Isotherm Polyester Insulation
50mm Isotherm Polyester Insulation
50mm Isotherm is a soft polyester insulation roll made from recycled PET fibres. It has a product R-value of 0.79, covers 12m² per roll and is suited to topping up existing insulation or insulating internal spaces.
R-Value
resistance (R-value)
Product Overview
50mm Isotherm is a soft polyester insulation roll manufactured from recycled PET fibres. The current manufacturer specification lists a product R-value of 0.79m²·K/W and a reference total R-value of 1.19m²·K/W including roof and ceiling materials.
The product sold by Home Insulations is 1.2m wide and 10m long, covering 12m² per roll. It has a nominal density of 8.5kg/m³ and is soft and non-irritant to handle.
Key Benefits
- ✓ R0.79 product thermal resistance
- ✓ R1.19 manufacturer reference total R-value
- ✓ 12m² coverage per roll
- ✓ 1.2m × 10m roll size
- ✓ Manufactured from recycled PET polyester
- ✓ Soft and non-irritant to handle
- ✓ B/B1/2 fire classification
- ✓ 8.5kg/m³ nominal density
Typical Application
Commonly used where a thinner polyester insulation layer is required, including suitable ceiling top-ups and selected internal applications.
Technical Product Data
50mm Isotherm Technical Specifications
Technical specifications for the 1.2m-wide 50mm Isotherm polyester insulation roll supplied by Home Insulations.
| Brand | Isotherm |
|---|---|
| Product type | Insulation for Ceilings |
| Material | Polyester Insulation |
| Thickness | 50mm |
| Roll width | 1.2m |
| Roll length | 10m |
| Nominal roll size | 1.2m × 10m |
| Coverage per roll | 12m² |
| Product R-value | 0.79m²·K/W |
| Manufacturer reference total R-value | 1.19m²·K/W incl. roof and ceiling materials |
| Nominal density | 8.5kg/m³ |
| Material composition | Recycled PET polyester insulation |
| Fire classification | B/B1/2 |
| SABS approved | No |
| Handling | Soft, non-allergenic and non-irritant polyester |
| Climatic zone | No climatic zone assigned to the 50mm product in the manufacturer table |
Insulation Applications
Where Can 50mm Isotherm Be Used?
50mm Isotherm provides a lighter insulation layer and can be used where the complete insulation build-up delivers the required thermal performance.
Insulation Top-Ups
Add an additional polyester layer over suitable existing insulation without unnecessarily compressing either layer.
View Insulation for Ceilings →
Internal Applications
A soft polyester insulation layer for suitable internal spaces where a 50mm product is appropriate.
View Insulation Applications →
Ceiling Applications
Can form part of a ceiling insulation system where the complete installed R-value meets the project requirement.
View Ceiling Insulation →Professional Installation
Installing 50mm Isotherm
Install the polyester blanket continuously and without unnecessary compression so the insulation retains its intended thickness.
Need Professional Installation?
Home Insulations supplies and professionally installs Isotherm polyester insulation in our Gauteng service areas.
Installation ServicesManufacturer Documentation
Isotherm Technical Specifications
View the Isotherm manufacturer technical specification table for thermal performance, density, product thicknesses and other technical information.
Isotherm Product Specifications
Manufacturer technical information for the Isotherm polyester insulation range.
50mm Isotherm Information
Frequently Asked Questions
The current manufacturer specification lists a product R-value of 0.79m²·K/W.
The manufacturer table shows a reference total R-value of 1.19m²·K/W including roof and ceiling materials.
The 50mm Isotherm roll sold by Home Insulations is 1.2m wide and 10m long.
One 1.2m × 10m roll covers 12m².
Isotherm is polyester insulation manufactured using recycled PET material.
Isotherm manufacturer information lists a B/B1/2 fire classification.
No. 50mm Isotherm does not carry SABS approval.
Need 50mm Isotherm Supplied or Installed?
Get help calculating quantities, confirming current pricing or arranging professional installation.