Classic door models come in a variety of designs and colors, so you can match them to both modern and classic buildings. You can choose from timeless white or elegant golden oak, but this is only one of many color options. Classic doors are 50 or 60 mm thick versions, which differ in construction, which affects the heat transfer coefficient. Thicker doors insulate heat better, additionally protect against disturbing noises from the outside.
“Altas is the official representative of GERDA, the leading manufacturer of exterior doors in Eastern Europe. GERDA reinforced metal exterior doors are specially designed for exterior conditions, so their security is not affected by changes in temperature, humidity or other weather conditions. The door leaf is filled with compressed polyurethane foam for excellent thermal and acoustic insulation. GERDA has a huge range of exterior and interior door models, so you’re sure to find a choice.