Correctly picked up outer door and competent installation of the door lock can turn your dwelling into unapproachable fortress. As much as possible to secure the apartment against uninvited guests, it is the best of all to choose iron outer door.
Instruction
1. Choose doors at the heart of which – all-welded designs. They are most resistant to deformation and distortions and also to possible breaking. Box make of steel bent sheet that provides additional stiffening fin. For providing good warm and sound insulation the box is filled with basalt cotton wool or polyurethane foam.
2. Pay attention to that steel sheet on outer door was not only from external, but also from the inside. To choose iron outer door with high rates of durability and reliability, it is necessary to give preference to the powerful sheet of steel not less than 1.5-2 mm thick.
3. Additional stability of outer door is given by the stiffening fins located in cloth. The more such edges on door unit, the bigger firmness such design to breaking has. Besides the metal door with stiffening fins is ideal for mounting of large number of locks and other locking devices. It is better to choose outer door with one sheet of steel outside and several stiffening fins inside, than door with bilateral steel sheets, but without internal stiffening fins.
4. Upon purchase of outer door much attention should be paid to the choice of locks. Ideally it has to have two locks – the main and duplicating that provides the additional durability and reliability. It is the best of all to choose locks of safe type which lock door, both across, and down.
5. Loops of outer door have to contain the basic tempered ball or the support bearing. Such design will protect loops from fast deleting and will save in the future from such problem as shrinkage of door.
6. It is necessary to pay attention and to covering of metal outer door. Today one of the most qualitative coverings is the structured high-strength powder enamel. Such covering possesses high rates of durability, is characterized by electric insulation and anticorrosion properties, resistance to effects of acids, alkalis and organic solvents. Besides powder enamel – eco-friendly covering.
7. Upon purchase of metal outer door pay attention and to its interior finish. Agree that she has to fit into interior of your apartment or house harmoniously. The most popular finishing is the decorative film of d-s-fix, the laminated or shponirovanny panels today.