Pet Door Guys In The Glass Pet Door

• Replaces one panel of your existing dual-pane sliding glass, French door, or sidelight with custom, argon gas-filled glass featuring a built-in pet door.
• Maintains your original door frame, lock, and alarm setup for seamless security.
• Pre-installed Endura Flap® delivers top-tier insulation, perfect for severe four-season climates.
  
• Choose from standard or oversized glass panels, with optional Low-E or tinted glass to match your existing doors. Maximum glass size: 34" wide x 92".
• (2" or 4") add comfort for pets of all sizes.
• Backed by a 10-year warranty for long-lasting performance.
• Item only available in the lower 48 United States
  
• We'll need more information to complete your order.  In your Order Confirmation email, there is an Orange button with "."  Click on it to answer questions about your existing glass and pet(s). Thank you!
  

The Pet Door Guys In-The-Glass Pet Door offers a premium solution for pet access without altering your home's aesthetics. Designed to replace a panel of your dual-pane sliding glass, French door, or sidelight, this custom-built glass unit features a built-in Endura Flap®—renowned for energy efficiency and performance in extreme climates. The argon gas-filled glass maintains your home's insulation while offering pets independent access.

Tailor the door to your needs with flap sizes ranging from small to extra-large, ensuring comfort for pets of all sizes. Optional step-over heights of 2" or 4" enhance usability, while Low-E or tinted glass options seamlessly integrate with your existing door. The design preserves your original door lock and alarm setup, providing security without compromise.

Built with a durable vinyl frame and the industry-leading Endura Flap®, this pet door resists harsh weather, from biting cold to blistering heat. The magnetic seal ensures a draft-free environment, and a sturdy locking cover adds security when not in use. The frame is available in white or beige. 

With easy installation by a glazier and a 10-year warranty, the Pet Door Guys In-The-Glass Pet Door is the ultimate fusion of quality, convenience, and craftsmanship—giving your pets freedom while preserving your home's comfort and style.

can be found here. All orders are final sale and non-refundable. For ordering and installing, we highly recommend you work with a professional glazier. 

Purchasing Process:

Step 1: Review and Measure

• Carefully read this listing and estimate your glass pane and pet’s measurements to ensure this pet door fits your needs.
• Short-legged pets may struggle with the step-over height, as the pet door sits 3 3/4" above the ground.
• For sizing questions, contact Customer Service at customerservice@petdoors.com or (800) 826-2871.
  

Step 2: Hire a Glazier for Accurate Measurements

• Have a professional glazier measure the width, height, and thickness of your glass pane.
• The glazier should review our and determine if you have Low-E, clear, or tinted glass.
• They can also assist you with completing the order form.

Important: Accurate measurements are essential since every unit is custom-made and cannot be returned or refunded.

Warning for Therma-Tru Doors: If you have a Therma-Tru brand sliding glass door, you must hire a specialized glazier. Be sure your door is compatible before purchasing.

Step 3: Place Your Order Online

• Choose your glass size from the menu: Standard (up to 34" wide x 76" tall) or Oversize (up to 34" wide x 92" tall)
• Add any additional options, such as an , to your cart.
• After checkout, you’ll receive an order confirmation email with an orange “Finish Your Order” button. Use this to submit your glazier’s exact measurements with our .

Step 4: Complete the Order Form

• Complete the order for as clearly as possible. If possible, have a glazier assist you. 
• Shipping Address: standard size glass ships to residential addresses while over gize glass requires a business (non-residential) shipping address. 
• Glass Details: Enter the Quantity and complete the Glass Information section with your glazier’s measurements. Select your Glass Thickness, Glass Width and Height (actual glass size, not visible area), and Glass Type.

Minimum Glass Size Requirement: Add 6” to your flap’s width and 7” to its height.

• Customizations: Select your , Frame Color, Additional Step-Over Height, and Pet Door Opening Placement.
• Pet Door Positioning: If your sliding door slides inside the fixed panel, the pet door goes on the sliding glass. If it slides outside the fixed panel, the pet door goes on the fixed glass.
• Submit the Form: Email your completed order form to customerservice@petdoors.com. Your order will be on hold until we receive this form.  Please refer to our . 

Step 5: Installation

• Once your door arrives, schedule the same glazier who took your measurements to install it.
• They will remove the old glass and insert the new pet door unit into your sliding door frame.

Tip: Keep your original glass panel for future use. Store it in the box your new pet door arrived in.

Production and Shipping Timeline:

• It takes 4–5 weeks to build your pet door after order form approval.
• Additional time is needed for delivery.
• A tracking number and carrier details will be emailed once your order ships.