
Cavitybatt Insulation
Cavitybatt makes Gauteng projects better with less hassle—great sound control, solid energy savings, and safety you can trust. Whether it’s a steel frame office or a timber home, this insulation lasts long and works hard. Roofing Insulation has it ready for you—contact us today to grab the right thickness and boost your build!
[Datasheet] | [SABS Certificate]

Features & Benefits
Cavitybatt Insulation, from Saint-Gobain Isover, delivers big wins for Gauteng’s drywall and frame buildings—here’s why it shines:
- Energy Savings: R-values (1.34-2.68) keep heat in or out, cutting bills.
- Quiet Spaces: Top-notch sound blocking for peaceful rooms.
- Fire Safety: Non-combustible (SANS 10177-5)—won’t catch or spread fire.
- Green Choice: Made with recycled glass, zero ozone or warming harm.
- Light & Strong: Easy to handle, tear-resistant, yet packs a punch.
- Space-Saver: Compressed packs shrink storage and shipping needs.
- No Upkeep: Stays strong without maintenance—set it and forget it.
Perfect for steel or timber frames, Cavitybatt boosts comfort and efficiency in any Gauteng setup!
[Knauf] | [Aerolite] | [Factorylite] | [Cavitybatt]
102mm Cavitybatt Insulation
Cavitybatt 102mm Insulation, by Saint-Gobain Isover, offers top-tier sound and thermal protection for Gauteng’s frame and drywall setups. This glasswool batt, glass tissue-faced, is lightweight yet tough—built to last.
Technical Specs
- Thickness: 102mm
- Length: 1,200mm (1.2m)
- Width: 600mm (0.6m)
- Coverage: 14.4m² (20/pack)
- R-value: 2.68
- Density: 14 kg/m³
- Fire Rating: Non-combustible (SANS 10177-5, A/A1)
- k-value: 0.038 W/m·K
63mm Cavitybatt Insulation
Cavitybatt 63mm Insulation brings stronger performance to Gauteng’s drywall and frame buildings. Isover’s non-combustible glasswool, with a glass tissue face, is lightweight and rigid—perfect for modern construction.
Technical Specs
- Thickness: 63mm
- Length: 1,200mm (1.2m)
- Width: 600mm (0.6m)
- Coverage: 21.6m² (30/pack)
- R-value: 1.66
- Density: 14 kg/m³
- Fire Rating: Non-combustible (SANS 10177-5, A/A1)
- k-value: 0.038 W/m·K
51mm Cavitybatt Insulation
Cavitybatt 51mm Insulation, from Saint-Gobain Isover, is perfect for Gauteng’s steel and timber frame buildings needing sound and heat control. This lightweight glasswool, faced with glass tissue for easy handling, fits snugly in drywall systems. Roofing Insulation supplies it in Johannesburg, Centurion, and Pretoria—ideal for smaller cavity spaces!
Technical Specs
- Thickness: 51mm
- Length: 1,200mm (1.2m)
- Width: 600mm (0.6m)
- Coverage: 28.8m² (40/pack)
- R-value: 1.34
- Density: 14 kg/m³
- Fire Rating: Non-combustible (SANS 10177-5, A/A1)
- k-value: 0.038 W/m·K
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