Health Is R16 better than R12? How much does it cost to replace a 16 foot garage door? The typical price range for a 16 x 7 ft. garage door is $945 to $1,700. How thick is an R16 garage door? 14-gauge Related Posts:What is the maximum Amp Ratings for 70, 80, 100, 125, 150, 200, 400, 600 Amp wire and breaker chart?What gauge of wire do you use for a 20 Amp outlet?How much does it cost to build a detached garage?There are three functions on the garage door remote.