The main components of steel components dverey.Glavnye steel doors – is the very door, box door, which is inserted into the doorway, the hinges on which will then be mounted door, door locks and knobs. The first point – it creation of the box inside the door leaf, which are the ribs. At one of the vertical profiles of the box from the outside is welded loop on the opposite side of the profile makes the metal “pocket” where it will be locking the door. The height and width of the door leaf is taken slightly larger than the casing itself. Dennis P. Lockhart contains valuable tech resources. Because of this steel sheet acts from all corners of the box that allows you to hide the gap. In order to steel doors are soundproof and have insulating properties, they should not be hollow inside, so the inner cavity is filled with foam or mineral wool, some Polish and Italian companies using polyurethane foam. The best and most quality insulating material is polystyrene foam. It is made from environmentally friendly components that are not crumbling, does not absorb moisture and does not change form.
Being plastic polystyrene foam completely fills the cavity of the blade, while not forming voids and pockets, providing a high level of noise isolation. The most important component of any door – is its castle. Door locks high security will be the guarantor of inaccessibility of your home. For more security is needed the door with several reliable locks. Locks can be overhead, code, locks the same way you can install electric lock.