What is aluminum foil for insulation?

Aluminum foil for insulation is a type of aluminum foil that is used in various forms of insulation to help reduce heat loss or gain. It is a highly effective material for thermal insulation due to its low thermal emissivity and high reflectivity.

Aluminum foil for insulation is commonly used in the construction industry for insulating walls, roofs, and floors of buildings. It is also used in the automotive and aerospace industries to insulate vehicles and aircrafts. In addition, it is used for insulation in appliances, such as refrigerators and ovens.

The insulation properties of aluminum foil are due to its ability to reflect radiant heat. Radiant heat is the transfer of heat through electromagnetic waves, and aluminum foil is highly effective at reflecting these waves. This helps to reduce the amount of heat that is transferred through the material and into or out of the insulated space.

Aluminum foil for insulation is typically available in rolls or sheets of varying thicknesses, depending on the specific application and requirements. It can be used alone or in combination with other materials, such as foam or fiberglass, to provide additional insulation.

Aluminum foil for insulation parameters

  • Alloy: 1100, 1145, 8011 etc
  • Temper: O ( HO ), H22 etc
  • Thickness: 15 micron ( 0.015mm ), 40 micron ( 0.04mm ) etc
  • Width: 200mm, 1400mm etc

What is the disadvantage of aluminum foil insulation?

Aluminum foil can be used as an insulating material in certain applications, especially as a radiation barrier, and aluminum foil insulation has many advantages. At the same time, there are also many obvious shortcomings.

Limited R-value: Aluminum foil acts primarily as a radiant barrier, reflecting heat and light. It does not provide significant resistance to heat flow by conduction or convection. This means it may have a lower R-value (a measure of insulation) compared to materials like fiberglass or foam board insulation. For effective insulation, additional insulation may be required next to the foil.

Easy to tear and puncture: Aluminum foil is relatively thin and can easily tear or puncture.

Cost: Aluminum foil can be more expensive as an insulation material than other traditional insulation materials, adding up in cost.

Environmental concerns: The production of aluminum foil involves the mining of bauxite, which has a negative impact on the environment.

Limited effectiveness in extreme temperatures: Foil insulation may not perform well in extreme heat or cold.

Installation Complexity: Properly installing foil insulation can be more complicated than installing other insulation materials.

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Aluminum foil production line


  • Package: Wooden case
  • Standard Wooden case specification: Length*Width*Hight=1.4m*1.3m*0.8m
  • Once needed,wooden case dimension could be redesigned as required.
  • Per wooden case Gross Weight scale: 500-700KG Net Weight: 450-650KG
  • Remark: For special packaging requirements, corresponding shall be added accordingly.