Preparing for winter - troublesome, and if you had to replace the little old windows with new double-glazed windows with plastic, and in your apartment is still in the winter pretty cool, it means, that the heat leakage from the room comes through the front door. In fact, process input thermal insulation metal door, looks approximately as follows: the web is laid on a layer or several suitable insulant, and then, it is sheathed, any suitable material.
Where to buy a heater
Heaters are sold in DIY stores offline, and the web, much more profitable, and therefore wiser to buy a heater in Tyumen online-store company "Irtysh-Basalt", which is more than six years of work in the market of the Tyumen region and the city of Tobolsk.
Process insulation door leaf dependent on the quality characteristics of the door, eg, metal hollow inside of the door is insulated a little differently, than the front door, made of solid wood. Warming of the wooden door is made from the hallway, which means, that the upholstery should be selected under the existing interior space. On warming hollow metal doors should talk a little bit more.
How to insulate a metal door
Technically, the process of warming of the hollow metal door looks: get access to the inner space, which is filled with a layer of insulation, then the door leaf side is sheathed hallway or artificial leather with an additional layer of insulation, any tree.
Another point, is the creation of strips of wood or "allowances" leatherette them on the perimeter of the door leaf, which would prevent the penetration of cold air into the apartment from the entrance. Sheathing or not the outside of the door polotka - you decide. In principle, deal with the kind of work you can manually, spending its execution a day or two, but you can invite professionals.