ALUBUBBLE RADIANT BARRIER
Alububble White Roofing Insulation
Alububble White is a 4mm radiant barrier with a reflective foil upper surface and a clean white underside. A standard roll has a nominal area of 50m² and approximately 46m² effective coverage with a 100mm overlap.
Air Gaps
air gaps
Product Overview
Alububble White is a 4mm bubble foil radiant barrier with a reflective foil top and white underside. It is specified for suitable over-purlin roof applications, including warehouses and factories.
A standard roll is 1.25m wide and provides 50m² nominal coverage, or approximately 46m² effective coverage with the specified 100mm overlap. The published R1.103 result was measured with 40mm and 60mm air gaps; performance depends on the roof assembly.
Key Benefits
- ✓Reflective foil surface
- ✓Clean white underside
- ✓46m² effective coverage per roll
- ✓Low emissivity below 0.05
- ✓Flexible bubble foil construction
- ✓B/B1/2/H fire classification
- ✓Suitable for specified over-purlin roofs
- ✓Available for supply by the roll
Typical Application
Specified over-purlin roof systems in warehouses and factories, with the white face visible from below.
Technical Product Data
Alububble White Technical Specifications
Manufacturer figures for the 4mm white underside, foil top Alububble roll. Tested thermal resistance includes the stated air gaps.
| Product range | Alububble Insulation |
|---|---|
| Product type | Roofing Insulation |
| Material | Radiant Barrier |
| Nominal thickness | 4mm |
| Standard roll width | 1.25m |
| Standard roll length | Over 40m |
| Nominal roll area | 50m² |
| Effective coverage | 46m² with 100mm overlap |
| Tested R-value | R1.103m²·K/W with specified air gaps |
| Test air gaps | 40mm above and 60mm below |
| Mass per unit area | 270g/m² |
| Finished roll weight | 13.5kg |
| Emissivity | Less than 0.05 |
| Facing | Reflective foil top; white underside |
| Fire classification | B/B1/2/H (SP & USP) |
| Product standard | Conforms to SANS 1381 Part 4 |
| Typical application | Specified warehouse and factory over-purlin roofs |
Roof Insulation Applications
Where Is Alububble White Used?
The manufacturer recommends this product for warehouse and factory over-purlin applications. Confirm the support, facing and air-gap arrangement in the project's roof specification.
Warehouse Roofs
A reflective barrier option for suitable warehouse over-purlin roof designs.
View Roof Insulation →
Factory Roofs
Used in specified factory roof systems where a foil top and white underside are required.
View Alububble Range →
Visible Roof Undersides
The white underside offers a lighter finish below an appropriately designed roof assembly.
View Radiant Barriers →Manufacturer Installation Notes
Alububble White Installation Guidance
These points summarise the supplied product sheet for industrial over-purlin applications. The roofing contractor must follow the full manufacturer's instructions and roof design.
Need Alububble White Rolls?
Tell us your roof area and required roll quantity. We can help calculate coverage and quote for the supply of Alububble White.
Request a Supply QuoteProduct Documentation
Alububble Data Sheet & Installation Guidelines
View the Alububble data sheet and installation guidelines below. Both PDFs are available directly from Home Insulations.
Alububble Data Sheet
View the Alububble data sheet and technical specifications.
Alububble Installation Guidelines
View the installation guidelines for Alububble roof insulation.
Alububble White Information
Frequently Asked Questions
The manufacturer reports R1.103m²·K/W from a test with a 40mm air gap above and a 60mm air gap below the product. It is not the R-value of the 4mm material by itself.
One standard roll has a nominal area of 50m². Effective coverage is 46m² when allowing for a 100mm overlap. Allow separately for project cuts and waste.
This product has a reflective foil top and a white underside. The white side faces down in the specified roof arrangement.
No. The manufacturer's datasheet lists a B/B1/2/H fire classification. Do not treat that classification as an A1 non-combustible rating.
The supplied datasheet recommends warehouse and factory over-purlin applications. Suitability for a particular roof depends on its specification and installation design.
No. We supply Alububble White rolls. Arrange installation through your roofing contractor in accordance with the manufacturer's guidance.
Need Alububble White for Your Roof?
Tell us your roof area and the number of rolls you need. We can help calculate coverage, confirm current pricing and stock, and quote for supply with collection or delivery options.