Amarr Carriage Court Description Description 14 distinctly defined designs built with durable composite overlay trim and insulated steel-backed sections. Related products Amarr Designer Choice Triple-layer construction and superior insulation R-value. Superior energy efficiency in a carriage house door. R-Value: 13.35 – 19.40 Warranty: Lifetime Starting at $1,066 Add to cartBuild your own Amarr Hillcrest Made from durable and low-maintenance steel. Carriage house designs for a great value. R-Value: Up To 9.05 Warranty: Lifetime Starting at $622 Add to cartBuild your own