PlexiDor, Dog Doors for Cold Climates. Installers on Prince Edward Island We have installers in the following cities that can install a pet door for you. Our professional installers will get the job done right. They have experience installing dog and cat doors in wood doors and metal doors. Our installer can install petdoors in all types of walls; stud, concrete block, and yes, they have even put doors in log walls. Cities with Installers and Resellers of Plexidor Pet Doors in Prince Edward Island: Alberton, PE, Charlottetown, PE, Cornwall, PE, Montague, PE, O’Leary, PE, Stratford, PE and, Summerside, PE, Please call us at 800-749-9609. We will put you in contact with your professional pet door installer. If you do not see your city listed, call 800-749-9609, Monday-Friday 10-4. We will find you an installer in your city. Get a PlexiDor Performance Pet Door. These are dog doors for cold climates. They work in Canada all winter long. Stop wasting money on replacement pet door flaps. Call our office today. We will find you an installer in your area.