MAKE SURE YOUR GARAGE DOOR IS IN GOOD HANDS IN HYDE PARK, VTGARAGE DOOR INSTALLATION AND MAINTENANCE SERVICES ARE JUST A PHONE CALL AWAYDIY garage door projects can be dangerous, time-consuming and expensive. That's why you should hire a fully insured professional to complete your garage door tasks. Since 1991, Simpson Sales Unlimited, Inc has been a leading provider of garage door installation, maintenance, repair and replacement services in Hyde Park, VT..