El Prema - Matrix Exterior Door, Walnut

Both the sash and the frame are covered with a moisture-resistant board, ash veneer, which ensures durability and resistance to moisture. The thermal insulation and acoustic filling with mineral wool effectively reduces heat loss, and the heat transfer coefficient of 1.2 W/m²K makes the door energy-efficient. The set includes a handle, signboard, visor, silver-colored inserts, frame, threshold, 2 three-prong locks, adjustable lock catch, hinges adjustable in 3 planes. In addition, the door is equipped with an anti-burglary shutter, which increases security and protects against burglary. Matrix doors have a sound insulation class of Rw = 42 dB. They come with a 2-year warranty.