Which door to choose for an apartment?

If you need to buy a metal door for your apartment, then only the size of your wallet will be the defining principle in its selection. The existing varieties of input structures (if they do not have a specialized orientation) are made according to the same scheme: steel box, threshold and platbands; solid all -metal canvas 2 mm thick; a durable frame on which the canvas is sewn; stiffness ribs (their number can vary), they can also be horizontal, vertical or represent their combination; locks and locking mechanisms; the inner layer of (or several) insulation, which provides heat and sound insulation of the room; a layer of sealing around the entire perimeter (most often rubber); It increases the density of closing, prevents the occurrence of drafts and the penetration of smells from the outside; loops (on supporting bearings) fittings (eye, handle); additional elements (armored lines, closers, etc. D.); External facing canvas (material).