Security Boss Pet Door Installation

Best by Design… Engineered to Last

A1 On Track is an authorized dealer and installer of Security Boss Pet Doors. Offering models that offer weather protection for even the most extreme environments, our pet doors have an earned reputation for being the Best Insulating, Best Sealing, Most Secure available.



  • Unparalleled security
  • Premium insulation and weather seal
  • Strong, durable construction — built to last
  • Customize look and features
  • Large selection of sizes
  • Models for all areas of your home
  • Limited lifetime warranty

Pet Door Installation Size Reference

Small Pet Door 6″x7.5″
Cats & Dogs up to 14 lbs.

Small/Medium Pet Door 7″x9″
Large Cats, Small Dogs up to 15 lbs.
Papillon, Havanese, Shih Tzu, Bichon, Yorkshire Terriers

Medium Pet Door 9″x12″
Cavalier King Charles, female Pugs, Jack Russell Terriers

Large Pet Door 11″x16″
Cocker Spaniels, Shetlands, Shar Peis, Wheaten Terriers, Whippets

Tall Pet Door 11″x20″
English Springers, Standard Poodles, female Labradors, Samoyed, Dalmatians

Tall Grand Pet Door 11″x25″
Female Chesapeake Bay Retrievers, Boxers, Greyhounds, female Golden Retrievers

XL Grand Pet Door 12″x24″
Male Golden Retrievers, Collies, German Shepherds, Large Irish Setters

Wide Tall Pet Door 15″x20″
Large Male Labradors, Large Rottweilers, Ridgebacks

Mammoth Pet Door 15″x24″
Dobermans, large German Shepherds, Landseers, Most Mastiff breeds

Behemoth Pet Door 15.75″x32″
Irish Wolf Hounds, St. Bernard, Great Danes, giant breeds or large dogs needing additional room due to mobility and arthritic problems