Table of thermal conductivity of building materials: coefficients

The heat in the building napyaryamuyu depends on the thermal conductivity of building materials

What is the thermal conductivity?

Thermal conductivity - heat is the transfer of energy from the heated parts of the room to the less warm. This exchange of energy will occur until the temperature is balanced. Applying this rule to fencing systems at home, it can be understood that the process of heat transfer determined period of time for which the temperature equalization occurs in rooms with environment. The time is more, the thermal conductivity of the material used in the construction below.

Lack of home insulation will affect the temperature of the air inside the room

For materials having heat conductivity is used a concept such as the thermal conductivity. It shows the amount of heat per unit time period passes through a unit surface area. The higher a similar rate, the more heat, so the building will cool down much faster. That is, in the construction of buildings, houses and other premises must use the materials, the heat conductivity of which is minimal.

Thermal conductivity, density and water absorption of some building materials

The use of the thermal conductivity index in practice

The construction of all the materials conventionally divided into thermal and structural. Structural materials characterized by maximum performance thermal conductivity, but that it is used for the construction of walls, ceilings, other protections. According to Table thermal conductivity of building materials in the construction of concrete walls for low heat exchange with the environment structure, the thickness should be about 6 meters. In this case, the structure will get a huge, cumbersome, and require considerable expenditure.

An illustrative example - with a different thickness of their thermal conduction coefficient of materials is the same

Therefore, in the construction of buildings should be special attention paid to the additional heat-insulating materials. A layer of insulation may not be needed only for buildings made of wood or foam, but even when using such raw nizkoprovodnogo design thickness must be at least 50 cm.

Need to know! In thermal insulation materials thermal conductivity values ​​of the indicator are minimal.

The thermal conductivity of the finished building. Options insulation constructions

In the development of the construction project is necessary to consider all possible options and ways to heat loss. A large amount can go through:

• walls - 30%;
• roof - 30%;
• doors and windows - 20%;
• Floor - 10%.

Non-insulated heat loss of a private house

If the wrong calculation of the thermal conductivity at the design stage, remains satisfied tenants only 10% of the heat from the energy. That is why houses built from standard materials: bricks, concrete, stone, we also suggest to insulate. The ideal structure table according to thermal conductivity of materials of construction must be made entirely of insulating elements. However, low strength and minimal resistance to stress limits their application.

Need to know! With proper arrangement of any insulation waterproofing high humidity will not affect the quality of the insulation resistance of heat transfer and construction will be significantly higher.

The required thermal insulation and waterproofing to keep warm in a private house

Table of thermal conductivity of building materials: coefficients

This table summarizes the thermal conductivity of the most common building materials. Using similar directories, you can easily calculate the required wall thickness and the applied insulation.

Table coefficient of thermal conductivity of building materials: