Thermal Insulation improves indoor temperature by 5-8 degrees in summer and winter. For this reason, Ceiling Insulation is compulsory for all new homes built as of January 2013. Following the new SANS legislation in South Africa. As a result of the energy crisis and to help save our environment. 


Ceiling Insulation is one of the best investments for your home. Installing Aerolite Insulation will reduce the heat flow in and out of your home. In summer, these insulation products will significantly improve your home’s temperature.

Thermal Insulation reduces the heat flow from the roof through the ceiling into your home in summer. In fact, in summer, the roof area of your home is like an OVEN. The heat is like a pressure cooker; the easiest way out is through the thin rhino board ceiling and into your home.

Installing Ceiling Insulation improves indoor temperature substantially. We create a barrier that reduces the heat flow by up to 80%. As a result, ceiling insulation reduces heat flow up or down. Therefore, Insulation will eventually drop your home’s internal temperature. Thus, ensuring a much cooler 4 to 8 degrees in some homes reduces the need for heating and cooling.

What is Ceiling Insulation?

Ceiling Insulation is a thermal Insulation blanket laid directly on the ceiling to prevent heat loss and gain in the house. All home thermal insulation products must be SANS compliant and achieve a specified R-value for different regions.

How Much Is Insulation for Ceilings

The price of thermal insulation varies depending on the type of insulation and thickness. We must insulate all new homes with SANS-compliant insulation as of January 2013. Visit our Insulation Price List Page for all the Ceiling Insulation Prices.

Improve Aircon Performance With Compliant Insulation For Ceilings

Using air conditioners will dramatically cut down your energy bill if you are using air conditioners. The thermostat will kick in far less frequently than before. In this case, you can run on a lower setting, and your air conditioner will not have to run continuously. Need Insulation We Have A Wide Range Of Products To Suit Your Budget.

Correct Insulation Thickness 

135mm Ceiling Insulation is specified for most of South Africa. The R-value required is 3.70. A home insulated with the proper thickness insulation will be fantastic in summer and warm in winter. Correctly insulated homes will have an improvement of 4-8 degrees. Make sure to install the correct R-value for your region. Insulation also increases the value of your property.

Many of the new property buyers on the market know about energy-saving and the environment. It is far easier to sell an insulated home with SSANS-compliant thermal Insulation. A well-insulated home will recover the Insulation cost in approximately 2 to 3 years.

Ceiling Insulation products

There are several Ceiling Insulation products on the market in South Africa. However, all legitimate Insulation products must be SABS approved and SANS compliant. Therefore, installing Insulation products that are not SANS compliant in South Africa is pointless.

TIASA must test all Insulation for the fire rating. We must install thermal Insulation for homes according to legislation. Importantly un-tested Ceiling insulation is a risk. The rejection of the insurance claim is highly likely. 

There are a suitable few Types of Insulation for Ceilings; however, we only install the most effective insulation products. All Insulation products that are SABS tested and Tiasa approved will have the correct R-value for your region. Additionally, they will have a specified fire rating.

Think Pink Aerolite Insulation

Think Pink Aerolite Ceiling Insulation
Think Pink Aerolite Ceiling Insulation

Aerolite glass-wool Insulation is one of the highest-grade thermal insulation products on the market. For this reason and the Aerolite fire rating, the product is specified for high-volume traffic areas like hospitals, schools and shopping malls. Think Pink Aerolite with TEL Fiberizing technology for advanced performance.

Aerolite has one of the highest thermal insulation properties available. This ceiling insulation will improve indoor temperature by 4 – 8 degrees as a direct result.

Knauf Ecose Insulation 

Knauf Ecose insulation for ceilings
Knauf Ecose Ceiling insulation

The Knauf Ecose Insulation is manufactured in Germany. Ecose Thermal Insulation is an earth-wool product. As a result, Ecose Ceiling Insulation is specified for Hospitals, schools and public areas. Additionally, Ecose Insulation is also Formaldehyde Free.

Additionally, Ecose is excellent for temperature control in the home and soundproofing. For example, we are improving indoor temperature by 4-8 degrees.

Isotherm Insulation

Isotherm Insulation
Isotherm Insulation


Isotherm Insulation is a polyester insulation product and is no longer manufactured with the SABS mark and is regarded by many as their Ceiling Insulation of choice.

This Insulation is produced from PET plastic bottle pollution, primarily because Isotherm Insulation is DUST FREE & ALLERGY FREE. Consequently, Isotherm is Eco-friendly ceiling insulation.

Ceiling Insulation Installers


Installing Insulation in your home with professional Ceiling Insulation Installers will save you money and give your home years of energy-saving benefits. Incorrectly installed roofing insulation is as good as wasting money. 

Unless you Install the Insulation 100% correctly, it will be a waste of money. For DIY insulation installers, we give telephonic support to help install correctly.

Insulation installers should be highly qualified to work in the roof space. One thing is taking a walk in your roof space over the centre section of the roof. However, it can be hazardous when one starts lifting wires, getting into little corners dodging water pipes, etc.

For example, a water pipe (copper or PVC) can be damaged with the slightest pressure, resulting in thousands of Rand worth of damage.

Ensure the Insulation Contractors you employ for this task are adequately covered by insurance so that you don’t end up paying for the damage.

A well-insulated home will certainly give years of comfort and energy saving. VERY IMPORTANT: All possible electrical wires must be above the Insulation.


VERY IMPORTANT: All down-lights must have breathing holes, and all transformers must be above the Insulation. VERY IMPORTANT: All chimney flues must have at least a 150mm gap around the chimney flue. Also, note that all extractor fans must have a sufficient gap between the fan and Insulation.

How to Install Insulation in the Ceiling 

How to Install Ceiling Insulation?:  Is a Guide for those that would like to tackle this as a DIY option. It is important to remember We must install all insulation products 100% correctly to get the best result. Ceiling Insulation not installed correctly is wasted if not done correctly.

How to Install Isotherm Ceiling Insulation for the DIY guy? This guide will give you more information on tackling the task ahead.how to install ceiling insulation

How to Install Aerolite Ceiling Insulation in the ceiling? Think Pink Aerolite is a little more challenging to install as a DIY option as it is fibreglass and will make you itch when installing. Also, there will be a bit of wastage with the cutting etc. This guide will give you more information on how to tackle this application.

For more info on installing ceiling insulation, you are welcome to call Peter directly. For information on the Installation, if the product is bought from Roof Insulation Cape. Our pricing on Installations and supply only is unmatched as we purchase all products in huge volumes.

The Guide How to Install Ceiling Insulation covers the correct thickness insulation for your residing regions.

Western Cape, including the Karoo region, Mosselbay, Hermanus and all other Western Cape regions and Johannesburg, Pretoria, Midrand, Rustenburg, must have insulation achieving an R-value of 3.70. The 135mm Aerolite Insulation, 145mm Isotherm and the 135mm Knauf Ecose Insulation achieve the specified r-value.