Having bought a new apartment or house, everyone is in a hurry to make repairs. But also the front door will not be left without attention. Because it is your personal safety and the safety of your property. We would recommend choosing a fire -resistant door. Such a door today is popular not only in apartments and houses, it is also installed in offices and factories. In the case of a fire, such a door cuts off fire, does not allow flames to spread, which will allow people to evacuate safely.
The door can be metal, steel and rarely aluminum. The existing market will provide you with a wide range. And also for the purchase you can use specialized stores. It is very important to have quality certificates for such stores. The main thing is that the door is sheathed with steel with the folds, and there are mineral slabs inside.
Technical characteristics are the main indicator. They must be approved by SNiP from 21.07.97 — fire safety of buildings and structures. We recommend that you purchase it only from the manufacturer. The fire resistance of the door is determined by: E — an indicator of the loss of integrity and I — isolating ability, and its EI limit is 30-60. The thickness of the material should be at least 4 mm, and the combustibility group should be at least g3.
The door is painted only with refractory paint, it should withstand the temperature of 600-700 ° C. Insulating materials inside the front door should not heat up. The anti -drum strip is the sealing of the opening. You will also need permission for the door built at the door. Otherwise the supervision services may prohibit its operation.