Ceiling Insulation R-Value

By using ceiling insulation R-Value with the correct ceiling insulation r value, one will be able to have a comfortable home.

With the correct ceiling insulation R-Value during winter, such homes will remain warm while during the summer, the house will not heat up. This saves energy and hence money.Material used to make a ceiling insulation also greatly affects the insulation property. Most materials which are good thermal conductors normally have lower r value while materials that are poor thermal conductors have higher r value.

ceiling insulation r-value

The Technical Information on R-values

R-value – or more commonly known as Thermal Resistance is an indication of the products performance. A higher R-value will mean a better insulating affect the insulation will have.

  • R-value = Thickness of the material
  • K-value= Its Thermal Conductivity

The K-value is determined in an accredited laboratory and the thickness of the product is determined by the manufacturer.

A sample of the product will be produced by the manufacturer at a stated density (weight) and will be sent to the laboratory for testing. What needs to be achieved here, is a low K-value (thermal conductivity). The product needs to be a bad conductor of heat flow.

Once the results come back for the k-value, the R-value can measured effectively, example:

A 50mm blanket that has a tested K-value of 0.046:

Thickness 0.05/ K-value 0.046 = 1.08 R-value

As long as the same thickness is used by the manufacturer in his range at the same density as the submitted sample, he can use the same K-value and formula to determin the R-values.

A 100mm blanket example:

Thickness 0.1 / Tested K-value 0.046 = R-value 2.17

The determined R-value’s in the above examples are the ceiling insulation R-value. Remember that the ceiling and roof tiles as well as other roofing materials also have a small insulating affect. So the total R-value of both the insulation materials and the roofing materials must be considered. If you have a 2.17 R-value from the insulation material, and a 0.53 R-value from the roofing materials, you get a total R-value of 2.7.

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Normally, a thicker insulation will have a higher r value than another insulation made from the same material. This explains why thicker insulations provide better insulation. However, thicker ceiling insulations tend to be bulky and heavy and are not practical for most uses.

Depending on the environment conditions of an area and the requirement of the residents, one is able choose the right ceiling insulation r value to satisfy his or her need. The main factors that affect the r value of a ceiling insulation are its thickness and the material used.

When building a house, ensuring that it loses the minimal energy is very important especially in areas that experiences winter or very cold weather.  A house that is well insulated is comfortable to live and is also pocket friendly to its residents since they will spend lesser on energy bills. One of the main parts of the house that provides insulation is the ceiling.

Ceilings are not only for beauty, they have the responsibility of minimizing heat exchange between the air in a room and that above the ceiling. As a measure of thermal resistivity, ceilings are assigned r value. Ceiling insulation R-value is the ratio of temperature difference across the ceiling and the heat flux. Heat flux is the amount of heat moving across the ceiling.

Think Pink Aerolite is a thermal and acoustic ceiling insulation.

Aerolite is lightweight, easy to use and fits snugly even in those seemingly impossible to reach places. There is very little wastage as the off cuts are used to insulate your geyser and water pipes, immediately creating a power saving on your geyser… just like that.

  • Aerolite can be installed in existing or new homes at any time.
  • Aerolite is environmentally friendly, non-combustible and our new fiber technology also ensures a much softer surface than before, making it more user friendly.
  • Aerolite is manufactured according to ISO 9001 Quality Management System standards and is SABS certified (SANS1381-1-).
  • It is produced from a combination of naturally occurring minerals such as silica sand which is a sustainable resource and up to 80% recycled glass.
  • Saves energy and reduces your electricity bill
  • SABS tested , certified to SANS 1381- 1
  • Non – combustible
  • Excellent sound absorption
  • Manufactured from sustainable resources
  • Up to 80% recycled materials
  • No associated health risks
  • Lightweight and easy to install
  • No associated health risks
  • Lightweight and easy to install

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