Entrance metal door, drawing, composition
What is the weight of a metal front door? : Entrance Metal Door, Drawing, Composition
Quote from Article entitled What is the weight of a metal front door?:
In addition to the standard apartment doors there are special models which are much heavier. For example, the weight of metal fire-resistant doors can be up to 130 kg. It includes the weight of the metal door block and the fire-resistant mineral wool. The size of such a door also affects its weight. Fire-resistant characteristics of the fire-resistant doors do not depend on the thickness of the sheets. The main criteria are the thickness and density of the insulating filler of the door. Weight of the heavy-duty doors having two or three layers of steel may exceed 150kg.
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