Door leaf is prepared with 4-6-8-10mm MDF wreathed with pvc membrane. Endoskeleton of the door is produced from oven-dry, sbag cleared fir tree or spruce tree. There are double spars beneath the door and locks, hinges produced from corner angle blocks. There is used craft cooler core or grid system inside the door optionally. Blade edges is produced by pvc sidebands. Blade thickness is 41mm. Case: It is produced with 12-17mm oven-dry and fingerjointed expletive panel between 12mm MDF surfaces. It is prepared as immature and it is covered by PVC membrane. Edge: It is produced with rolled PVC membrane over 9-18mm with various widenesses.