Tailwagger Pet Doors

French Door - Placing a dog door or cat door in a French Door can easily be accomplished. Whether your French Door is individual pane of glass or a single sheet of glass, we have the solution. Call us to discuss. Kennel Pet Doors - For the professional. We also have a variety of kennel doors. Built to the same high quality standards you have come to expect from our retail pet door models, the Hale Pet Door™ Kennel Pet Door line is the perfect choice for high traffic situations encountered by kennels, breeders, pet resorts, police K-9 forces, and more.