The Isotherm is one of the best Roof Insulation products on the market. In fact, Isotherm has a 30-year manufacturer guarantee, and the insulation will outlast most homes. Should you want to improve the temperature in your home in summer or winter, this is the right product for you. In fact, this is polyester insulation that is dust free and allergy free. Therefore installing Isotherm Thermal insulation will save energy on heating and cooling.

Firstly, this insulation will improve temperature in the home by 4-8 DegC.

Secondly, this insulation will save energy on heating and cooling.


Dust free and Allergy-free Polyester Insulation. Safe to touch smooth and soft.

Eco Friendly

Regarded as the most Eco-friendly insulation product on the market. In fact, manufactured from recycled pollution PET plastic bottles and is 100% recyclable.

Manufacturer Guarantee

30 year manufacturer guarantee.

Warm in Winter, Cool in Summer

Reduce heat loss by as much as 90%. Improving internal temperature by 4 to 8 degrees C.

Acoustic Properties

Reduce noise levels, excellent acoustic properties.

No Health Risks

In fact, there are no associated health risks with polyester insulation.

Fire Tested

The fire tested to classification B/B1/2 for Isotherm Insulation for use in both residential and commercial applications.

Energy Saving

Isotherm will save you money on electricity and will pay for itself in a few years.

maintenance free isotherm

Maintenance Free Insulation

ISOTHERM Thermal Insulation will outlast most homes with a 30-year manufacturer guarantee. In fact, this insulation will last much longer than 30 years.

When laid correctly insulation needs no maintenance.

Dust free and Allergy Free Insulation.

Cool in Summer and Warm in Winter.

Reduce heat flow in or out of the home by as much as 90%.



SANS Compliant

In fact, all roof insulation must be SANS compliant as of January 2012. As a result, all new homes must be insulated with SANS compliant insulation.

The Western Cape, as well as Gauteng, must install the 145mm Isotherm to achieve the R-value 3.70.

The new SANS legislation does not affect existing homes at this point. In fact, right now all new dwellings only must be SANS compliant. If homeowners need to extend the house, plans will be drawn up with the new legislation in mind.


Isotherm installers

Installing Isotherm

Cover the entire roof space leaving no gaps. Make sure that all Roof Insulation is laid flat on the ceiling between the main beams.

All downlights must have a breathing hole cut out above. In fact, downlights can reach temperatures of up to 270 degrees C.

Leave at least a 150mm to 200mm gap around chimney flues.

Do not cover the eaves or block the airflow in the roof space.

isotherm sabs approved


manufactured to the highest standards.

SABS approved and fire tested.

There is a product for each of the regions as per the new SANS legislation.

The Western Cape and Gauteng must install insulation achieving an R-value of 3.70.

Achieved with the 145mm ISOTHERM.


beat the energy crisis with isotherm

Beat the Energy Crisis With Isotherm Thermal Insulation

In fact, this insulation will pay for itself in 3 years. In homes that are running Air conditioners in summer and heating in winter.

The fact that Roof Insulation improves the temperature in the home by 4 to 8 degrees making the house cooler in summer and warmer in winter.

In fact, buildings consume as much as 40% of our energy.

With Global Warming and Climate Change making an impact on weather patterns, Worldwide Roof Insulation products are compulsory in all first world countries.

Reducing our carbon footprint is high on the list of problems to solve with all first world countries.

In fact, we need to plant more trees and reduce the amount of electricity that we use to slow down the rate of global warming.

10 Things To Consider When Buying Insulation

Is the insulation product SABS approved.

What is the fire rating of the insulation? The higher, the better.

Be sure comprehensive insurance covers your insulation installer?

Make sure that the installer is a recognised insulation installer.

What is the lifespan of the insulation?

Does the installer offer you SANS compliant insulation for your roof?

Make sure the insulation is a roll type insulation and not dust like insulation that can blow around in the roof.

Purchasing insulation from a proper insulation company will be cheaper.

Is the workmanship guaranteed?

Finally, are the workers fully supervised at all times.


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