R2.0 Pink Wall Batts
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R2.0 Pink Wall Batts are 90 mm FBS-1 bio-soluble glasswool batts from Fletcher, sized for a standard residential stud wall.
Big packs, which matters on a house lot
24 batts to a pack in both widths at 1160 mm long. The 430 mm covers 11.97 m² per pack and the 580 mm covers 16.15 m². Those are among the largest wall pack coverages we stock, so a whole house takes fewer packs and fewer trips than most alternatives at the same R-value.
Fire and bushfire
Non-combustible to AS 1530.1 and rated BAL Low through to Flame Zone under AS 3959. It meets NCC 2022 clause C2D10(1) for non-combustibility and the thermal rating complies with AS/NZS 4859.1 per Volume 1 J4D3(1) and Housing Provisions 3.12.2(1).
If you need more from the same wall
A 90 mm stud sets the depth, so the only way up is a denser batt. R2.5HD Pink reaches R2.5 in the same 90 mm cavity.
On site
Friction fits between standard wall studs and holds without fixings. Let the batts recover to full thickness before installing, and do not compress them into a narrower bay. The batt should touch the frame on all four sides.
Full figures are in the table below.
Technical data
Fletcher technical data sheet (PDF)Sizes stocked
| Size (L x W x thickness) | Batts per pack | Pack size | Product code (old / new) |
|---|---|---|---|
| 1160 x 430 x 90 mm | 24 | 11.97 m² | 901217 / 4006093 |
| 1160 x 580 x 90 mm | 24 | 16.15 m² | 901218 / 4006094 |
Thermal
| Material R-value | R2.0 m²K/W |
|---|---|
| Nominal thickness | 90 mm |
| Maximum service temperature | 340 °C (ASTM C411/C447) |
Fire
| Combustibility | Non-combustible (AS1530.1) |
|---|---|
| Ignitability index | 0 |
| Spread of flame index | 0 |
| Heat evolved index | 0 |
| Smoke developed index | 0 to 1 |
| Bushfire areas | BAL Low through to Flame Zone (AS3959) |
Early fire hazard indices tested to AS/NZS 1530.3.
Material and handling
| Composition | FBS-1 bio-soluble glasswool |
|---|---|
| Moisture absorption | Under 0.2% by volume |
| Fungi resistance | Pass, no growth (ASTM C1338-14) |
| Recycled content | Australian made using up to 80% recycled content |
| Certification | CodeMark certified |
Compliance
| Thermal rating | Complies with AS/NZS 4859.1 |
|---|---|
| NCC 2022 | AS/NZS 4859.1 per Volume 1 J4D3(1) and ABCB Housing Provisions 3.12.2(1) |
| NCC 2022 non-combustibility | Non-combustible per AS/NZS 1530.1, meets clause C2D10(1) |
Compliance applies when the product is correctly specified and installed.
Fitting notes
Friction fits between standard wall studs, so it holds without fixings. Let the batts recover to full thickness before installing and do not compress them into the cavity, because a squashed batt delivers less than its rated R-value. Keep the product dry at all times.
Figures are taken from the Fletcher Insulation technical data sheet for Pink Batts Wall, Revision 12, issued 1 February 2025. The full manufacturer document is linked above. Fletcher can change specifications without notice, so check the current sheet before specifying on a job.
Common questions
What sizes are stocked and how much does each one cover?
2 options are stocked, running from 1160 x 430 x 90 mm to 1160 x 580 x 90 mm. The table above lists each one with the coverage or quantity you get.
What thermal performance does it have?
Material R-value: R2.0 m²K/W. Maximum service temperature: 340 °C (ASTM C411/C447). Thermal rating: Complies with AS/NZS 4859.1.
How does it perform in a fire?
Combustibility: Non-combustible (AS1530.1). Ignitability index: 0. Spread of flame index: 0. Heat evolved index: 0. Smoke developed index: 0 to 1. NCC 2022 non-combustibility: Non-combustible per AS/NZS 1530.1, meets clause C2D10(1).
Can it be used in a bushfire area?
Bushfire areas: BAL Low through to Flame Zone (AS3959).
How does it handle moisture?
Moisture absorption: Under 0.2% by volume. Fungi resistance: Pass, no growth (ASTM C1338-14).
Does it meet Australian standards?
Certification: CodeMark certified. NCC 2022: AS/NZS 4859.1 per Volume 1 J4D3(1) and ABCB Housing Provisions 3.12.2(1).
What is it made of?
Composition: FBS-1 bio-soluble glasswool.
How is it installed?
Friction fits between standard wall studs, so it holds without fixings. Let the batts recover to full thickness before installing and do not compress them into the cavity, because a squashed batt delivers less than its rated R-value. Keep the product dry at all times.
Cannot see your question? Ask our team and we will get you an answer.
Figures are taken from the Fletcher Insulation technical data sheet for Pink Batts Wall, Revision 12, issued 1 February 2025. The full manufacturer document is linked above. Fletcher can change specifications without notice, so check the current sheet before specifying on a job.