Without an entrance door you cannot imagine a single apartment or a private house. It not only protects us from uninvited guests, but also is able to keep warm. Today I want to focus on individual buildings. This is where the problems arise. Let's look at the door with thermal break. Consider their features and specifications.
Doorstep know-how
To begin with, it is worth telling what thermal break is, and for this you need to remember the law of physics. It says: all materials are capable of giving and receiving heat. This transfer is made from a warm area to a cold one. Steel entry groups are no exception. When it is cold outside and the house is warm, heat transfer begins, and here the cold gradually penetrates into the room.
In order to somehow reduce the heat transfer process, resort to the help of thermal break. Simply put, this is an element of the inner part of the door, which is characterized by low thermal conductivity.
You might never see doors with thermal breaks, but you encounter this effect every day, for example:
- put a kitchen glove on your hand before taking something hot;
- Wear warm clothing before going out onto a snowy street.
Application
This effect in the manufacture of entrance doors began to be used not so long ago. Prior to this, it was replaced by a second partition. And more precisely, it was an additional door that created the very barrier and absorbed all the cold air. This method has not gone anywhere, but just to replace the bulky structures, the installation of which takes a lot of effort, time and money, an alternative has come. New products look aesthetically pleasing and hold heat well.
Manufacture
Surely you will be interested to know what a door with a thermal break consists of. Testimonials show that it is increasingly such models that are becoming sales leaders. And if you look inside it, you can see the following:
- Outer metal sheet with decor.
- Cork fiber.
- Polyurethane foam.
- Folgoizolone.
- Styrofoam.
- Inner metal sheet.
The thermal gap in this design is foil isolone, which is used to lay the middle of the inner space of the door leaf.
Certification
Arriving at the store, do not buy the first door that comes across. It's time to study all the technical documentation. High-quality doors must be made in accordance with GOST 31173. This information should be provided to you by a sales assistant. And also on goods of this quality you must provide additional information. Namely:
- Documents for testing the door. All certified products must have similar conclusions. In them you will find all the test results in the field of sound insulation, heat transfer, reliability and air circulation. The total number of checks should be about 8 points.
- A separate act of testing thermal conductivity. The door passes the test, during which the temperature balance must be maintained: on one side of the product the temperature should be about -20 degrees, on the other - +20. There can be no heat leakage, standards require it.
If the manufacturer has all the documents available, then such a door with thermal break can be safely purchased.
Features
Now you should tell you about the advantages of such an entrance door. This includes:
- reduced heat loss to a minimum;
- reduced energy costs;
- the door can be operated for a long time.
I would also like to note that there are no shortcomings in such a door. Unless the high cost, but its quality is worth it. The price for such a product starts from 22 000 rubles.
Additional materials
We are getting acquainted with such an interesting product, without which no building can be imagined. What does a door with thermal break look like? The photo will show you in more detail what a quality product looks like.
When listing heat-insulating materials, we did not mention fiberglass. With it, the door is cheaper. But in the slightest fire, fiberglass burns strongly and releases toxic substances.
The view matters
Low thermal conductivity and original design have all entrance doors with thermal break. Reviews of people speak about the popularity of such models. Here is what users say about them:
- Excellent value for money and quality.
- Doors perform well even in severe frosts.
But buyers identified major flaws:
- High price.
- Expensive door installation and maintenance services.
- Often the installation is carried out by incompetent workers, after which the effect of thermal break is not felt.
And of course, attention should be paid not only to internal materials, but also to external ones. It all depends on your preferences and wallet capabilities. You can make an exclusive design that will emphasize the style of your home. The door trim on the inside can be made of wood, chipboard or laminate.
Installation
Be sure the door must exactly fit your doorway. To do this, you need to contact the help of the measurer, but you can do this procedure yourself. And then everything is simple. Order a door of the size you need and wait for the installation wizard.
Advice! Do not install the front door with a thermal break yourself. This is especially true of the situation when it is necessary to do this on the border "street-house". All work must be carried out by specialists in order to obtain perfect tightness.
Now you know that doors with thermal breaks are the best option for a private house that does not have a vestibule. You can forever forget about the accumulated condensate and constant drafts.