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The Best Pet Doors by Design

3-Sided Exterior Dog Kennel Doors

3-Sided Exterior Mounted Kennel Doors

Security Boss® introduces another first in the dog door market; the 3-Sided Exterior Flap dog kennel door. These custom made doors are fabricated to the dimension of your exterior rough cut dimension; providing you with the best insulating flap door that can be used in conjunction with an guillotine kennel door. Using the 3-Sided Exterior flap door can drastically cut down on energy costs for every kennel operation. Built to withstand the constant activity of close quartered dogs, these flaps are nylon reinforced to give you long lasting wear. Of course, flaps are replaceable should you be fortunate enough to board the aggressive individual, however, the energy savings alone will compensate for any maintenance.

Designed Specifically for Dog Kennel Operations


These 3-Sided doors are designed so that the flap is 3/16" shorter than the side frames; this allows the flap to move freely back and forth allowing for any slight change in floor surface grade. Washing and spraying out the interior kennel or outside run is no problem either. These especially designed doors do not have a bottom cross piece that would hinder the normal cleaning associated with dog kennels.

3-Sided Exterior Kennel Door Specifications

  • Nylon reinforced flap for added durability and strength
  • Heavy duty frame extrusion - strongest in the industry of any framed dog door
  • Steel Alnico Magnets line both side of flap for perfect closure every time
  • Steel angle reinforcements and perfectly mitered joints Keep frame sturdy
  • "Easy Replace" flap connections...no need to disassemble door to replace flaps
  • Color options available
The 3-Sided Exterior Kennel Dog Doors by Security Boss® have been designed especially for commercial and residential kennels. Often kennels will have a wall penetration that meets with the flooring. Many times guillotine kennel doors are installed on the interior side of the wall to control the direct access of dog out into their runs. This setup allows for an incredible protection against loss of heat in the winter and air-conditioning in the summer.

Use of the 3-Sided Kennel Doors with guillotine dog doors

Wall penetrations can vary greatly from facility to facility. Therefore our doors are custom made to the required dimensions.

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If you would like to contact a local Installer of Security Boss Pet doors please click here to see our nationwide listings.
If you do not see an installer for your area call Moore Pet Supplies and they will locate someone in your area.

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