MaxSeal Custom Made Pet Doors - For Doors
The Best Pet Doors by Design

WHATS A PLUS+ STARTER KIT?
Any pet door listed with PLUS+ means that it includes everything needed in a New Pet Door Starter Kit. Rather than have to go find these necessary items individually we have bundled it as one comprehensive product. SAVE BIG when ordering bundled vs order after the fact and paying additional shipping. NO ADDITIONAL SHIPPING on this PLUS+ Bundle!

Best Sealing - Best Insulating - Most Secure
Flaps are impact tested in conditions of -20 degrees Fahrenheit. Moore Pet has tested these doors in the harsh Minnesota winters and summers, we highly recommend this door.
| Important Note: When having a door made to a rough cut opening in a wall; it is recommended that your hole in the wall is a minimum of 1/8' larger than the rough cut dimension chosen for the custom door. |
Example 1: If the hole you are installing a pet door is 15" wide x 20" high, then you multiply 15x20=300 square inches. Look in the chart below to see what range 300 falls into for pricing. Important: your flap size will be 13"w x 18"h (there is a difference of 2" in width and height from rough-cut dimension to flap size).
Example 2: If you want a flap size of 15"wide x 20"high, then you would figure the rough-cut to be 17"w x 22" (minus 2" from each measurement because of the 2" difference between rough-cut and flap size). 17 x 22=374 square inches. Find 374 in the chart below for pricing.
| Rough Cut Dimensions Square Inch Range (For pricing) Multiply width x height) |
Single Flap Door Mount |
Dual Flap Door Mount |
| 0-69" | 300.06 | 351.14 |
| 69-93" | 360.07 | 411.15 |
| 93-141" | 425.20 | 476.27 |
| 141-175" | 467.33 | 546.50 |
| 175-215" | 527.35 | 623.12 |
| 215-257" | 580.98 | 661.42 |
| 257-309 | 616.73 | 695.90 |
| 309-350" | 678.02 | 763.57 |
| 350-372" | 744.42 | 874.67 |
| 372-527" | 827.42 | 942.34 |
| 527-600" | 933.40 | 1003.63 |
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MaxSeal
Custom Made Pet Doors ![]() |
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Custom pet doors can be made to fit an existing cut through a door or wall
as well as to a certain flap size. Note: The flap size will always be approx. 2" less in width and height than the rough cut "hole" dimension. See calculator above for exact measurements |
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Pricing is determined by the size of the cut through the wall or door; |
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We also offer doors that are LARGER than shown on the above chart; please call us at 1-800-829-7876 for assistance.
If you need a door in a specific time frame, please call us.
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A specification / data sheet will be kept on file for reference with Moore Pet Supplies LLC & Security Boss Manufacturing LLC for any future replacement parts that may need to be ordered.
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Pricing for these custom doors is based on Rough Cut Dimensions
(width x height of your opening = Total sq. inches in chart below)
MaxSeal Custom Made Doors
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Best Insulating & Sealing, Most Secure
Custom Made Sizes
Replace Existing Doors
Fits Doors 1 1/4" - 2"
$218.79 - $675.99
Pricing starts at: $169.99
Complete pricing chart at bottom of this page
Order to Size or Replace Existing Older Door
Choose Single or Dual Flap version
Dual Flap provides a near perfect weather barrier
56 Reviews Hide Reviews Show Reviews
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Great product
I wanted to install a pet door into one of my decorative panels in my door. NO pet doors matched up with those dimensions so I ordered this custom made door to fit that panel exactly. It looks great and was a perfect fit! Thanks again for providing a quality product!
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Couldn't be happier
I'm so glad I found this product! My old door was beat up and it was about time to replace it. I didn't know having a quality door would make that much of a difference for insulation, but it surely does! Great product and service
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So happy with this pet door!
I was about at wits end with my old dog door. The side flap always tore out and it just didn't seal well. I'm a widow and didn't want to make any new cuts so I just ordered this to fit perfectly into my opening. I installed it myself and I'm 85! Great experience with the company and the product looks and seals great!
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Amazing doggie door
I replaced an old Johnson pet door with this custom maxseal and the insulation is night and day. I only wish I would have replaced it sooner! Thanks again for great service and a great product!
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PERFECT!
My old dog door was falling apart and didn't seal at ALL. I called morepet and talked through some options and determined this custom door would be the best route. Am I ever glad I made that decision it has performed past my expectations! Excellent seal and security there isn't anything getting through that security panel! Thanks again!
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Perfect solution!
I needed to replace an old worn out pet door and didn't have room to make the hole bigger or smaller. I thought I was out of luck until I found this product! Not only did it sleeve perfectly into the opening but this door seals 10x better then our old door. Thank you so much for making our lives easier!
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Excellent door
This MaxSeal dog door is fantastic! I am very impressed with how it held up during the winter. Things get cold up here and this door can withstand it. Thank you for recommending a door of this quality!
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Outstanding
This is an outstanding pet door. I would recommend this door to anyone considering purchsing a pet door!
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Thank you
This door has been a tremendous blessing to us. The MaxSeal has already saved us big on insulation as the cold weather comes. Thanks guys!
