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MaxSeal Flaps

sbm security boss

$33.00 - $190.00
(18 reviews) Write a Review
SKU:
max-flap
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MAXSEAL REPLACEMENT FLAPS

REPLACEMENT FLAPS FOR MAXSEAL PET DOORS

Insulating Flaps to Replace Your Old MaxSeal Flaps

MaxSeal flaps are made specific to size as well as their location of interior or exterior in your pet door. A exterior flap will not line up correctly with the magnets of the interior frame and vice versa. The magnet placement of both the interior and exterior of your pet door are designed to provide you with an optimum seal. Altering the placement of these magnet positions will affect the performance of your door. All Security Boss products are hand built to order.

Replacing your MaxSeal flaps is easy and can be done without removing the pet door frames. Thumbscrews located at the top of the flap can be loosened by hand or by Allen wrench (Provided in your hardware packet when you purchased the door). If you have any difficulty you can place a Flathead screwdriver behind the flap and apply some pressure to allow thumbscrews to catch.


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MaxSeal Flaps


Security Boss Manufacturing LLC

18 Reviews Hide Reviews Show Reviews

  • 5
    Max Dog Door Flaps

    Posted by Scott Huber on Feb 3rd 2026

    They last and last. Probably would last even longer if I did Maintenance on them regularly. The dogs like them and that helps.

  • 5
    MaxSeal Flaps

    Posted by Jen J on Jun 1st 2025

    We've been loyal customers of the MaxSeal dog doors for over a decade, putting in both wall and door-mounted versions in various houses. The behemoth size works perfectly for our Great Danes. Even though we live in an area with some extreme weather, the MaxSeal flaps work great. We replace the flaps every several years, but it is easy to do and keeps the snow outside even when the wind is blowing.

  • 5
    Max Seal flap replacement

    Posted by Rhonda Geddis on Mar 17th 2025

    After years of having the Moore dog door installed, I needed to replace the flap. What an easy process and transaction. Since I was already on file, I was able to purchase new magnetic flaps, received my order in a few days and installed the new flaps. Balance has been brought back to the house and all is well. Thank you.

  • 5
    best dog door I ever had. It holds up to any climate and any dog (large or small).

    Posted by Gabi on Feb 5th 2025

    all good

  • 5
    Best dog doors ever!

    Posted by LarryDawg on Jan 9th 2025

    Finally have to replace the outer flap after many years. Best dog doors ever!

  • 5
    New flap doors

    Posted by Sherry McKee on Jul 8th 2024

    This is a wonderful company whose products last. They stand behind their dog doors.

  • 5
    Great!

    Posted by Pam Ferguson on Nov 21st 2023

    Myself and my son have been buying replacement flaps for years for our MaxSeal Doors.

  • 5
    MaxSeal Flaps

    Posted by jdog on May 13th 2023

    We have had our dog door for almost 10 years. Our 2 dogs run through the door at top speeds and the original flaps finally tore at the mounting grommet. We ordered the replacement flaps and they were cut a little too small and the flaps didn't seal. I contacted Security Boss and they replaced them for us. I installed the new ones and they fit perfectly. I hope we get another 10 years out of these ones. Highly recommend this dog door.

  • 5
    Replacement flaps for dog door

    Posted by Sara Malone on Mar 22nd 2023

    This door is very well made and durable. I have three dogs who go in and out all day long, and I didn't have to replace the flaps until seven and a half years after installation! Replacement was easy and it's as good as new.