When I purchase a “Through the Glass” dog door, is the entire sliding glass dog door included?

No, when you purchase a “Through the Glass” dog door, it comes with the glass panel only. The framing of the sliding door is NOT included in the purchase. Since this unit will replace the current glass inside your framing, there will be an installation process you or a hired professional will need to follow as well as filling out the appropriate order form.If you want a door with a dog flap already installed, check out our collection of doors with dog doors.

How do I order a Pet Door Guys dog door installed in a sliding glass door?

1. Check out our Placement Guide, which will show you where the pet door should be installed based on your sliding glass situation
2. Contact a glazier from a local glass shop to measure and install your unit
3. Measure your pet to get an accurate flap size. The In the Glass unit comes with a 3 ¾" step-over in addition to any step-over your frame has right now, which you will need to take into account
4. Place the order on this page to receive the order form asking for your custom dimensions. Your order is on hold until we receive this order form. The form is emailed directly to you as you complete your order.
5. The custom-built glass will be made and shipped with your pre-installed pet door for your sliding glass door.

What exactly comes with an In the Glass purchase?

Only one piece is glass is purchased at a time, as this is not a full door pet door unit, just the glass part. This piece of glass will be installed into your patio frame. What makes this option great is the pet door that comes installed in the glass. Either your slider or stationary glass will be replaced with an identical piece of glass with a pet door flap and frame installed. We do not carry the full patio doors with dog door already built in.

What does it mean by standard and oversize glass size?

Standard Glass Size has a square inch range of 34" x 76" or smaller. Oversized Glass Size would be any range over 34" x 76" and up to 46" x 92". Both work with Single or Dual-Pane Tempered Glass.

When will I get the email asking for my dimensions?

As soon as you place your order, an email will be sent asking for the custom dimensions of your glass.

What is the minimum step-over?

The minimum step-over on the "Through the Glass" units is 3 3/4" plus however tall the frame of the sliding door is. If your frame is 2” tall, then the minimum step-over would be 5-¾”. There are 2" or 4" step-over add-on options as well; these will add 2” and 4” to the minimum to raise the step-over to accommodate taller pets.

What does my glazier need to measure?

Your glazier will need to have the thickness, height, width, and whether your glass has Low-e coating or not.

What step-over does this come with already?

Originally, there is a 3 3/4" step-over. Plus, however tall your slider frame is from the floor. You can purchase a custom 2" or 4" step-over to accommodate your pet's size. Make sure the top of the frame will be at least an inch above their shoulder with or without a step-over.

Why does the price jump so much when I change pet door sizes?

"Through the Glass" units can be pretty expensive because you're getting a custom unit made entirely to your specifications. These items can get expensive because of the quality you are purchasing. You are paying for the quality of materials in the glass, metal, and flap; which will save you on AC/heating bills and require less in replacement parts.

What is Low-e coating?

It stands for Low-emissivity coating. Low-e is applied to the inside of the glass to cut back on the heat and cold transfer. Low outside temperatures combined with moist, warm air inside the house can result in condensation on the inside of any glass window, including that in a patio door. Dual-pane, low-e glass can greatly reduce or eliminate this problem. This feature is especially important in cold climates.

What are the benefits to the "Through the Glass" units?

The "Through the Glass" units do not take up space for you to walk through like a patio panel pet door would. This is a huge benefit if you have a smaller retrofit slider, as now you don’t have to worry about trying to squeeze through sideways. Additionally, the "Through the Glass" doggie doors utilize your existing lock, so you will not have to worry about how to go about securing your home.

How long does it take to get the "Through the Glass" pet door for sliding glass door model?

It takes about 3-4 weeks for these types of sliding door dog doors to be manufactured. Transit time is about 1-5 business days as it ships from the West Coast. When it ships, we will send a tracking number via email, which will include an estimated delivery date so you can schedule with your installer to come out.

Can you change the flap in the sliding glass door dog door if it wears out?

Yes, you can purchase replacement Endura Flaps® on the website. It might sound strange, but you will need to purchase the one for the Door/Wall Mount since that includes the hole plugs. However, they can be a little difficult to replace because you must remove the whole frame in order to get the new flap into place properly.

Can I lock the pet door when I don't want my dog to use it?

The flap itself will be coming with a locking cover. This cover slides on the track of the frame to securely prevent access.

Can I get this sliding door with built-in dog door shipped to my house instead of the glass company?

If you get the standard sized doggy door for sliding glass doors, it can be shipped to a home. However, if you have an oversized unit, it is best to ship to your glass company. Additional fees will be charged to your account if an oversized unit goes to a residential location.

I bought this from PetDoors.com, but it was made somewhere else. Who do I go to for warranty?

The flap and frame assembly is made by PetDoors.com, whereas the glass company who made your glass and installed the door is Pet Door Guys. If you have issues regarding the pet door itself, please contact PetDoors.com. The Endura Flap has a 15 year warranty period. For the glass unit, the warranty period is covered for 10 years and goes through Pet Door Guys.

How will I be able to lock my sliding door?

This item will be placed inside your slider frame. Your lock will still work since it is not replacing your frame or locking mechanism.

Can I install the patio door dog door glass unit myself?

We highly recommend hiring a glass company to install and measure for you. Depending on how handy you are, it may be possible; however, if the measurements for your sliding door doggie door are off, this item cannot be returned due to its customization.

What color is the sliding door with the dog door built-in?

You will use your existing frame, so the color of the frame does not change. There is a crossbar and dog door frame that will be white.

What is the tallest in-glass dog door I can buy?

The largest glass dimensions are 92" tall and 46" wide.

What is the tallest step-over/threshold I can get for a sliding glass door with dog door built in for my greyhound?

It is 7 3/4" above top of the bottom frame. You will want to add the frame height + 7 3/4" to calculate the stepover height.

Will this work in an older single pane sliding glass door?

The minimum thickness of the glass or Insulated Glass Unit (IGU) has to be 5/8" thick. If it is 5/8" or thicker then yes, this doggie door in glass door will work.

I want a sliding glass door doggie door, but what if I sell my home and the new owner doesn't want it?

We recommend that you save the original glass panel so that the process can be reversed. It will only cost the time of the glazier (glass company) to come out and reverse the sliding pet door process.

How do I purchase a sliding patio door with a dog door built-in?

Our process involves replacing one of your existing glass panels with a new panel that has the pet door built-in. We recommend working with a professional glazier to ensure it is done correctly since these are custom made and non-returnable. You can view a demonstration of the installation process on the Video tab.

What is the maximum step-over height I can get for a sliding door with a pet door built-in?

The step-over height of the pet door glass door depends on the height of the bottom frame that you are installing the In the Glass pet door in. The maximum height can be 7 3/4" plus the height of your bottom frame. This unit default is 3 3/4" above your bottom frame and also has the option of 5 3/4" above the bottom frame.

Does the sliding door with a dog door already installed include the frame?

No. We do not offer sliding doors with a dog door built-in. This option replaces one of the existing glass panels and is a great solution. It uses your existing frame, so there are much less construction and disruption to your home.

Is this Endura Flap doggie door for sliding glass doors available with a black frame?

No. We currently only offer the patio door with a pet door built-in with a white and beige trim.

Does my glazier have to assemble the three pieces in this pet door In the Glass door?

No, this doggie door for sliders is a single piece replacement unit. Your glazier will remove your existing Insulated Glass Unit (IGU) and replace it with your new IGU that has a pet door for sliding door built-in. It is one unit.

Are Pet Guys and “In the Glass” Pet Door Guys the same? What about the Utah Pet Access pet door?

We sell the Pet Door Guys “In the Glass” dog door for sliding glass doors units. They make a replacement glass units for doors with built in pet door. However, the Utah Pet Access pet door is a different company who sells a different type of in-glass pet door product. 

Can I purchase a sliding door with doggie door built-in?

We do not sell a sliding glass doors with a built-in dog door. We sell a glass replacement unit that allows you to keep your existing sliding glass door, which reduces disruption in your home.

I want a sliding glass patio door with doggie door built in. How do I change my current one?

You can purchase the Pet Door Guys "In the Glass" pet door unit. It replaces one of your patio doors with dog door built-in (depends on operational door). You can watch the first video on the video tab to see how the installation is completed.

I want my existing french doors to change to be a set of french doors with dog door built in. Can you help?

As long as your french doors are dual-pane glass at least 5/8" thick, then we can help you convert to doors with pet doors built in. The other consideration for doors with built in dog door is that the bottom of the dog door will be 3 3/4" above the top of the bottom frame.

What is the step-over height for built-in dog door sliding glass?

The step-over height for pet doors for sliding patio doors can be calculated as 3 3/4" + height of bottom frame. Each sliding doors with pet door built-in can vary.