R5.0 HP Bradford Gold Ceiling Batts 240mm
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R5.0 HP Bradford Gold is a high density non-combustible glasswool ceiling batt at 240 mm. HP means the glasswool is packed denser, which is how it reaches R5.0 without the batt getting any deeper than it has to.
What HP is for
Two situations. Either the build-up is tight and you need more R-value out of the depth available, or the climate zone is demanding enough that the standard range runs out. If neither applies, R4.1 standard Gold at 215 mm covers the same ceiling for less. R-value by Australian climate zone covers how the requirement is set in the first place.
Sizes
Eight batts per pack, 1160 mm long. The 430 mm width covers 3.99 m² and the 580 mm covers 5.38 m². Coverage per pack keeps falling as the R-value climbs, so budget for more packs than a standard R3.5 job would need over the same ceiling.
On site
Check the depth before you order. At 240 mm the batt needs genuine clearance, especially near the eaves. Friction fit between the joists, butt the ends, no gaps, and do not compress it, because a compressed high density batt gives up the very thing you paid for. Keep the clearances downlights and flues require.
Thermal rating declared to AS/NZS 4859.1 by the manufacturer. Next steps up are R6.0 HP and R7.0 HP. Sizes and CSR product codes are in the table below.
Technical data
Bradford technical data sheet (PDF)Sizes stocked
| Option | CSR product code | Coverage | Sold per |
|---|---|---|---|
| 1160 x 430 mm (8 per pack, 3.99 m²) | 467911 | 3.99 m² | pack |
| 1160 x 580 mm (8 per pack, 5.38 m²) | 467912 | 5.38 m² | pack |
Product summary
| Thermal & acoustic comfort | Improves indoor temperatures year-round while helping reduce external noise |
|---|---|
| Fire safety | Non-combustible glasswool for added peace of mind |
| High-performance option | Higher-density HP batts lift R-values for tight build-ups and tough climate zones |
| Easy to install | Batts cut cleanly, sit neatly and stay in place for a consistent finish |
Thermal
| R-value range | R5.0+ |
|---|---|
| Thermal rating | Declared to AS/NZS 4859.1 by the manufacturer |
Sizes and product codes from the CSR Bradford price catalogue, 28 May 2026.
Common questions
What sizes are stocked and how much does each one cover?
2 options are stocked, running from 1160 x 430 mm (8 per pack, 3.99 m²) to 1160 x 580 mm (8 per pack, 5.38 m²). The table above lists each one with the coverage or quantity you get.
What thermal performance does it have?
R-value range: R5.0+. Thermal rating: Declared to AS/NZS 4859.1 by the manufacturer.
How does it perform in a fire?
Fire safety: Non-combustible glasswool for added peace of mind.
How is it installed?
Easy to install: Batts cut cleanly, sit neatly and stay in place for a consistent finish.
Cannot see your question? Ask our team and we will get you an answer.
Sizes and product codes from the CSR Bradford price catalogue, 28 May 2026.