135mm Isotherm (5000mm x 1200mm)
- Thickness: 135mm Isotherm
- Length: 5m
- Width: 1.2m
- Area Cover: 6m2
- R-value: 3.14
- Installed R-Value: 3.54
- Weight: 10.15kg
- SANS compliant
- Not SABS approved
Minimum Requirement
The 135mm isotherm insulation is the minimum requirement for Johannesburg, Pretoria and Western Cape.
Although we do recommend using the 145mm Isotherm for home use. The new sans building laws are in place for energy efficiency. We have to install a certain thickness depending on your climatic region for maximum energy efficiency.
R-Value and Density
The R-value and density of an insulation product are important. Check with your local installer which thickness you should be installing. The isotherm 135mm price is slightly different between the two widths.
135mm Isotherm
The isotherm 135mm price per m2 is only slightly cheaper than their top of the range product. Most homeowners see the difference in price is minimal and opt for the best. The density of a product helps for thermal and acoustic properties.
There are many advantages to using green recycled polyester. For example, it’s dust and allergy-free. There are no loose fibres of chemicals in the product. Another great advantage is that its easy to work with. Installers like installing the product over traditional insulation products. Not only the installers but also homeowners. When doing work in your roof, there is no need for any protective gear.