Amarr Hillcrest Description Description Made from durable and low-maintenance steel. Carriage house designs for a great value. 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 Carriage Court 14 distinctly defined designs built with durable composite overlay trim and insulated steel-backed sections. R-Value: 6.48 Warranty: Lifetime Starting at $1,671 Add to cartBuild your own