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- They inhibit the transfer of heat from the interior to the environment
- Provide excellent thermal insulation, lack of ice and condensation
- Non-freezing blocks withstand multi-degree temperature drops
- Keep their original geometry
- The thermal resistance of such modifications is identical to standard brickwork
- Three-circuit magnetic seal
- Outflow of heat from the room.
- The constant formation of condensation from the inside up to the real sagging, forming puddles in front of the door.
- The formation of frost on the canvas and box.
- Icing of the structure during severe frosts - up to the freezing of the sash and freezing of the castle.
- Thermal separation of the box and door leaf with bolted connection.
- Thermal break of the box and web through the thermal insert.
- Thermal break through micro-cuts in the box and canvas.
- absence of a temperature difference between the external and internal sides of the door,
- humidity in the room is not higher than 60%.
- Heated tambour: street - entrance door with thermal break - warm vestibule - second door without thermal break - living room.
- The tambour is unheated: street - the front door without thermal break - cold vestibule - the second door with thermal break - residential premises.
- In a homogeneous opening (made of concrete, brick and other materials), entrance street doors with thermal break are installed at a distance of up to 2/3 of the thickness from the inner surface of the wall.
- If the wall opening has a heater, then metal doors with thermal break are placed behind the heater (in the warm part of the wall).
- It is necessary to insulate the doorway. Need thermal insulation from the airspace of the premises of metal structures with high thermal conductivity. Otherwise, moisture will condense on the inside of the front door of the house with thermal break.
- you need to buy not one, but two doors for installation - additional costs
- the door on the border with the street should open inside the vestibule, which means you need a lot of space
- not every house can be equipped with a vestibule.
- Powder Coated: the coating, which contains nickel, zinc and magnesium ions, reliably protects the canvas from damage, and a beautiful steel luster gives a respectable and reliable look.
- From the array: Wooden texture and color have long been highly regarded by designers and customers. The tree always looks noble and elegant, no matter in which interior it is involved.
- From MDF: this option also allows you to buy a tree to decorate the facade, but at the same time save. MDF has proven itself in terms of performance, but it is much cheaper than solid wood.
- Before starting work, preparation, careful removal of the old structure is needed. Dismantling external elements can be quite problematic, especially if they are iron. This is a troublesome job, and a professional team will cope with it much faster, better and cleaner, having the necessary skills and tools.
- Often during installation, additional work is required, which can only be done using professional equipment: welding, widening the opening. Buying your own expensive tools, mastering them to perform just one operation is unreasonable, it is much easier to turn to experienced specialists.
- Even the best frost-resistant design can make improper installation useless. Only true professionals can do everything in one hundred percent quality manner, which will ensure the comfort promised by the brand to your home. Sometimes an illiterate installation is guilty of product inefficiency. Do not risk the money spent on a good thing, contact the real masters!
Street door operating conditions
The front door is exposed to temperature changes. In winter, the house is much warmer than on the street. Due to temperature differences, condensation may form on the inside of the door.
In physics, this phenomenon is called the “dew point”.
The dew point is the temperature to which air must be cooled so that the steam reaches a saturation state and begins to condense into dew.
In the strong Russian frost, the temperature difference inside and outside the house increases significantly. Because of this, the condensate freezes almost instantly, forming ice. Freezing hardware: locks, door handle. Rust forms on the metal, which shortens the life of the door.
You can avoid these problems by installing an entrance door with thermal break.
How does thermal break work?
The principle of operation can be explained as “two doors in one”, since two doors are connected to each other through heat-insulating material.
As a material with low thermal conductivity, for example, a cork or an MDF board is installed in the door.
Sounds complicated? We use an analogy. Imagine that you cook pasta and put a spoon in a pan to mix. The spoon is hot, it is impossible to hold it. What are we doing? Take a potholder and calmly interfere with pasta. Tack - this is the thermal break.
At the door, it works on the same principle. Well, maybe the design is more complicated.
Thermal Break Door Catalog
Outdoor door with thermal break for giving PD-4252
Price: 14 500 rub
Street door with thermal break for giving PD-4253
Price: 14 500 rub
Street door with thermal break for giving PD-4254
Price: 14 500 rub
Street door with thermal break for giving PD-4256
Price: 15 500 rub
Street door with thermal break for giving PD-4257
Price: 15 500 rub
Street door with thermal break for giving PD-3328
Price: 16 725 rub
Street door with thermal break for giving PD-3330
Price: 16 875 rub
Door with thermal break for giving PD-4260
Price: 17 000 rub
Door with thermal break for giving PD-4261
Price: 17 000 rub
Door with thermal break for giving PD-4262
Price: 17 000 rub
Door with thermal break for giving PD-4263
Price: 17 000 rub
Door with thermal break for giving PD-4264
Price: 17 000 rub
Door with thermal break for giving PD-4265
Price: 17 000 rub
Street door with thermal break for giving PD-3329
Price: 17 250 rub
Entrance door with thermal break for a private house PD-4085
Price: 19 500 rub
Entrance door with thermal break for a private house PD-4088
Price: 19 500 rub
Street door with thermal break for giving PD-3331
Price: 19 575 rub
Street door with thermal break for giving PD-3332
Price: 19 575 rub
Entrance door with thermal break for a private house PD-4080
Price: 19 875 rub
Entrance door with thermal break for a private house PD-4081
Price: 19 875 rub
Entrance door with thermal break for a private house PD-4083
Price: 19 875 rub
Entrance door with thermal break for a private house PD-4086
Price: 19 875 rub
Entrance door with thermal break for the cottage PD-4089
Price: 19 875 rub
Entrance door with thermal break for a private house PD-4084
Price: 20 250 rub
Door with thermal break for giving PD-4258
Price: 20 500 rub
Entrance door with thermal break for a private house PD-4079
Price: 20 625 rub
Entrance door with thermal break for a private house PD-4087
Price: 20 625 rub
Entrance door with thermal break for a private house PD-4076
Price: 21 000 rub
Entrance door with thermal break for a private house PD-4077
Price: 21 000 rub
Entrance door with thermal break for a private house PD-4078
Price: 21 000 rub
Entrance door with thermal break for a private house PD-4075
Price: 21 000 rub
Entrance door with thermal break for a private house PD-4082
Price: 21 375 rub
The door metal entrance street warmed with a thermal break PD-4276
Price: 21 500 rub
The door metal entrance street warmed with a thermal break PD-4278
Price: 21 500 rub
Door metal entrance street insulated with thermal break PD-4280
Price: 21 500 rub
Entrance door for a country house with thermal break PD-4108
Price: 21 750 rub
White metal door with thermal break thread
Price: 21 750 rub
MDF metal dark door for a private house with thermal break
Price: 21 750 rub
Thermal breaking white entrance door to the apartment
Price: 21 750 rub
Entrance door with thermal break for a private house PD-4074
Price: 21 750 rub
Door with thermal break for giving PD-4259
Price: 22 000 rub
The door metal entrance street warmed with a thermal break PD-4284
Price: 22 000 rub
Metal street door to a private house
Price: 22 050 rub
The door metal entrance street warmed with a thermal break PD-4282
Price: 23 000 rub
Red thermal door with glass and forging
Price: 23 250 rub
Double-leaf MDF door with thermal break
Price: 23 250 rub
The door light with glass thermal explosion-proof for a private house
Price: 23 400 rub
Entrance office metal door with thermal break MDF
Price: 23 400 rub
Entrance door with thermal break for a country house PD-3141
Price: 23 700 rub
The door to the apartment is metallic dark color with thermal break
Price: 24 000 rub
Entrance door with thermal break for a private house PD-3144
Price: 24 375 rub
Metal entrance door with thermal break and MDF TE8
Price: 24 750 rub
TE20 Thermo-Powder Insulated Door
Price: 24 750 rub
Thermal powder-coated door TE22
Price: 24 750 rub
Door metal entrance street insulated with thermal break PD-4270
Price: 25 000 rub
Street door with thermal break insulated PD-4271
Price: 25 000 rub
Street door with thermal break insulated PD-4272
Price: 25 000 rub
Street door with thermal break insulated PD-4273
Price: 25 000 rub
Street door with thermal break insulated PD-4274
Price: 25 000 rub
Street door with thermal break insulated PD-4275
Price: 25 000 rub
Non-freezing doors with thermal break
Prices for doors with thermal break in Balashikha
| Execution option | Cost | Weight | Double wing weight |
|---|---|---|---|
| Powder coating on both sides | 31 000 rub. | 95 kg | 120 kg |
| Powder coat + MDF | 37 000 rub. | 105 kg | 135 kg |
| MDF on both sides | 43 000 rub. | 115 kg | 150 kg |
It is possible to manufacture street doors with thermal break for any customer size
Materials used in the manufacture
PVC inserts. Installing a product with this type of insulation will be effective in a region where there are no very severe frosts - it is difficult for plastic to cope with excessively low temperatures.
Mineral wool with polystyrene foam - the modification thus insulated is characterized by perfect tightness and can be operated at temperatures up to -25 ° С.
Fiberglass - this material at high ambient temperatures can produce harmful fumes, therefore, such structures are never mounted in residential buildings and places with high traffic.
Array Wood is not only an environmentally friendly and natural material, it also has a very high density, which favorably affects the insulation parameters. However, such a finish is characterized by a high price.
Scheme of work
Leave a request on the site, request a call back, or call us by phone
A specialist leaves for you to take a measurement and conclude a contract. Prepayment from 30%
Making Your New Front Door
Delivery and installation of the product. After you pay the remaining amount.
Street Metal Door Problems
If you install at the entrance to the house, albeit solid, reliable, and durable, but an ordinary steel door, you can get a number of problems.
Heat losses are caused by a high coefficient of thermal conductivity of the metal, the doors “cry” and “freeze” due to increased humidity and dew point. In cold seasons, the door leaf and the frame cools down to a temperature at which moisture from the air begins to condense on the surface (dew point).
The higher the humidity, the smaller the temperature difference will cause condensation to form. With the onset of frost, the condensate is converted to ice.
In addition to the fact that the current or icy entrance door is problematic in operation, constant humidity provokes depressurization of the circuit, corrosion of the metal base, deformation and reduction of the service life of the structure.
What is the thermal break of the front door and why is it needed
Initially, to reduce heat loss, door structures began to be insulated using various heat-insulating materials. Insulated doors minimize heat loss, and the dew point is shifted to the insulation. But due to the presence of cold bridges in the places of contact between the inner and outer canvas, they cannot completely solve the problem of condensation and freezing. To prevent any contact between the external and internal metal elements, we developed doors with thermal breaks of the frame and web. Thermal separation does not allow the freezing parts to come into contact with the warm ones, that is, prevents condensation due to overcooling of the sheet and prevents the door block from freezing.
According to the design, steel doors with thermal break are divided into three main groups.
The largest group is because the connection method is simple and not very technological. We drive in the search engine “door with thermal break” and see almost the same thing in 97% of cases. And this: in the canvas there are several types of insulation, in the box there is a bunch of foil box and cork substrate. All this “cabbage” is stacked in various variations with fixation on a steel bolt-nut (box) and rivets (leaf). Find me at least one picture, where besides the description of a heap of materials for thermal fracture, there is an arrow-pointer to steel bolt-nuts. You also will not find arrows for steel riveting (self-tapping screw) when describing a sheet with thermal break ...
The thermal insert is a part, not a substance. The thermal break is made without the use of metal fasteners, since the insert is the fasteners. The door uses one type of insulation. The assembly procedure of the door is such that the structure is first assembled in size, and only then the insulation is poured, which when hardened gives the required stiffness ...
The thermal break is made by laser cutting. In the manufacture of blanks for boxes and sheets, cuts are made in the metal with a minimum gap from each other. Thus, the manufacturer reduces the cross-sectional area of the cold bridges. The effectiveness of this method raises my doubts, which is confirmed by oral reviews.
As practice shows, a single-layer, but effective heat insulator in a door with a thermal break is sufficient.
For a door not into the front door, but outside, it is better to use polyurethane foam (PPU), the condensate inside the sheet will be several times less since there are no stiffeners, which are good cold bridges. The most ideal option on the street is a door with PPU and thermal break of a box and a cloth.
So that condensation does not form on the door, it is important not only to have a thermal break, but also to maintain such a temperature and humidity regime at which the temperature difference will be less than that required for dew.
What to look for when choosing a door with thermal break
Most people find it very difficult to figure out which warm door to put in the house. And if the conversation is about thermal break, it complicates the situation in the choice even more ...
There are several fundamental parameters.
The most important thing when choosing a door to the street-warm room border is the manufacturer’s guarantees and compliance with the operating conditions. Warranties should not be based on an advertising slogan, but on actual testing. You have the right to request a test report that states the indicators of resistance to heat transfer. You should familiarize yourself with the operating conditions at the stage of signing the contract, and also issue a passport for the product, in which all this must also be present.
Well, also pay attention to the design of the door. Thermal break is created in order to exclude cold bridges. And if the door structure is assembled through screws, is there really no cold bridge in this case? Isn't metal the best conductor? Lay at least as many gaskets between the nut and the screw, but the contact of one metal with another cannot be avoided, and it is at this point that the cold will go. When closing non-standard openings, not only the door, but also the shelf and transom must be performed with thermal break.
The desired thickness of the door block with thermal break depends on climatic conditions - the colder the region, the higher the resistance to heat transfer should be, respectively, the door is thicker and its design is more technologically advanced.
There is an opinion that thermal rupture is another advertising move, and condensate is “treated” with a wooden door.
Tell me, in fact, thermal rupture gives some real effect or is it a marketing ploy? I warm the house, we start to drive periodically and in the winter, the question is about replacing the simplest metal door with synthetic winterizing insulation with a normal one, primarily the issue of heat is of interest. There is no tambour, a huge visor (terrace). While the weight of the doors with thermal breaks is confusing: the house is 10 years old, but it breathes, the log house walks over time, and the front door is all the more in the frame veranda. I'm afraid 100 kg will not pull, there will be deformation. I think he can spit and put a second wooden door, but I don’t want to lose free space.
It was our company that brought the concept of "thermal break" to the door market. For us, this is not an advertising ploy, but a technical solution, confirmed by tests in a specialized accredited laboratory.
As for the wooden door - a quality solid door, of sufficient thickness for the front door also has a high weight. Moreover, it has a huge minus - when the temperature drops, the tree expands / contracts and it either does not close, then, on the contrary, leaves large gaps through which the cold passes.
Features of installing doors with thermal break
Doors with thermal break are designed for installation on the border of the warm circuit and the street and, if necessary, can do without the device of a cold vestibule in the house. If this unheated buffer zone is planned, the installation remains on the heat-cold circuit, but moves inward.
Hello! There is an opportunity to make a vestibule. Is it necessary for this that one of the doors (for example, an external one) has a thermal break, or are two ordinary doors enough? Or is it better to put one good door with thermal break? I ask for advice.
To prevent condensation from forming on the door, 2 conditions must be observed:
Accordingly, you can make a vestibule, but then there are two options for installing doors.
Installation technology also depends on the design of the house.
In wooden houses and houses prone to shrinkage, it is recommended to install doors using an adjustable pigtail. This base (it consists of several elements) is assembled and inserted into the opening, and the door is already inserted into it. The casing for the front door in a wooden house plays an important role. It prevents the risk of deformation after installing the front door due to drying out and subsidence of the logs.
To prevent condensation, it is important to maintain the permissible humidity, but much depends on the installation.
When installing doors with thermal break, the following recommendations should be considered:
Output
Full thermal break of the entrance doors is not the number of layers and combinations of heat-insulating materials in the canvas, but the lack of contact between the internal and external metal parts of the door block. A door with a thermal break will reliably keep heat in the house and eliminate problems such as condensation and freezing.
The problem of condensation and freezing of the front doors is also discussed in the profile thread on the forum. A door with thermal break is the best option for an insulated terrace. In the video - Barnhouse for the holidays.
Thermal break in the canvas and duct
Thermal break can be placed both in the door leaf and in the door frame.
Thermal break in the box is a layer of insulating material, which is located between the outer and inner part of the box.
To operate the door at low temperatures, choose a model with thermal break in both the duct and the canvas.
Compliance with GOST
Now let us turn not only to physics, but also to legislative norms. All entrance doors must comply with GOST 31173. The main indicator when checking the door to street compliance in this GOST is heat transfer resistance.
In accordance with GOST 31173-2003, its indicator for steel door blocks is set at the level of - not less than 0.4 m2 · ° C / W.
In cold climates, where the average winter temperature is below -30 ° C, this indicator is recommended 2.1 m2 · ° C / W.
A high-quality door with enhanced thermal insulation and thermal break will ensure the fulfillment of this indicator.
Thermal break - replacing the tambour
The traditional solution to the problem of freezing the door is to equip an unheated vestibule zone.
The tambour is the room at the entrance to the house, which is the same thermal gap between the cold street and the warm house. Two entrance doors are installed in the vestibule - at the exit to the street and at the entrance to the house, which prevents the cold and warm air from colliding sharply.
However, there are drawbacks in the arrangement of the vestibule zone:
Entrance doors with thermal break - the best solution if you do not plan or do not have the opportunity to equip the vestibule zone. In any case, installing such a door will cost less than buying two doors and building a vestibule.
Types of finishes
The company "BusinessTorg" offers street doors with thermal break in three finishes, which you can also combine in different ways:
Thermal break door prices
| Price | |
|---|---|
| A type | Cost |
| Powder spraying | from 33 000 rub. |
| Powder spraying + MDF | from 43 500 rub. |
| MDF | from 56 000 rub. |
| Array + MDF | from 75 000 rub. |
| Powder spraying + solid | from 80 000 rub. |
| Array | from 100 000 rub. |
Installation Benefits
In addition to selling, we also deliver and install. Why do most customers order full service?
