The standard entrance door, known as a steel door, is made of two steel cores. The outer core is called in the professional language - the "narrow mantle" and the inner core is called - the "broad mantle". The cores are made of galvanized steel with a thickness of 1.25 mm. Between the cores are attached reinforcing ribs called "lengths" in the professional language. A telescopic part called an "insert" is attached to the bottom of the entrance door, its function is to optimally adjust the space between the door and the floor. There is rubber around the perimeter of the door that helps with thermal insulation Acoustic. Between the ribs of the reinforcement as defined as "lengths" there is a "rock wool" filling that helps with acoustic thermal insulation. Electrostatic painting at a temperature of 200 degrees
ืืืชืืช ืื ืืกื ืืคื ืฉืืืืืจ ืืขืื ืืขืืฆืืืช ืขื ืคื ืืจืืฉืช ืืืงืื ืืขื ืคื ืืขืื. ืงืืื ืืืืืจ ืืืฆืื ื ืืฉืจ ืขืืืจ ืชืืืื ืืืืืฉ ืจืืฉืื ื ืืืืคืฉืจ ืืฆืืข ืืืืืืข ืืชืื ืคืืืช ืืืืช.ืืชืืืื ืื "ื ืืืืขื ืื ืืืฉืงืืฃ ืืื ืืืืคืื ืืืฉืงืืฃ ืขื ืคื ืืฆืืจื. ืืื ืืชืืืื ืื "ื ืืชืืื ืงืคืืฆืืช ืฆืืข ืืฉืจ ืืืจืื ืืงืืืืฃ ืฉื ืืฆืืข ืืคื ื ืืฉืื.
ืืืืจ ืืืืืฉ ืคื ื ืืฉืื ืฉื ืืืืช ืื ืื ืืืง ืืืจ ืืคื ืฉืฆืืื , ืขืืืจืื ืืชืื ืชื ืืืืืง ืฉืื ืืืืงืื ืืช ืืืืช ืืฉืืืช ื"ืืืงืืจื ืกืืื", ืฉืืื ืฉืื ื ืงืื ืืฆืืข ืขื ืืืืช ืืืจื ืฉื ืฆืืข ืขื ืืื ืื ืืืงืืจืื ืืื. ืืฉืืื ืืืืงืืจื ืกืืืืช ืืงืืืช ืืืช ืืื ืืกื ืืืืื ืฉื ืฆืืข ืืื ืคื ื ืืฉืื ืืืืคื ืจืฆืืฃ ืืืืง.
ืืืืจ ืืื ืขืืืจืช ืืืช ืืื ืืกื ืืชื ืืจ ืืงืืืื ืฉืื ืืชืืฉื ืืฆืืข ืืืืคืจืืืจื ืฉื ื-210 ืืขืืืช ืืืืฆืจ ืืช ืืืืืืจ ืืกืืคื ืฉื ืืฆืืข ืขื ืคื ื ืืฉืื ืืืืืืฉืื ืืฉืจ ืืืคืืื ืืืงืฉื ืืืช. ืืฉ ืืฆืืื ืฉืื ืืืง ืืืืง ืืืืช ืขืืืจ ืืช ืืืชื ืชืืืื ืืืืืฉ ืืืืืง ืืงืืืื.ืืื ืืืืืื ืืกืื ืืืืืคืฉืจืช ืืืืืจ ืืืืงืืง ืืคืื ืืฉ ืืคื ืืฉืจ ืื ืืืจื ืืกืืงืื ืืืืืืจืื ืฉื ืืืืงืื ืืืืืืจืื ืืกืืคื ืฉื ืชืืืื ืืืืช ืืื ืืกื ืืืขืืฆืืช. ืืื ืื ื ืืชื ืืืืืืฃ ืืืง ืคืืื ืืื ืืฉืืจืช ืขืงืืืช ืืื ืกืืื ืฉืืื.
ืืืช ืืื ืืกื ืืกืืคืงืช ืขื ืืืืืจืื ื ืืกืคืื: