What is insulation?
is a material capable of extracting heat not to be transmitted to other parts in a light manner It consists of many tiny air bubbles, which have the property of blocking the heat in the air bubbles Does not bring heat to other parts, commonly used to install on the roof of the house To reduce the heat of sunlight that causes heat inside the residence. It can also be used to install in the ceiling area as well.
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Features of insulation
Each type of insulator will have heat resistance different which good insulation is required heat resistance that passes from one side to the other to reduce The lower the coefficient of thermal conductivity (K value), the higher the insulation resistance.
The thermal conductivity coefficient (Thermal Conductivity) is the value that shows the ability in heat transfer with the thermal conductivity of the material Also known as “K-value”, it has units of W/m2K or Btu/(hr ft °F). The higher the K value, the more heat conduction. For example, metal materials tend to have higher K values than plastic materials, etc. To prevent heat from entering the house Should choose a material with a low K value itself.
How many types of insulation are there?
– Type 1 is fiberglass or fiberglass insulation.
It looks like yellow fiber. There are both rolls and sheets, but some may have foil. Lining on one side. Fiberglass insulation has the property of insulating heat. Fireproof up to 300 degrees Celsius and soundproof as well. but fiberglass insulation There is a limitation on humidity. When exposed to water, it collapses. making it impossible to prevent heat
– Type 2 is cellulose insulation.
It is an insulator made from wood pulp. or pulp However, it has to be put in to prevent the spread of fire. Most of them are sprayed under the roof gap or ceiling. They have the same thermal insulation properties as fiberglass insulation. But the installation is quite cumbersome. because it must be sprayed into the roof To be thicker than 2 inches.
– Type 3 is aluminum foil insulation.
It is a heat-reflective insulation that has a shiny surface. It looks like a thin sheet of aluminum foil, making the insulator not accumulate heat. There is an important feature that is able to radiate less heat. when installed under the roof will allow less heat to be transferred into the house thus preventing heat well
– Type 4 is foam type insulation.
There are both sheet types such as polyethylene or sprayed types such as polyurethane foam. can prevent heat well but if compared will find that the type of foam insulation can prevent water and moisture resistance but is allergic to the sun’s UV rays. therefore not appropriate with the implementation at high temperatures for a long time Because it has a melting point below 100 degrees Celsius, it may warp or fire.
– Type 5 is ROCKWOOL insulation.
It has the property of insulating heat. Like fiberglass and cellulose insulation, but with better fire resistance. and can absorb sound Looks like a sheet or a solid lump, but has a limitation on wetness as well.
– Type 6 is another type of insulation.
This type of insulation is lightweight brick type. and gypsum board that can be used Can be insulating against heat But the quality is not as good as fiberglass insulation.
Principles for considering the selection of materials insulation is the ability to prevent heat (R-Value) operating temperature range Heat deformation, water and moisture resistance, insect and mold resistance, and health safety. deterioration and maintenance Which must be selected according to the nature and type of use Just as it allows you to choose Suitable insulation materials and can help save energy in your home.