products for multi-pet households or homes in areas with active wildlife.

Can a patio pet door be installed in a door that is not a slider? This page covers sliding glass patio doors specifically. For hinged patio doors, French doors, or other configurations, see our door mount or glass installation pages, or contact Portal Pros to discuss the right approach for your specific door.

Do you install patio pet doors nationwide? Yes. Portal Pros operates a nationwide network of licensed, bonded and/or insured installers. A professional in your area will contact you within 24 to 48 hours of placing an order.

Is the pet door lockable? Yes. Every patio pet door product Portal Pros carries includes a locking security panel or electronic lock. Standard insert models include a rigid panel that locks from the interior. Electronic models use collar sensor technology to control access automatically.

What size patio pet door do I need? Measure your pet's shoulder height from the floor to the top of their shoulders and add 1 to 2 inches for the door height. Measure the widest point of their body — chest or hips — and add at least 2 inches for the door width. If you're between sizes, always size up. For giant breeds, contact us directly for sizing guidance.

Why Portal Pros for Patio Dog Door Installation?

Portal Pros is the nation's leading professional pet door installation company with over 20 years of industry experience.

• Two installation methods — temporary spring-loaded inserts or permanent custom notched glass — so the right solution exists for every home and every situation
• Ten patio pet door products — standard, insulated, electronic, selective entry, and giant breed options
• No permanent modification required for insert installations — the spring-loaded system locks in with zero drilling
• Custom glass fabricated to your exact panel dimensions for permanent installations
• Licensed, bonded and/or insured installers nationwide
• Craftsmanship guarantee — if there's ever an issue with our installation, we make it right
• 1,100+ five-star reviews from homeowners across the country
• Free shipping on all pet doors, always
• Giving back — a portion of every sale is donated to no-kill animal shelters across the United States

Ready to Get Your Patio Dog Door Installed?

Call 855-DOG-DOOR today or request a free quote above. Send us a photo of your patio door from inside and outside, your pet's shoulder height and width, and your door track height — and we'll come back to you with the right installation method, the right product, and a same-day quote.