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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Just the perfect size
I wanted a pet door nice and small to be as little noticed as possible and this door has definately done that. It's sleek frame and small dimensions make it virtually hidden from site which is appealing for me. Thank you!
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My big boy loves it
I didn't think there was a chance in the world I was gonna find a high quality dog door big enough for my big ol' boy. I finally came across your site and found this Maxseal door and boy am I happy I did! My Dane loves it and the insulation is incredible. Thanks guys.
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Amazing
Everything was so smooth. From measuring, to placing the order then having it show up at our front door two days later. Excellent design and very durable. My only regret was not going with the recommended dual flap model. Thank you for all your help.
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Nice Work
Having a french door, and putting in a dog door was a challenge. We were fortunate enough to find your website, your team was Amazing in helping us purchase a custom door. It was explained perfect and we also were assisted in how to measure. 5 stars on product 5 stars on customer service
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The best
After going from one pet store to another looking to fit an existing hole we had in our wall, we smartened up and went online. Luckily found you guys and got the door made exactualy to our dimensions. Great product great fit, all around great door.Thank You so much.
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Wonderful
Very durable solid made door. We got it custom made to replace the plastic door we had purchased years ago. I can tell we wont be replacing this DOOR for a longggg time. Thank you so much.
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Perfect Fit
Since the previous owners of our home all ready had a plastic flimsy door installed we didn.t know what to do. We were very pleased to find that your company could custom make a solid durable door to replace the one they had installed. We were worried we wouldn't be able to find one to fit the opening so the custom made was exactly what we needed. Thank you so much.
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Compomise with your husband, not a pet door
My husband came up with the excellent idea of getting a pair of goats as pets for our 2 young boys. This was by far by ideal choice of a pet, so needless to say, I wasn't allowing them to roam in my house. Since our pet situation was so unique, we decided to go with a custom-made unit. We installed it in our pole shed. That way, the goats have protection from harsh weather, but have unlimited access to our acreage as well.
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Very Impressed Customer
I bought this custom sized door for my dogs. We had an older dog door...a petsafe I think...and it was a piece of junk. So I called Moore and they suggested a custom door so that I wouldn't have to replace my door completely. I got the custom door, and it installed without any problems at all. Just took out the old door (and put in the garbage where it belongs) and the new door fit right in as promised. I am also very impressed with the high quality of the door. It looks great, and also keeps my AC in the house where it belongs. I would recommend this door to anyone who is serious about getting a quality product.
