PlexiDor, Dog Doors for Cold Climates. Installers in New Brunswick We have installers in the following cities that can install a dog door or cat door for you. Our professional installers will get the job done right. They have experience installing pet doors in wood doors and metal doors. Our installer can install dog doors in all types of walls; stud, concrete block, and yes, they have even put dog doors in log walls. Cities with Installers and Resellers of Plexidor Pet Doors in New Brunswick: Bathurst, NB Fredericton, NB Miramichi, NB New Maryland, NB and Saint John, NB Please call us at 800-749-9609 and we will put you in contact with your professional pet door installer. If you do not see your city listed, phone 800-749-9609 Monday-Friday 10-4. We will find you an installer in your city. Get a PlexiDor today. Stop spending loonies on replacement pet door flaps. Call our office and we will find your installer to get the job done. Plexidors are the dog doors for cold climates.