The Hampshire is 1-3/4" thick, constructed of polyurethane foam injected between two 26-gauge steel skins. This is a super-insulated door with an R-value of 16.0, the highest available. This model is available in short or long panel designs (Colonial or Ranch Style) or in a plain flush front. It is available in five colors: White, Almond, Brown, Sandstone, and Grey. This door is used in colder climates or on any job where insulation of significant importance.