Isotherm Polyester Insulation
75mm Isotherm Polyester Insulation
75mm Isotherm is a soft polyester insulation roll manufactured from recycled PET fibres. It provides a product R-value of 1.18, covers 9.6m² per roll and is suitable for topping up existing insulation.
R-Value
(R-value)
Product Overview
75mm Isotherm is a polyester insulation roll manufactured from recycled PET fibres. It provides a product R-value of 1.18m²·K/W for insulation for ceilings, roof spaces and suitable wall applications.
The roll measures 1.2m × 8.0m and covers 9.6m². It has a nominal density of 8.5kg/m³ and offers soft, non-irritant handling without loose glass fibres.
Key Benefits
- ✓ R1.18 product thermal resistance
- ✓ 9.6m² coverage per roll
- ✓ Manufactured from recycled PET
- ✓ Soft and non-irritant to handle
- ✓ B/B1/2 fire classification
- ✓ 8.5kg/m³ nominal density
- ✓ Formaldehyde-free polyester fibres
- ✓ Flexible and easy to cut to fit
Typical Application
Suitable for insulated ceilings, roof spaces and selected wall systems.
Technical Product Data
75mm Isotherm Technical Specifications
Dimensions, material composition, thermal performance and fire classification information for 75mm Isotherm polyester insulation.
| Brand | Isotherm |
|---|---|
| Product type | Ceiling Insulation |
| Material | Polyester Insulation |
| Thickness | 75mm |
| Nominal roll size | 1.2m (W) × 8.0m (L) |
| Coverage per roll | 9.60m² |
| Product R-value | 1.18m²·K/W |
| Total R-value | 1.58m²·K/W including roof and ceiling materials |
| Nominal density | 8.5kg/m³ |
| Material composition | Thermally bonded recycled PET polyester |
| Moisture absorption | <2% |
| Fire classification | B/B1/2 polyester classification |
| SABS approved | No |
| Handling | Soft, non-irritant and free from loose glass fibres |
| Applications | Ceilings, roof spaces and suitable wall applications |
Insulation Applications
Where Can Isotherm Insulation Be Used?
75mm Isotherm can be used as thermal insulation for ceilings, roof spaces and selected wall systems where soft, non-irritant polyester insulation is preferred.
Ceiling Insulation
Installed above ceiling boards to reduce heat transfer through insulated ceilings.
View Ceiling Insulation →
Roof Insulation
Suitable for roof spaces where the polyester blanket is installed with continuous coverage.
View Roof Insulation →
Wall Insulation
Flexible polyester insulation suitable for selected internal partitions and wall systems.
View Wall Insulation →Professional Installation
Installing 75mm Isotherm
Correct installation allows the polyester blanket to retain its intended thickness and provide continuous thermal coverage without gaps.
Need Professional Installation?
Home Insulations supplies and professionally installs Isotherm polyester insulation throughout our Gauteng service areas.
Installation ServicesProduct Documentation
Isotherm Product Brochure
Download the Isotherm manufacturer brochure containing product dimensions, thermal performance, available thicknesses and application information.
Isotherm Insulation Brochure
Manufacturer product information covering Isotherm polyester insulation.
75mm Isotherm Information
Frequently Asked Questions
75mm Isotherm provides a published product R-value of 1.18m²·K/W.
One roll measures 1.2m wide by 8.0m long and covers approximately 9.6m².
Isotherm is thermally bonded polyester manufactured from recycled PET fibres.
Isotherm uses the B/B1/2 polyester fire classification.
No. Isotherm does not currently carry SABS approval.
Yes. Isotherm is soft, non-irritant and does not contain loose glass fibres.
Need 75mm Isotherm Supplied or Installed?
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