A wooden garage door should be cleaned carefully since wood can be sensitive and gets damaged easily. Also, strong detergents and water pressure can cause damage instead of just cleaning your garage door. Applying a new coat of paint to your door after cleaning it thoroughly can help preserve it better.
Garage Door Repair Seattle, 206-801-9585, S Brandon St, Seattle, Washington, 98118, http://www.garage-door-repair-seattle.info/