Ceiling insulation refers to the material that is installed in a building’s ceiling cavity in order to reduce heat transfer and improve energy efficiency. It acts as a barrier between the interior and exterior of the building, helping to regulate the temperature inside and prevent heat loss in winter and heat gain in summer.

Ceiling insulation can be made from a variety of materials and it is typically installed between the roof and the ceiling or in the attic. The type of insulation used, as well as its R-value, can have a significant impact on the effectiveness of the insulation and the overall energy efficiency of the building.

Ceiling Insulation Reduces Energy Consumption

ceiling insulation

Ceiling insulation slashes cooling and heating bills by nearly half. Keeping it cooler / warmer for longer periods. This reduces greenhouse gas emissions. Use aerolite insulation to keep cool in summer and warm in winter!

Another thing that influences the appropriate level of ceiling insulation products is climatic conditions. Establish if the product is needed to keep the heat out or in.

Moreover, insulation products need to cater to daily temperature variations as well as seasonal changes. Using design techniques with ceiling insulation materials is also important.

If the product is installed in a house that is not properly shaded or does not have thick curtains to block out the sunlight, heat can build up and the ceiling insulating material can have a reverse effect. This could potentially make it hotter indoors and trapping the heat under the insulation.

Ceiling Insulation Price South Africa


Getting a quote to have your home professionally insulated is a wise choice. The ceiling insulation price in South Africa might vary a bit between installers. Many factors affect the cost like the thickness of the material, R-value and the area that you stay in. Things to consider before getting the ceiling insulation price:

  • Size of the home (Minus off garages and verandas)
  • How low is the roof? (different ceiling insulation price per m2 for low/difficult installations)
  • Wires are in the roof (many wires makes hard work installing)
  • How dirty is the roof? Should you vacuum?
  • The distance the installer needs to travel.
  • The chosen product. Some are cheap and others expensive.


Ceiling Insulation Eliminates Moisture Problems


aerolite ceiling insulation

Ceiling insulation materials can also eliminate moisture problems like condensation. Additionally, it will assist with weatherproofing your home or building. Reducing heat transfer in and out.

Fibreglass products like aerolite also have excellent soundproofing qualities. Reducing external noises and sound transfer between rooms. The best time to get these ceiling insulation products Johannesburg installed is during construction.

That’s why they have implemented the new SANS 10400-xa building law.

    • The total R-values for ceilings, floors, and roofs gives you small thermal resistance, but it is definitely not adequate to be in compliance with the new energy efficiency law sans 10400-xa
    • Under the sans 10400-xa, R-values needed to be achieved vary depending on your climatic zone


How to Choose the Right Ceiling Insulation


Choosing the right ceiling insulation for your home or building can be a complex process, as there are several factors to consider, including:

  1. Climate: The climate in your area will impact the type of insulation you choose. For example, if you live in a colder climate, you may want to choose a material with a higher R-value to provide better insulation.
  2. Budget: The cost of insulation can vary depending on the type of material you choose and the thickness of the insulation. Consider your budget when choosing a material and make sure to get quotes from multiple insulation contractors to ensure you are getting a fair price.
  3. Air Infiltration: If your home is prone to air infiltration, you may want to consider a material that provides an airtight seal, such as spray foam insulation.
  4. Moisture: If your home is prone to moisture or humidity, choose a material that is resistant to moisture, such as fiberglass.
  5. Environmental Considerations: If you are concerned about the environmental impact of your insulation, consider a natural insulation material, such as wool or cotton, or a recycled material, such as fiberglass insulation.
  6. Noise Reduction: If you are concerned about reducing noise pollution in your home, choose a material with good sound-deadening properties, such as fiberglass or spray foam insulation.
  7. Installation: Consider the ease of installation when choosing a material. Some materials, such as spray foam insulation, require specialized equipment and skills to install, while others, such as fiberglass, are easier to install and can be done by a DIYer.

Ultimately, the right type of ceiling insulation for your home will depend on your specific needs, budget, and preferences. It is recommended that you consult with a professional insulation contractor to determine the best option for your home and ensure that it is installed properly.

Reflective and Bulk Ceiling Insulation


There are two main categories – reflective and bulk insulation.


These two insulations are often combined for an even greater effect. Factorylite and isofoil are examples of bulk ceiling insulation materials combined with reflective foils.

If you are comparing the ability of the product to insulate, you need to look at the product’s r-value. This measures its ability to resist heat flow.

Furthermore, a higher R-value means a better level of insulation from the product. The higher the R-value, the higher the ceiling insulation price will be. Reflective insulation like sisalation and spunsulation reflect radiant heat.

Fiberglass Insulation South Africa


Fiberglass insulation is a type of insulation made from fine glass fibers that are molded into rolls. It is one of the most commonly used types of insulation and is known for its affordability, ease of installation, and high R-value.

Fiberglass insulation is typically made from recycled glass and is available in different thicknesses, or R-values, to suit different insulation needs. It can be installed in walls, attics, and crawl spaces, and is commonly used to insulate residential and commercial buildings.

One of the benefits of fiberglass insulation is its fire-resistant properties. It is also resistant to moisture, mold, and pests, which helps to maintain the overall quality and integrity of the insulation over time.

In addition to its performance benefits, fiberglass insulation is also an environmentally friendly option, as it is made from recycled materials and can be recycled again at the end of its life. Overall, fiberglass insulation is a cost-effective and reliable option for insulating homes and buildings. A professional insulation contractor can help you determine the best type and thickness of fiberglass insulation for your specific needs and ensure that it is installed properly.

Why Are Ceiling Insulation Materials Important?


Most of the heat that is lost usually goes through the ceiling. So it requires more attention than other parts of the house. Insulation must be your primary concern when building or renovating your home. By adding ceiling insulation to your home, it will become more cost-efficient because less heat will escape from the inside while it prevents the heat of the sun from permeating into your home.

Types of Ceiling Insulation


      • There are several types of ceiling insulation that you can choose from.
      • Loose-fill (shredded newspaper is blown or poured into the attic).
      • Spray foam (Polyurethane is sprayed into the attic).
      • Batts or blankets (fibers made of rock wool or fibreglass can be rolled into the attic),
      • Rigid board (may be made with polystyrene, polyurethane, or fibreglass).

Moreover, using fibreglass as home insulation is common. This is because it is easier to handle and work with.

Best Ceiling Insulation Products


Materials used for insulating roofs should be light to prevent the ceiling from collapsing. Fibreglass is a lightweight material.  Furthermore, with fibreglass, you will not have to worry that your ceiling might cave in and cause injury. Fibreglass is strong and durable. Additionally, it can last longer than other materials.  Its also cheaper compared to other insulating materials and easier to mold and form into the right shape and size.

The Cost of Ceiling Insulation


The cost of ceiling insulation in South Africa can vary depending on a number of factors, including the type of fiberglass insulation, the amount needed, and the cost of labour for installation.

It is important to note that the price of fiberglass insulation can also be impacted by factors such as the cost of materials, the availability of contractors in your area, and the cost of labour. In addition, the price of installation can vary greatly depending on the complexity of the project and the amount of insulation required.

To get a more accurate estimate of the cost of ceiling insulation in South Africa, it is recommended that you consult with a professional insulation contractor. They can provide you with a detailed quote that takes into account the specific needs of your home and the cost of materials and labour in your area.

Importance of Professional Installation


Professional installation is important for several reasons:

  1. Proper Insulation Coverage: A professional insulation contractor has the expertise to properly assess your insulation needs and determine the right amount and type of insulation for your home. They will also ensure that the insulation is installed in a way that provides complete coverage, with no gaps or voids, to ensure maximum energy efficiency.
  2. Safety: Installing insulation can be dangerous, especially if you are working in tight spaces or handling insulation materials that can be irritating or harmful if inhaled. Professional insulation contractors have the training and equipment to safely handle and install insulation materials, minimizing the risk of injury to themselves and others.
  3. Warranty Protection: Many insulation manufacturers offer warranties on their products, but these warranties may only be valid if the insulation is installed by a professional. Hiring a professional insulation contractor ensures that your warranty remains valid and that you are protected in the event of a problem with the insulation.
  4. Energy Savings: Properly installed insulation can significantly reduce your energy costs and improve the comfort of your home. A professional insulation contractor will make sure that your insulation is installed correctly, providing you with maximum energy savings and comfort.
  5. Compliance with Building Codes: Building codes can vary depending on the area, but most require that insulation be installed in a way that meets specific standards. A professional insulation contractor is knowledgeable about local building codes and can ensure that your insulation is installed in compliance with all applicable regulations.

In short, professional insulation installation is important because it provides you with the peace of mind that comes from knowing that your insulation is installed correctly, safely, and in compliance with all applicable regulations, providing you with maximum energy savings and comfort.