Polyester Insulation for Ceilings
40mm Fabufill Polyester Insulation
40mm Fabufill is SABS-approved polyester insulation manufactured from recycled PET fibres. It provides an R-value of 0.77, covers 12m² per roll and is designed mainly for topping up existing insulation or fitting into restricted roof spaces.
R-Value
(R-value)
SANS 428
approved
Product Overview
40mm Fabufill is the thinnest Fabufill polyester insulation option. It is designed primarily for topping up suitable existing insulation and for applications where the available ceiling or roof space is restricted. Its datasheet R-value range is 0.77–0.96m²·K/W.
The 1.2m × 10.0m roll covers 12m². It has an approximate density of 10.1kg/m³ and is manufactured from 80% locally sourced recycled PET combined with 20% virgin low-melt fibre.
Key Benefits
- ✓ R0.77–R0.96 thermal resistance
- ✓ 12m² coverage per roll
- ✓ Ideal for insulation top-ups
- ✓ Suitable for restricted roof spaces
- ✓ Made primarily from recycled PET
- ✓ Soft, non-allergenic and non-irritant
- ✓ B/B1/2/H fire classification
- ✓ SABS Mark approved insulation
Typical Application
Commonly installed as an additional insulation layer or in roof spaces with limited clearance.
Technical Product Data
40mm Fabufill Technical Specifications
Product dimensions, composition, thermal performance, fire classification and accreditation information for 40mm Fabufill polyester insulation.
| Brand | Platinum Fibre Fabufill |
|---|---|
| Product type | Ceiling Insulation |
| Material | Polyester Insulation |
| Thickness | Minimum 40mm after loft recovery |
| Nominal roll size | 1.2m (W) × 10.0m (L) |
| Coverage per roll | 12.00m² |
| R-value | 0.77–0.96m²·K/W |
| Density | Approximately 10.1kg/m³ |
| Product weight | Approximately 400g/m² |
| Fibre composition | 80% recycled PET and 20% virgin low-melt fibre |
| Moisture absorption | 0.78% |
| Fire classification | B/B1/2/H under SANS 428 |
| SABS standard | SANS 1381-1:2013 |
| SABS permit number | 9486/15037 |
| Applications | Insulation top-ups, ceilings, roof spaces, partitions and suitable walls |
Insulation Applications
Where Can 40mm Fabufill Be Used?
40mm Fabufill is primarily intended for topping up existing insulation, restricted ceiling spaces and selected roof, partition and wall applications.
Ceiling Insulation
Suitable as a top-up layer above ceiling boards to improve existing insulation.
View Ceiling Insulation →
Restricted Roof Spaces
Useful where limited clearance prevents the installation of a thicker insulation roll.
View Roof Insulation →
Partitions and Walls
Flexible polyester insulation suitable for selected partitions and internal wall systems.
View Wall Insulation →Professional Installation
Installing 40mm Fabufill
Correct installation allows the compressed polyester blanket to recover to its intended thickness and provide continuous thermal coverage.
Need Professional Installation?
Home Insulations supplies and professionally installs Fabufill polyester insulation throughout our Gauteng service areas.
Installation ServicesProduct Documentation
40mm Fabufill Technical Datasheet
Download the 40mm Fabufill datasheet containing product dimensions, composition, thermal performance, fire classification and installation information.
40mm Fabufill Datasheet
Technical product information for 40mm Fabufill polyester insulation.
40mm Fabufill Information
Frequently Asked Questions
The 40mm Fabufill datasheet specifies an R-value range of approximately 0.77–0.96m²·K/W.
One 40mm Fabufill roll measures 1.2m wide by 10.0m long and covers approximately 12m².
Yes. The 40mm thickness is primarily suited to topping up suitable existing insulation or applications where the available installation space is limited.
Fabufill is thermally bonded polyester insulation made from approximately 80% recycled PET and 20% virgin low-melt fibre.
40mm Fabufill has a B/B1/2/H fire classification determined according to SANS 428.
Yes. Fabufill carries the SABS Mark and is approved to SANS 1381-1:2013 for fibre thermal insulation mats.
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